A round number, and a fast one
Two details define the entry. The first is the total: exactly 20,000 digits, a figure that suggests a target set in advance and reached rather than an attempt that ran until it failed. The second is the duration, two hours and fifty-seven minutes, which works out at roughly 113 digits a minute held for almost three hours.
That rate is the fastest recorded among the list's leading attempts. Luca Vadacca's 22,801 digits are listed at seven hours, around fifty-four a minute. Paul Hearding's 30,448 are listed at twenty-seven hours and forty-three minutes, around eighteen a minute. The list does not state whether the times were measured on comparable terms, so the comparison is offered as the table presents it.
A continental record
The note attached to the entry reads South American Record 2021. The Pi World Ranking List uses that column to mark results that stand as national or continental bests, and it applies the same convention to Vadacca's Italian record and Hearding's North American one.
A continental marker is a stronger claim than a national one and says something about the geography of the discipline. The table's leading entries come overwhelmingly from India, China and Japan, with a scattering from Europe and North America. Vergara Vial's 20,000 digits stand as the benchmark for an entire continent.
Where it sits on the list
Sixteenth place is a long way beneath the summit, and the summit is worth stating to give the position meaning. Suresh Kumar Sharma of India leads with 70,030 digits from 2015, Rajveer Meena of India follows with 70,000 from the same year, and Chao Lu of China holds third with 67,890 from 2005.
The upper half of the table is stubborn. Hiroyuki Goto's 42,195 digits date from 1995, Hideaki Tomoyori's 40,000 from 1987 and Rajan Mahadevan's 31,811 from 1981. Against a list where results from the 1980s still hold top-ten places, an entry from 2021 is a recent arrival.
What is documented — and what is not
The firm facts are the digit count of 20,000, the date of 19 March 2021, the listed duration of two hours and fifty-seven minutes, the country, the sixteenth-place ranking and the South American record note. All of them are published by the Pi World Ranking List.
Nothing else is. The list carries a rules page that was not retrieved for this record, so the verification standard behind the entry is not described here. It gives no age, birth year, city or occupation, names no venue or official, and says nothing about how long Vergara Vial prepared or what he has done since.
What reciting twenty thousand digits requires
Pi is incompressible, which is the whole difficulty. There is no rule that generates the next digit from the last, so a recitation of this length is the ordered retrieval of twenty thousand arbitrary symbols with no way to reconstruct a lost position. Memory techniques convert the digits into images or words in advance, but the conversion itself has to be memorised too.
The consequence is that speed and length pull against each other. A faster pace leaves less time to recover from a hesitation, and a single unrecoverable one ends the attempt. Reaching an exact target of 20,000 at 113 digits a minute is a result built on the recall being effectively automatic rather than deliberate.
| 人物 | 国家 | 里程碑 | 年龄 / 数据 |
|---|---|---|---|
| Gaurav Raja | 美国 | 15岁时背诵10,980位圆周率 | 15岁 |
| Manuel Vergara Vial | 智利 | 背诵20,000位圆周率 | — |
| Sudhir Dwivedi | 印度 | 背诵45,000位圆周率 | — |
| Luca Vadacca | 意大利 | 背诵22,801位圆周率 | — |
| Rime Tarchihi | 黎巴嫩 | 背诵10,000位圆周率 | — |
What is documented — and what is not
✓ Documented
- 20,000 digits of pi recited on 19 March 2021, listed at 2 hours 57 minutes (Pi World Ranking List)
- Marked on the list as the South American record for 2021
- Ranked sixteenth all-time
? Unverified, disputed or wrong
- The list's verification rules were not retrieved for this record
- No age, birth year, city or venue is published in this source
- The list does not state whether durations across entries are measured comparably
Questions people ask about Manuel Vergara Vial
How many digits of pi did Manuel Vergara Vial recite?
Exactly 20,000, on 19 March 2021, in a listed time of two hours and 57 minutes.
Is it a record?
The Pi World Ranking List marks it as the South American record for 2021. It is sixteenth on the all-time table.
How fast is that?
Roughly 113 digits a minute sustained for almost three hours, the fastest pace among the list's leading entries.
Who holds the world pi record?
Suresh Kumar Sharma of India tops the list with 70,030 digits, set in October 2015.
How old is Manuel Vergara Vial?
No source in this record gives his age or birth year. The ranking list publishes names, countries, digit counts, dates and short notes only.
How was the attempt verified?
The list maintains a rules page that was not retrieved for this record, so the verification procedure is not described here.
Is Manuel Vergara Vial on Wikipedia?
No Wikipedia article was confirmed in the sources gathered for this page. The source used here is the Pi World Ranking List.
Where is Manuel Vergara Vial now?
No source in this record says. The documented trail is his 2021 entry on the ranking list.
Quick quiz: how well do you know Vergara’s story?
How many digits of pi did Manuel Vergara Vial recite?
How long did the attempt take?
What does the list call the result?
Sources
- Pi World Ranking List – Pi — Pi World Ranking List
Checked by the Geniuses.club editorial team. Ages are given as of September 2026.
