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How Many Zeros in a Trevigintillion?

By Vinitha Published Updated

How many zeros in a trevigintillion? A trevigintillion has 72 zeros: 1072. It is the digit 1 followed by 72 zeros, the 23rd "-illion" after a million. The name uses the Latin roots tre- (three) and viginti (twenty). How many zeros in a septillion covers 10²⁴ in scientific notation alongside Avogadro's number as a nearby scale.

A trevigintillion has

72

zeros

Written Form
1 followed by 72 zeros
Scientific
10⁷²

Trevigintillion's Relationship to Vigintillion

The direct answer: exactly 72 zeros. Trevigintillion equals 1 vigintillion (1063) multiplied by 109 (one billion). To see long-scale naming differences and key spaces in cryptography, read how many zeros does a quindecillion have.

How many zeros in a trevigintillion? 72 zeros, written as 1 followed by 72 zeros (10⁷²).
How many zeros in a Trevigintillion? — howmanyzeros.org

What Does a Trevigintillion Look Like?

The number has 24 groups of three zeros, confirming 3 × 24 = 72. Using the position formula — position 23 gives 3 × 23 + 3 = 72 — arrives at the same answer.

Trevigintillion has gained some pop-culture recognition through Cookie Clicker, where in-game currencies climb into the vigintillion and trevigintillion range.

Trevigintillion vs Its Neighbors

Trevigintillion's position in the short-scale sequence.
NameZerosScientific notation
Duovigintillion691069
Trevigintillion721072
Quattuorvigintillion751075

How Many Zeros in 100 Trevigintillion?

  • 1 trevigintillion = 1072 — 72 zeros
  • 100 trevigintillion = 1074 — 74 zeros
  • 1,000 trevigintillion = 1075 — 75 zeros (= one quattuorvigintillion)

The long-scale trevigintillion equals 10138 — a number 1066 times larger than the short-scale version, a factor equal to one unvigintillion. How many zeros in a trillion also looks at national debt and GDP-sized figures.


Watch: How Many Zeros in a Trevigintillion?

How many zeros in a trevigintillion? A trevigintillion has 72 zeros — 1 followed by 72 zeros. Watch this short video for the zero count, the written form and the notation at a glance.

Watch on YouTube More number explainers

Zeros in a Trevigintillion: FAQ

What comes before a trevigintillion?
Quick answer

Hundred duovigintillion comes right before a trevigintillion.

What comes after a trevigintillion?
Quick answer

Ten trevigintillion comes next, followed by hundred trevigintillion and then quattuorvigintillion.

How many digits does a trevigintillion have?

A trevigintillion has 73 digits in total — that's the digit 1 followed by 72 zeros.

How many zeros in 2 trevigintillion? In half a trevigintillion?

Two trevigintillion keeps the same 72 zeros. Half a trevigintillion has 71 trailing zeros after the 5.

Is a 72-digit number always a trevigintillion?

No. A 72-digit number tops out at hundreds of duovigintillions — a trevigintillion is the first 73-digit number.

How many zeros in a trevigintillion in the British system?

Under the old long-scale system, a trevigintillion meant 10138 — 66 more zeros than today's short-scale trevigintillion.

About the Author

Vinitha

Vinitha

Designer and Developer · Palakkad, Kerala, India

Vinitha holds a bachelor's degree in Textile and Apparel Design from Avinashilingam University, plus a C-Tech certificate in Graphic Design from Image Creative Education. She builds free, no-clutter reference tools like How Many Zeros. Read her full bio.