Skip to main content

How Many Zeros in a Novemdecillion?

How many zeros in a novemdecillion? A novemdecillion has 60 zeros in the short-scale system: 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000, or 1060. The name comes from the Latin novemdecim (nineteen), the 19th "-illion" after a million. Related: Zeros in a septendecillion.

A novemdecillion has

60

zeros

Written Form
1 followed by 60 zeros
Scientific
10⁶⁰

Verifying Novemdecillion's Zero Count

The direct answer: exactly 60 zeros, following the formula for the 19th "-illion": 3 × 19 + 3 = 60. Novemdecillion follows octodecillion (1057) and comes just before vigintillion (1063).

How many zeros in a Novemdecillion? 60 zeros, written as 1 followed by 60 zeros (10⁶⁰).
How many zeros in a Novemdecillion? — howmanyzeros.org

Is Novemdecillion a Real Number?

Yes — novemdecillion is a real, formally defined number, not slang or an approximation. It also connects to an actual physical estimate: some calculations of the volume of the observable universe expressed in cubic inches land in the novemdecillion range, roughly 4 × 1061. Learn more about duodecillion zeros.

Novemdecillion is one of the highest "-illion" names that still connects to a measurable physical quantity — the estimated volume of the observable universe in cubic inches.

Novemdecillion vs Its Neighbors

Novemdecillion's position in the short-scale sequence.
NameZerosScientific notation
Octodecillion571057
Novemdecillion601060
Vigintillion631063

How Many Zeros in 10 Novemdecillion and 100 Novemdecillion?

  • 1 novemdecillion = 1060 — 60 zeros
  • 10 novemdecillion = 1061 — 61 zeros
  • 100 novemdecillion = 1062 — 62 zeros

Spelling Variants

Novemdecillion
More common in American dictionaries
Novendecillion
Appears in some British and European sources — same number, different spelling

Zeros in a Novemdecillion: FAQ

What comes before a novemdecillion?
Quick answer

Hundred octodecillion comes right before a novemdecillion. Related: How many zeros does a million have.

What comes after a novemdecillion?
Quick answer

Ten novemdecillion comes next, followed by hundred novemdecillion and then vigintillion.

How many digits does a novemdecillion have?

A novemdecillion has 61 digits in total — that's the digit 1 followed by 60 zeros.

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

Two novemdecillion keeps the same 60 zeros. Half a novemdecillion has 59 trailing zeros after the 5.

Is a 60-digit number always a novemdecillion?

No. A 60-digit number tops out at hundreds of octodecillions — a novemdecillion is the first 61-digit number.

How many zeros in a novemdecillion in the British system?

Under the old long-scale system, a novemdecillion meant 10114 — 54 more zeros than today's short-scale novemdecillion.