What is a 68-digit number?

A 68-digit number is a number that has 68 digits where the first digit must be 1 or greater. On this page, we will answer three questions for you: What is the smallest 68-digit number? What is the largest 68-digit number? How many 68-digit numbers are there?

Smallest 68-digit number
The smallest 68-digit number is 1 followed by 67 zeros. This number is called ten unvigintillion.

Largest 68-digit number
The largest 68-digit number is 9 followed by another 67 nines. This number is called ninety-nine unvigintillion nine hundred ninety-nine vigintillion nine hundred ninety-nine novemdecillion nine hundred ninety-nine octodecillion nine hundred ninety-nine septendecillion nine hundred ninety-nine sexdecillion nine hundred ninety-nine quindecillion nine hundred ninety-nine quattuordecillion nine hundred ninety-nine tredecillion nine hundred ninety-nine duodecillion nine hundred ninety-nine undecillion nine hundred ninety-nine decillion nine hundred ninety-nine nonillion nine hundred ninety-nine octillion nine hundred ninety-nine septillion nine hundred ninety-nine sextillion nine hundred ninety-nine quintillion nine hundred ninety-nine quadrillion nine hundred ninety-nine trillion nine hundred ninety-nine billion nine hundred ninety-nine million nine hundred ninety-nine thousand nine hundred ninety-nine.

Total number of 68-digit numbers
There are a total of ninety unvigintillion different 68-digit numbers. ninety unvigintillion is 9 followed by 67 zeros.

Digit Numbers
Here you can learn about another digit number.

What is a 69-digit number?
Go here for information about the next digit number on our list that we have information about.