What is a 29-digit number?

A 29-digit number is a number that has 29 digits where the first digit must be 1 or greater. On this page, we will answer three questions for you: What is the smallest 29-digit number? What is the largest 29-digit number? How many 29-digit numbers are there?

Smallest 29-digit number
The smallest 29-digit number is 1 followed by 28 zeros. This number is called ten octillion.

Largest 29-digit number
The largest 29-digit number is 9 followed by another 28 nines. This number is called 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 29-digit numbers
There are a total of ninety octillion different 29-digit numbers. ninety octillion is 9 followed by 28 zeros.

Digit Numbers
Here you can learn about another digit number.

What is a 30-digit number?
Go here for information about the next digit number on our list that we have information about.