Q: What is the digital root of 255,159,999

 A: 9

Why is 9 the digital root of the number 255,159,999?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 255,159,999?


Split the number up and add each digit together:


2 + 5 + 5 + 1 + 5 + 9 + 9 + 9 + 9 = 54

If the answer is more than one digit, you would add each digit of the answer together again:

5 + 4 = 9

What is the digital root of number 255,159,999?

Answer: 9


More Examples

Number 255,159,997255,159,998255,160,000255,160,001
Digital Root 7812

Explore more about the number 255,159,999:


Ask a Question