Q: What is the digital root of 402,345,639

 A: 9

Why is 9 the digital root of the number 402,345,639?

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 402,345,639?


Split the number up and add each digit together:


4 + 0 + 2 + 3 + 4 + 5 + 6 + 3 + 9 = 36

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

3 + 6 = 9

What is the digital root of number 402,345,639?

Answer: 9


More Examples

Number 402,345,637402,345,638402,345,640402,345,641
Digital Root 7812

Explore more about the number 402,345,639:


Ask a Question