Q: What is the digital root of 391,315

 A: 4

Why is 4 the digital root of the number 391,315?

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 391,315?


Split the number up and add each digit together:


3 + 9 + 1 + 3 + 1 + 5 = 22

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

2 + 2 = 4

What is the digital root of number 391,315?

Answer: 4


More Examples

Number 391,313391,314391,316391,317
Digital Root 2356

Explore more about the number 391,315:


Ask a Question