Q: What is the digital root of 135,642,307

 A: 4

Why is 4 the digital root of the number 135,642,307?

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 135,642,307?


Split the number up and add each digit together:


1 + 3 + 5 + 6 + 4 + 2 + 3 + 0 + 7 = 31

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

3 + 1 = 4

What is the digital root of number 135,642,307?

Answer: 4


More Examples

Number 135,642,305135,642,306135,642,308135,642,309
Digital Root 2356

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