Q: What is the digital root of 135,397,533

 A: 3

Why is 3 the digital root of the number 135,397,533?

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 135,397,533?


Split the number up and add each digit together:


1 + 3 + 5 + 3 + 9 + 7 + 5 + 3 + 3 = 39

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

3 + 9 = 12

The answer is more than one digit again, we need to add each digit one more time:

1 + 2 = 3

What is the digital root of number 135,397,533?

Answer: 3


More Examples

Number 135,397,531135,397,532135,397,534135,397,535
Digital Root 1245

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