Q: What is the digital root of 13,169,309

 A: 5

Why is 5 the digital root of the number 13,169,309?

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 13,169,309?


Split the number up and add each digit together:


1 + 3 + 1 + 6 + 9 + 3 + 0 + 9 = 32

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

3 + 2 = 5

What is the digital root of number 13,169,309?

Answer: 5


More Examples

Number 13,169,30713,169,30813,169,31013,169,311
Digital Root 3467

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