Q: What is the digital root of 210,064,066

 A: 7

Why is 7 the digital root of the number 210,064,066?

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 210,064,066?


Split the number up and add each digit together:


2 + 1 + 0 + 0 + 6 + 4 + 0 + 6 + 6 = 25

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

2 + 5 = 7

What is the digital root of number 210,064,066?

Answer: 7


More Examples

Number 210,064,064210,064,065210,064,067210,064,068
Digital Root 5689

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