Q: What is the digital root of 647,642,636

 A: 8

Why is 8 the digital root of the number 647,642,636?

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 647,642,636?


Split the number up and add each digit together:


6 + 4 + 7 + 6 + 4 + 2 + 6 + 3 + 6 = 44

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

4 + 4 = 8

What is the digital root of number 647,642,636?

Answer: 8


More Examples

Number 647,642,634647,642,635647,642,637647,642,638
Digital Root 6791

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