Q: What is the digital root of 100,210,105

 A: 1

Why is 1 the digital root of the number 100,210,105?

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 100,210,105?


Split the number up and add each digit together:


1 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 5 = 10

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

1 + 0 = 1

What is the digital root of number 100,210,105?

Answer: 1


More Examples

Number 100,210,103100,210,104100,210,106100,210,107
Digital Root 8923

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