Q: What is the digital root of 1,100,215

 A: 1

Why is 1 the digital root of the number 1,100,215?

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 1,100,215?


Split the number up and add each digit together:


1 + 1 + 0 + 0 + 2 + 1 + 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 1,100,215?

Answer: 1


More Examples

Number 1,100,2131,100,2141,100,2161,100,217
Digital Root 8923

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