Q: What is the digital root of 121,661,102

 A: 2

Why is 2 the digital root of the number 121,661,102?

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 121,661,102?


Split the number up and add each digit together:


1 + 2 + 1 + 6 + 6 + 1 + 1 + 0 + 2 = 20

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

2 + 0 = 2

What is the digital root of number 121,661,102?

Answer: 2


More Examples

Number 121,661,100121,661,101121,661,103121,661,104
Digital Root 9134

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