Q: What is the digital root of 27,021,172

 A: 4

Why is 4 the digital root of the number 27,021,172?

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 27,021,172?


Split the number up and add each digit together:


2 + 7 + 0 + 2 + 1 + 1 + 7 + 2 = 22

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

2 + 2 = 4

What is the digital root of number 27,021,172?

Answer: 4


More Examples

Number 27,021,17027,021,17127,021,17327,021,174
Digital Root 2356

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