Q: What is the digital root of 16,821,234

 A: 9

Why is 9 the digital root of the number 16,821,234?

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 16,821,234?


Split the number up and add each digit together:


1 + 6 + 8 + 2 + 1 + 2 + 3 + 4 = 27

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

2 + 7 = 9

What is the digital root of number 16,821,234?

Answer: 9


More Examples

Number 16,821,23216,821,23316,821,23516,821,236
Digital Root 7812

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