Q: What is the digital root of 273,220,721

 A: 8

Why is 8 the digital root of the number 273,220,721?

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 273,220,721?


Split the number up and add each digit together:


2 + 7 + 3 + 2 + 2 + 0 + 7 + 2 + 1 = 26

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

2 + 6 = 8

What is the digital root of number 273,220,721?

Answer: 8


More Examples

Number 273,220,719273,220,720273,220,722273,220,723
Digital Root 6791

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