Q: What is the digital root of 121,306,720

 A: 4

Why is 4 the digital root of the number 121,306,720?

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 121,306,720?


Split the number up and add each digit together:


1 + 2 + 1 + 3 + 0 + 6 + 7 + 2 + 0 = 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 121,306,720?

Answer: 4


More Examples

Number 121,306,718121,306,719121,306,721121,306,722
Digital Root 2356

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