Q: What is the digital root of 7,724,210

 A: 5

Why is 5 the digital root of the number 7,724,210?

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 7,724,210?


Split the number up and add each digit together:


7 + 7 + 2 + 4 + 2 + 1 + 0 = 23

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

2 + 3 = 5

What is the digital root of number 7,724,210?

Answer: 5


More Examples

Number 7,724,2087,724,2097,724,2117,724,212
Digital Root 3467

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