Q: What is the digital root of 102,040,421

 A: 5

Why is 5 the digital root of the number 102,040,421?

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 102,040,421?


Split the number up and add each digit together:


1 + 0 + 2 + 0 + 4 + 0 + 4 + 2 + 1 = 14

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

1 + 4 = 5

What is the digital root of number 102,040,421?

Answer: 5


More Examples

Number 102,040,419102,040,420102,040,422102,040,423
Digital Root 3467

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