Q: What is the digital root of 42,147,002

 A: 2

Why is 2 the digital root of the number 42,147,002?

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 42,147,002?


Split the number up and add each digit together:


4 + 2 + 1 + 4 + 7 + 0 + 0 + 2 = 20

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

2 + 0 = 2

What is the digital root of number 42,147,002?

Answer: 2


More Examples

Number 42,147,00042,147,00142,147,00342,147,004
Digital Root 9134

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