Q: What is the digital root of 3,638

 A: 2

Why is 2 the digital root of the number 3,638?

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 3,638?


Split the number up and add each digit together:


3 + 6 + 3 + 8 = 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 3,638?

Answer: 2


More Examples

Number 3,6363,6373,6393,640
Digital Root 9134

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