Q: What is the digital root of 166,542,124

 A: 4

Why is 4 the digital root of the number 166,542,124?

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 166,542,124?


Split the number up and add each digit together:


1 + 6 + 6 + 5 + 4 + 2 + 1 + 2 + 4 = 31

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

3 + 1 = 4

What is the digital root of number 166,542,124?

Answer: 4


More Examples

Number 166,542,122166,542,123166,542,125166,542,126
Digital Root 2356

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