Q: What is the digital root of 121,664,823

 A: 6

Why is 6 the digital root of the number 121,664,823?

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 121,664,823?


Split the number up and add each digit together:


1 + 2 + 1 + 6 + 6 + 4 + 8 + 2 + 3 = 33

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

3 + 3 = 6

What is the digital root of number 121,664,823?

Answer: 6


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