Q: What is the digital root of 138,137,717
A: 2
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.
Split the number up and add each digit together:
If the answer is more than one digit, you would add each digit of the answer together again:
What is the digital root of number 138,137,717?
Answer: 2
Number | 138,137,715 | 138,137,716 | 138,137,718 | 138,137,719 |
Digital Root | 9 | 1 | 3 | 4 |