Q: What is the digital root of 28,173,921
A: 6
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 28,173,921?
Answer: 6
Number | 28,173,919 | 28,173,920 | 28,173,922 | 28,173,923 |
Digital Root | 4 | 5 | 7 | 8 |