Q: What is the digital root of 210,405,440
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 210,405,440?
Answer: 2
| Number | 210,405,438 | 210,405,439 | 210,405,441 | 210,405,442 |
| Digital Root | 9 | 1 | 3 | 4 |