Q: What is the digital root of 742,511,557
A: 1
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 742,511,557?
Answer: 1
Number | 742,511,555 | 742,511,556 | 742,511,558 | 742,511,559 |
Digital Root | 8 | 9 | 2 | 3 |