Q: What is the negative version of the number 21,157,749?
A: -21,157,749
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
21,157,747 | 21,157,748 | 21,157,750 | 21,157,751 |
-21,157,747 | -21,157,748 | -21,157,750 | -21,157,751 |