Q: What is the negative version of the number 21,561,724?
A: -21,561,724
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:
| 21,561,722 | 21,561,723 | 21,561,725 | 21,561,726 |
| -21,561,722 | -21,561,723 | -21,561,725 | -21,561,726 |