Q: What is the negative version of the number 21,721,388?
A: -21,721,388
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:
| 21,721,386 | 21,721,387 | 21,721,389 | 21,721,390 |
| -21,721,386 | -21,721,387 | -21,721,389 | -21,721,390 |