Q: What is the negative version of the number 21,605,680?
A: -21,605,680
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:
| 21,605,678 | 21,605,679 | 21,605,681 | 21,605,682 |
| -21,605,678 | -21,605,679 | -21,605,681 | -21,605,682 |