Q: What is the negative version of the number 21,610,909?
A: -21,610,909
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:
| 21,610,907 | 21,610,908 | 21,610,910 | 21,610,911 |
| -21,610,907 | -21,610,908 | -21,610,910 | -21,610,911 |