Q: What is the negative version of the number 15,644,643?
A: -15,644,643
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:
| 15,644,641 | 15,644,642 | 15,644,644 | 15,644,645 |
| -15,644,641 | -15,644,642 | -15,644,644 | -15,644,645 |