Q: What is the negative version of the number 15,564,639?
A: -15,564,639
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:
| 15,564,637 | 15,564,638 | 15,564,640 | 15,564,641 |
| -15,564,637 | -15,564,638 | -15,564,640 | -15,564,641 |