Q: What is the negative version of the number 15,638,540?
A: -15,638,540
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:
| 15,638,538 | 15,638,539 | 15,638,541 | 15,638,542 |
| -15,638,538 | -15,638,539 | -15,638,541 | -15,638,542 |