Q: What is the negative version of the number 15,644,521?
A: -15,644,521
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:
| 15,644,519 | 15,644,520 | 15,644,522 | 15,644,523 |
| -15,644,519 | -15,644,520 | -15,644,522 | -15,644,523 |