Q: What is the negative version of the number 15,531,621?
A: -15,531,621
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:
| 15,531,619 | 15,531,620 | 15,531,622 | 15,531,623 |
| -15,531,619 | -15,531,620 | -15,531,622 | -15,531,623 |