Q: What is the negative version of the number 15,509,449?
A: -15,509,449
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:
| 15,509,447 | 15,509,448 | 15,509,450 | 15,509,451 |
| -15,509,447 | -15,509,448 | -15,509,450 | -15,509,451 |