Q: What is the negative version of the number 13,640,621?
A: -13,640,621
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:
| 13,640,619 | 13,640,620 | 13,640,622 | 13,640,623 |
| -13,640,619 | -13,640,620 | -13,640,622 | -13,640,623 |