Q: What is the negative version of the number 18,209,621?
A: -18,209,621
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:
| 18,209,619 | 18,209,620 | 18,209,622 | 18,209,623 |
| -18,209,619 | -18,209,620 | -18,209,622 | -18,209,623 |