Q: What is the negative version of the number 21,783,621?
A: -21,783,621
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:
| 21,783,619 | 21,783,620 | 21,783,622 | 21,783,623 |
| -21,783,619 | -21,783,620 | -21,783,622 | -21,783,623 |