Q: What is the negative version of the number 21,909,081?
A: -21,909,081
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:
| 21,909,079 | 21,909,080 | 21,909,082 | 21,909,083 |
| -21,909,079 | -21,909,080 | -21,909,082 | -21,909,083 |