Q: What is the negative version of the number 21,615,019?
A: -21,615,019
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:
| 21,615,017 | 21,615,018 | 21,615,020 | 21,615,021 |
| -21,615,017 | -21,615,018 | -21,615,020 | -21,615,021 |