Q: What is the negative version of the number 21,615,017?
A: -21,615,017
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:
| 21,615,015 | 21,615,016 | 21,615,018 | 21,615,019 |
| -21,615,015 | -21,615,016 | -21,615,018 | -21,615,019 |