Q: What is the negative version of the number 21,811,239?
A: -21,811,239
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:
| 21,811,237 | 21,811,238 | 21,811,240 | 21,811,241 |
| -21,811,237 | -21,811,238 | -21,811,240 | -21,811,241 |