Q: What is the negative version of the number 21,771,239?
A: -21,771,239
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:
| 21,771,237 | 21,771,238 | 21,771,240 | 21,771,241 |
| -21,771,237 | -21,771,238 | -21,771,240 | -21,771,241 |