Q: What is the negative version of the number 21,781,442?
A: -21,781,442
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:
| 21,781,440 | 21,781,441 | 21,781,443 | 21,781,444 |
| -21,781,440 | -21,781,441 | -21,781,443 | -21,781,444 |