Q: What is the negative version of the number 21,171,838?
A: -21,171,838
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:
| 21,171,836 | 21,171,837 | 21,171,839 | 21,171,840 |
| -21,171,836 | -21,171,837 | -21,171,839 | -21,171,840 |