Q: What is the negative version of the number 21,535,870?
A: -21,535,870
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:
| 21,535,868 | 21,535,869 | 21,535,871 | 21,535,872 |
| -21,535,868 | -21,535,869 | -21,535,871 | -21,535,872 |