Q: What is the negative version of the number 21,510,572?
A: -21,510,572
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:
| 21,510,570 | 21,510,571 | 21,510,573 | 21,510,574 |
| -21,510,570 | -21,510,571 | -21,510,573 | -21,510,574 |