Q: What is the negative version of the number 21,389,840?
A: -21,389,840
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:
| 21,389,838 | 21,389,839 | 21,389,841 | 21,389,842 |
| -21,389,838 | -21,389,839 | -21,389,841 | -21,389,842 |