Q: What is the negative version of the number 19,721,405?
A: -19,721,405
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:
| 19,721,403 | 19,721,404 | 19,721,406 | 19,721,407 |
| -19,721,403 | -19,721,404 | -19,721,406 | -19,721,407 |