Q: What is the negative version of the number 13,615,409?
A: -13,615,409
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:
| 13,615,407 | 13,615,408 | 13,615,410 | 13,615,411 |
| -13,615,407 | -13,615,408 | -13,615,410 | -13,615,411 |