Q: What is the negative version of the number 15,401,221?
A: -15,401,221
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:
| 15,401,219 | 15,401,220 | 15,401,222 | 15,401,223 |
| -15,401,219 | -15,401,220 | -15,401,222 | -15,401,223 |