21998
21,998 is an even composite number composed of three prime numbers multiplied together.
21998 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.
Prime factorization of 21998:
2 × 17 × 647
See below for interesting mathematical facts about the number 21998 from the Numbermatics database.
Names of 21998
- Cardinal: 21998 can be written as Twenty-one thousand, nine hundred ninety-eight.
Scientific notation
- Scientific notation: 2.1998 × 104
Factors of 21998
Divisors of 21998
Bases of 21998
- Binary: 1010101111011102
- Hexadecimal: 0x55EE
- Base-36: GZ2
Squares and roots of 21998
- 21998 squared (219982) is 483912004
- 21998 cubed (219983) is 10645096263992
-
The
square root of 21998 is 148.3172275901 -
The
cube root of 21998 is 28.0195441779
Scales and comparisons
How big is 21998?- 21,998 seconds is equal to 6 hours, 6 minutes, 38 seconds.
-
To count from 1 to 21,998 would take you about six hours.
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21998 cubic inches would be around 2.3 feet tall.
Recreational maths with 21998
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 21998 - Facts about the integer". Numbermatics.com. 2024. Web. 25 April 2024.
APA style:
Numbermatics. (2024). Number 21998 - Facts about the integer. Retrieved 25 April 2024, from https://numbermatics.com/n/21998/
Chicago style:
Numbermatics. 2024. "Number 21998 - Facts about the integer". https://numbermatics.com/n/21998/
The information we have on file for 21998 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 21998, math, Factors of 21998, curriculum, school, college, exams, university, Prime factorization of 21998, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, nine hundred ninety-eight.