1221
1,221 is an odd composite number composed of three prime numbers multiplied together.
1221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.
Prime factorization of 1221:
3 × 11 × 37
See below for interesting mathematical facts about the number 1221 from the Numbermatics database.
Names of 1221
- Cardinal: 1221 can be written as One thousand, two hundred twenty-one.
Scientific notation
- Scientific notation: 1.221 × 103
Factors of 1221
Divisors of 1221
Bases of 1221
- Binary: 100110001012
- Hexadecimal: 0x4C5
- Base-36: XX
Squares and roots of 1221
- 1221 squared (12212) is 1490841
- 1221 cubed (12213) is 1820316861
-
The
square root of 1221 is 34.9428104193 -
The
cube root of 1221 is 10.6882159843
Scales and comparisons
How big is 1221?- 1,221 seconds is equal to 20 minutes, 21 seconds.
-
To count from 1 to 1,221 would take you about twenty minutes.
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 1221 cubic inches would be around 0.9 feet tall.
Recreational maths with 1221
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 1221 - Facts about the integer". Numbermatics.com. 2024. Web. 26 April 2024.
APA style:
Numbermatics. (2024). Number 1221 - Facts about the integer. Retrieved 26 April 2024, from https://numbermatics.com/n/1221/
Chicago style:
Numbermatics. 2024. "Number 1221 - Facts about the integer". https://numbermatics.com/n/1221/
The information we have on file for 1221 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 1221, math, Factors of 1221, curriculum, school, college, exams, university, Prime factorization of 1221, STEM, science, technology, engineering, physics, economics, calculator, one thousand, two hundred twenty-one.