21330
21,330 is an even composite number composed of four prime numbers multiplied together.
21330 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.
Prime factorization of 21330:
2 × 33 × 5 × 79
(2 × 3 × 3 × 3 × 5 × 79)See below for interesting mathematical facts about the number 21330 from the Numbermatics database.
Names of 21330
- Cardinal: 21330 can be written as Twenty-one thousand, three hundred thirty.
Scientific notation
- Scientific notation: 2.133 × 104
Factors of 21330
Divisors of 21330
Bases of 21330
- Binary: 1010011010100102
- Hexadecimal: 0x5352
- Base-36: GGI
Squares and roots of 21330
- 21330 squared (213302) is 454968900
- 21330 cubed (213303) is 9704486637000
-
The
square root of 21330 is 146.0479373357 -
The
cube root of 21330 is 27.7330063961
Scales and comparisons
How big is 21330?- 21,330 seconds is equal to 5 hours, 55 minutes, 30 seconds.
-
To count from 1 to 21,330 would take you about five 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 21330 cubic inches would be around 2.3 feet tall.
Recreational maths with 21330
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