21364
21,364 is an even composite number composed of three prime numbers multiplied together.
21364 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.
Prime factorization of 21364:
22 × 72 × 109
(2 × 2 × 7 × 7 × 109)See below for interesting mathematical facts about the number 21364 from the Numbermatics database.
Names of 21364
- Cardinal: 21364 can be written as Twenty-one thousand, three hundred sixty-four.
Scientific notation
- Scientific notation: 2.1364 × 104
Factors of 21364
Divisors of 21364
Bases of 21364
- Binary: 1010011011101002
- Hexadecimal: 0x5374
- Base-36: GHG
Squares and roots of 21364
- 21364 squared (213642) is 456420496
- 21364 cubed (213643) is 9750967476544
-
The
square root of 21364 is 146.1642911247 -
The
cube root of 21364 is 27.7477340357
Scales and comparisons
How big is 21364?- 21,364 seconds is equal to 5 hours, 56 minutes, 4 seconds.
-
To count from 1 to 21,364 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 21364 cubic inches would be around 2.3 feet tall.
Recreational maths with 21364
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