21425
21,425 is an odd composite number composed of two prime numbers multiplied together.
21425 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.
Prime factorization of 21425:
52 × 857
(5 × 5 × 857)See below for interesting mathematical facts about the number 21425 from the Numbermatics database.
Names of 21425
- Cardinal: 21425 can be written as Twenty-one thousand, four hundred twenty-five.
Scientific notation
- Scientific notation: 2.1425 × 104
Factors of 21425
Divisors of 21425
Bases of 21425
- Binary: 1010011101100012
- Hexadecimal: 0x53B1
- Base-36: GJ5
Squares and roots of 21425
- 21425 squared (214252) is 459030625
- 21425 cubed (214253) is 9834731140625
-
The
square root of 21425 is 146.3728116831 -
The
cube root of 21425 is 27.7741180365
Scales and comparisons
How big is 21425?- 21,425 seconds is equal to 5 hours, 57 minutes, 5 seconds.
-
To count from 1 to 21,425 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 21425 cubic inches would be around 2.3 feet tall.
Recreational maths with 21425
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The information we have on file for 21425 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!
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