21238542
21,238,542 is an even composite number composed of six prime numbers multiplied together.
21238542 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21238542:
2 × 32 × 13 × 17 × 19 × 281
(2 × 3 × 3 × 13 × 17 × 19 × 281)See below for interesting mathematical facts about the number 21238542 from the Numbermatics database.
Names of 21238542
- Cardinal: 21238542 can be written as Twenty-one million, two hundred thirty-eight thousand, five hundred forty-two.
Scientific notation
- Scientific notation: 2.1238542 × 107
Factors of 21238542
Divisors of 21238542
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 6 9 13 17 18 19 26 34 38 39 51 57 78 102 114 117 153 171 221 234 247 281 306 323 342 442 494 562 646 663 741 843 969 1326 1482 1686 1938 1989 2223 2529 2907 3653 3978 4199 4446 4777 5058 5339 5814 7306 8398 9554 10678 10959 12597 14331 16017 21918 25194 28662 32034 32877 37791 42993 48051 62101 65754 69407 75582 85986 90763 96102 124202 138814 181526 186303 208221 272289 372606 416442 544578 558909 624663 816867 1117818 1179919 1249326 1633734 2359838 3539757 7079514 10619271 21238542
- Sum of all divisors σ(n): 55429920
- Sum of proper divisors (its aliquot sum) s(n): 34191378
- 21238542 is an abundant number, because the sum of its proper divisors (34191378) is greater than itself. Its abundance is 12952836
Bases of 21238542
- Binary: 10100010000010011000011102
- Hexadecimal: 0x144130E
- Base-36: CN7RI
Squares and roots of 21238542
- 21238542 squared (212385422) is 451075666285764
- 21238542 cubed (212385423) is 9580189483588182716088
-
The
square root of 21238542 is 4608.5292664797 -
The
cube root of 21238542 is 276.9331208251
Scales and comparisons
How big is 21238542?- 21,238,542 seconds is equal to 35 weeks, 19 hours, 35 minutes, 42 seconds.
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To count from 1 to 21,238,542 would take you about four days!
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 21238542 cubic inches would be around 23.1 feet tall.
Recreational maths with 21238542
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The information we have on file for 21238542 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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