221365242
221,365,242 is an even composite number composed of five prime numbers multiplied together.
221365242 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 221365242:
2 × 32 × 72 × 419 × 599
(2 × 3 × 3 × 7 × 7 × 419 × 599)See below for interesting mathematical facts about the number 221365242 from the Numbermatics database.
Names of 221365242
- Cardinal: 221365242 can be written as Two hundred twenty-one million, three hundred sixty-five thousand, two hundred forty-two.
Scientific notation
- Scientific notation: 2.21365242 × 108
Factors of 221365242
Divisors of 221365242
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 419 441 599 838 882 1198 1257 1797 2514 2933 3594 3771 4193 5391 5866 7542 8386 8799 10782 12579 17598 20531 25158 26397 29351 37737 41062 52794 58702 61593 75474 88053 123186 176106 184779 250981 264159 369558 501962 528318 752943 1505886 1756867 2258829 3513734 4517658 5270601 10541202 12298069 15811803 24596138 31623606 36894207 73788414 110682621 221365242
- Sum of all divisors σ(n): 560196000
- Sum of proper divisors (its aliquot sum) s(n): 338830758
- 221365242 is an abundant number, because the sum of its proper divisors (338830758) is greater than itself. Its abundance is 117465516
Bases of 221365242
- Binary: 11010011000111000011111110102
- Hexadecimal: 0xD31C3FA
- Base-36: 3NSMII
Squares and roots of 221365242
- 221365242 squared (2213652422) is 49002570365718564
- 221365242 cubed (2213652423) is 10847465847629318423752488
-
The
square root of 221365242 is 14878.3480937905 -
The
cube root of 221365242 is 604.9272430321
Scales and comparisons
How big is 221365242?- 221,365,242 seconds is equal to 7 years, 2 weeks, 2 hours, 20 minutes, 42 seconds.
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To count from 1 to 221,365,242 would take you about ten years!
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 221365242 cubic inches would be around 50.4 feet tall.
Recreational maths with 221365242
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The information we have on file for 221365242 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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