21148272
21,148,272 is an even composite number composed of five prime numbers multiplied together.
21148272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21148272:
24 × 32 × 17 × 53 × 163
(2 × 2 × 2 × 2 × 3 × 3 × 17 × 53 × 163)See below for interesting mathematical facts about the number 21148272 from the Numbermatics database.
Names of 21148272
- Cardinal: 21148272 can be written as Twenty-one million, one hundred forty-eight thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.1148272 × 107
Factors of 21148272
Divisors of 21148272
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 53 68 72 102 106 136 144 153 159 163 204 212 272 306 318 326 408 424 477 489 612 636 652 816 848 901 954 978 1224 1272 1304 1467 1802 1908 1956 2448 2544 2608 2703 2771 2934 3604 3816 3912 5406 5542 5868 7208 7632 7824 8109 8313 8639 10812 11084 11736 14416 16218 16626 17278 21624 22168 23472 24939 25917 32436 33252 34556 43248 44336 49878 51834 64872 66504 69112 77751 99756 103668 129744 133008 138224 146863 155502 199512 207336 293726 311004 399024 414672 440589 587452 622008 881178 1174904 1244016 1321767 1762356 2349808 2643534 3524712 5287068 7049424 10574136 21148272
- Sum of all divisors σ(n): 64241424
- Sum of proper divisors (its aliquot sum) s(n): 43093152
- 21148272 is an abundant number, because the sum of its proper divisors (43093152) is greater than itself. Its abundance is 21944880
Bases of 21148272
- Binary: 10100001010110010011100002
- Hexadecimal: 0x142B270
- Base-36: CLA40
Squares and roots of 21148272
- 21148272 squared (211482722) is 447249408585984
- 21148272 cubed (211482723) is 9458552144615525019648
-
The
square root of 21148272 is 4598.7250407039 -
The
cube root of 21148272 is 276.5402147895
Scales and comparisons
How big is 21148272?- 21,148,272 seconds is equal to 34 weeks, 6 days, 18 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,148,272 would take you about three 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 21148272 cubic inches would be around 23 feet tall.
Recreational maths with 21148272
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The information we have on file for 21148272 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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