21403638016
21,403,638,016 is an even composite number composed of four prime numbers multiplied together.
21403638016 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 21403638016:
28 × 192 × 312 × 241
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 19 × 31 × 31 × 241)See below for interesting mathematical facts about the number 21403638016 from the Numbermatics database.
Names of 21403638016
- Cardinal: 21403638016 can be written as Twenty-one billion, four hundred three million, six hundred thirty-eight thousand and sixteen.
Scientific notation
- Scientific notation: 2.1403638016 × 1010
Factors of 21403638016
Divisors of 21403638016
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 4 8 16 19 31 32 38 62 64 76 124 128 152 241 248 256 304 361 482 496 589 608 722 961 964 992 1178 1216 1444 1922 1928 1984 2356 2432 2888 3844 3856 3968 4579 4712 4864 5776 7471 7688 7712 7936 9158 9424 11191 11552 14942 15376 15424 18259 18316 18848 22382 23104 29884 30752 30848 36518 36632 37696 44764 46208 59768 61504 61696 73036 73264 75392 87001 89528 92416 119536 123008 141949 146072 146528 150784 174002 179056 231601 239072 246016 283898 292144 293056 346921 348004 358112 463202 478144 567796 584288 586112 693842 696008 716224 926404 956288 1135592 1168576 1172224 1387684 1392016 1432448 1852808 1912576 2271184 2337152 2697031 2775368 2784032 2864896 3705616 4400419 4542368 4674304 5394062 5550736 5568064 7411232 8800838 9084736 10788124 11101472 11136128 14822464 17601676 18169472 21576248 22202944 22272256 29644928 35203352 36338944 43152496 44405888 59289856 70406704 83607961 86304992 88811776 140813408 167215922 172609984 281626816 334431844 345219968 563253632 668863688 690439936 1126507264 1337727376 2675454752 5350909504 10701819008 21403638016
- Sum of all divisors σ(n): 46785415446
- Sum of proper divisors (its aliquot sum) s(n): 25381777430
- 21403638016 is an abundant number, because the sum of its proper divisors (25381777430) is greater than itself. Its abundance is 3978139414
Bases of 21403638016
- Binary: 100111110111100000110011001000000002
- Hexadecimal: 0x4FBC19900
- Base-36: 9TZ68SG
Squares and roots of 21403638016
- 21403638016 squared (214036380162) is 458115720319960416256
- 21403638016 cubed (214036380163) is 9805343047167528448992105988096
-
The
square root of 21403638016 is 146299.8223375545 -
The
cube root of 21403638016 is 2776.4884157521
Scales and comparisons
How big is 21403638016?- 21,403,638,016 seconds is equal to 680 years, 29 weeks, 4 days, 7 hours, 16 seconds.
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To count from 1 to 21,403,638,016 would take you about one thousand, three hundred sixty-one 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 21403638016 cubic inches would be around 231.4 feet tall.
Recreational maths with 21403638016
- 21403638016 backwards is 61083630412
- The number of decimal digits it has is: 11
- The sum of 21403638016's digits is 34
- More coming soon!
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The information we have on file for 21403638016 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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