21448433664
21,448,433,664 is an even composite number composed of four prime numbers multiplied together.
21448433664 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21448433664:
213 × 33 × 72 × 1979
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 1979)See below for interesting mathematical facts about the number 21448433664 from the Numbermatics database.
Names of 21448433664
- Cardinal: 21448433664 can be written as Twenty-one billion, four hundred forty-eight million, four hundred thirty-three thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.1448433664 × 1010
Factors of 21448433664
Divisors of 21448433664
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 189 192 196 216 224 252 256 288 294 336 378 384 392 432 441 448 504 512 576 588 672 756 768 784 864 882 896 1008 1024 1152 1176 1323 1344 1512 1536 1568 1728 1764 1792 1979 2016 2048 2304 2352 2646 2688 3024 3072 3136 3456 3528 3584 3958 4032 4096 4608 4704 5292 5376 5937 6048 6144 6272 6912 7056 7168 7916 8064 8192 9216 9408 10584 10752 11874 12096 12288 12544 13824 13853 14112 14336 15832 16128 17811 18432 18816 21168 21504 23748 24192 24576 25088 27648 27706 28224 28672 31664 32256 35622 36864 37632 41559 42336 43008 47496 48384 50176 53433 55296 55412 56448 57344 63328 64512 71244 73728 75264 83118 84672 86016 94992 96768 96971 100352 106866 110592 110824 112896 124677 126656 129024 142488 150528 166236 169344 172032 189984 193536 193942 200704 213732 221184 221648 225792 249354 253312 258048 284976 290913 301056 332472 338688 374031 379968 387072 387884 401408 427464 443296 451584 498708 506624 516096 569952 581826 602112 664944 677376 748062 759936 774144 775768 854928 872739 886592 903168 997416 1013248 1139904 1163652 1204224 1329888 1354752 1496124 1519872 1548288 1551536 1709856 1745478 1773184 1806336 1994832 2026496 2279808 2327304 2618217 2659776 2709504 2992248 3039744 3103072 3419712 3490956 3546368 3612672 3989664 4052992 4559616 4654608 5236434 5319552 5419008 5984496 6079488 6206144 6839424 6981912 7092736 7979328 8105984 9119232 9309216 10472868 10639104 10838016 11968992 12158976 12412288 13678848 13963824 14185472 15958656 16211968 18238464 18618432 20945736 21278208 23937984 24317952 24824576 27357696 27927648 28370944 31917312 36476928 37236864 41891472 42556416 47875968 48635904 49649152 54715392 55855296 56741888 63834624 72953856 74473728 83782944 85112832 95751936 99298304 109430784 111710592 113483776 127669248 145907712 148947456 167565888 170225664 191503872 198596608 218861568 223421184 255338496 297894912 335131776 340451328 383007744 397193216 437723136 446842368 510676992 595789824 670263552 766015488 794386432 893684736 1021353984 1191579648 1340527104 1532030976 1787369472 2383159296 2681054208 3064061952 3574738944 5362108416 7149477888 10724216832 21448433664
- Sum of all divisors σ(n): 73959415200
- Sum of proper divisors (its aliquot sum) s(n): 52510981536
- 21448433664 is an abundant number, because the sum of its proper divisors (52510981536) is greater than itself. Its abundance is 31062547872
Bases of 21448433664
- Binary: 100111111100110110100100000000000002
- Hexadecimal: 0x4FE6D2000
- Base-36: 9UPUDC0
Squares and roots of 21448433664
- 21448433664 squared (214484336642) is 460035306639008464896
- 21448433664 cubed (214484336643) is 9867036757544671854056328658944
-
The
square root of 21448433664 is 146452.8376782095 -
The
cube root of 21448433664 is 2778.4240357713
Scales and comparisons
How big is 21448433664?- 21,448,433,664 seconds is equal to 681 years, 51 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
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To count from 1 to 21,448,433,664 would take you about one thousand, three hundred sixty-three 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 21448433664 cubic inches would be around 231.5 feet tall.
Recreational maths with 21448433664
- 21448433664 backwards is 46633484412
- The number of decimal digits it has is: 11
- The sum of 21448433664's digits is 45
- More coming soon!
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