21438835704
21,438,835,704 is an even composite number composed of five prime numbers multiplied together.
21438835704 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21438835704:
23 × 34 × 11 × 133 × 372
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 13 × 13 × 13 × 37 × 37)See below for interesting mathematical facts about the number 21438835704 from the Numbermatics database.
Names of 21438835704
- Cardinal: 21438835704 can be written as Twenty-one billion, four hundred thirty-eight million, eight hundred thirty-five thousand, seven hundred four.
Scientific notation
- Scientific notation: 2.1438835704 × 1010
Factors of 21438835704
Divisors of 21438835704
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 18 22 24 26 27 33 36 37 39 44 52 54 66 72 74 78 81 88 99 104 108 111 117 132 143 148 156 162 169 198 216 222 234 264 286 296 297 312 324 333 338 351 396 407 429 444 468 481 507 572 594 648 666 676 702 792 814 858 888 891 936 962 999 1014 1053 1144 1188 1221 1287 1332 1352 1369 1404 1443 1521 1628 1716 1782 1859 1924 1998 2028 2106 2197 2376 2442 2574 2664 2738 2808 2886 2997 3042 3256 3432 3564 3663 3718 3848 3861 3996 4056 4107 4212 4329 4394 4563 4884 5148 5291 5476 5577 5772 5994 6084 6253 6591 7128 7326 7436 7722 7992 8214 8424 8658 8788 9126 9768 10296 10582 10952 10989 11154 11544 11583 11988 12168 12321 12506 12987 13182 13689 14652 14872 15059 15444 15873 16428 16731 17316 17576 17797 18252 18759 19773 21164 21978 22308 23166 23976 24167 24642 25012 25974 26364 27378 29304 30118 30888 31746 32856 32967 33462 34632 35594 36504 36963 37518 38961 39546 42328 43956 44616 45177 46332 47619 48334 49284 50024 50193 51948 52728 53391 54756 56277 59319 60236 63492 65934 66924 68783 71188 72501 73926 75036 77922 79092 81289 87912 90354 92664 95238 96668 98568 100386 103896 106782 109512 110889 112554 118638 120472 126984 131868 133848 135531 137566 142376 142857 145002 147852 150072 150579 155844 158184 160173 162578 168831 177957 180708 190476 193336 195767 200772 206349 213564 217503 221778 225108 231361 237276 243867 263736 271062 275132 285714 290004 295704 301158 311688 320346 325156 337662 355914 361416 380952 391534 401544 406593 412698 427128 428571 435006 443556 450216 462722 474552 480519 487734 506493 542124 550264 571428 580008 587301 602316 619047 640692 650312 652509 675324 694083 711828 731601 783068 813186 825396 857142 870012 887112 894179 925444 961038 975468 1012986 1084248 1142856 1174602 1204632 1219779 1238094 1281384 1305018 1350648 1388166 1423656 1441557 1463202 1566136 1626372 1650792 1714284 1740024 1761903 1788358 1850888 1857141 1922076 1950936 1957527 2025972 2082249 2194803 2349204 2439558 2476188 2544971 2610036 2682537 2776332 2883114 2926404 3007693 3252744 3428568 3523806 3576716 3714282 3844152 3915054 4051944 4164498 4389606 4698408 4879116 4952376 5089942 5220072 5285709 5365074 5552664 5571423 5766228 5852808 6015386 6246747 6584409 7047612 7153432 7428564 7634913 7830108 8047611 8328996 8779212 9023079 9758232 10179884 10571418 10730148 11142846 11532456 12030772 12493494 13168818 14095224 14857128 15269826 15660216 15857127 16095222 16657992 17558424 18046158 18740241 20359768 21142836 21460296 22285692 22904739 24061544 24142833 24986988 26337636 27069237 30539652 31714254 32190444 33084623 36092316 37480482 42285672 44571384 45809478 48285666 49973976 52675272 54138474 61079304 63428508 64380888 66169246 68714217 72184632 72428499 74960964 81207711 91618956 96571332 99253869 108276948 126857016 132338492 137428434 144856998 149921928 162415422 183237912 193142664 198507738 206142651 216553896 243623133 264676984 274856868 289713996 297761607 324830844 397015476 412285302 487246266 549713736 579427992 595523214 649661688 794030952 824570604 893284821 974492532 1191046428 1649141208 1786569642 1948985064 2382092856 2679854463 3573139284 5359708926 7146278568 10719417852 21438835704
- Sum of all divisors σ(n): 72933814800
- Sum of proper divisors (its aliquot sum) s(n): 51494979096
- 21438835704 is an abundant number, because the sum of its proper divisors (51494979096) is greater than itself. Its abundance is 30056143392
Bases of 21438835704
- Binary: 100111111011101101010101011111110002
- Hexadecimal: 0x4FDDAABF8
- Base-36: 9UK4NI0
Squares and roots of 21438835704
- 21438835704 squared (214388357042) is 459623676343105175616
- 21438835704 cubed (214388357043) is 9853796482788303393223490993664
-
The
square root of 21438835704 is 146420.0659199415 -
The
cube root of 21438835704 is 2778.0095349281
Scales and comparisons
How big is 21438835704?- 21,438,835,704 seconds is equal to 681 years, 35 weeks, 5 days, 16 hours, 8 minutes, 24 seconds.
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To count from 1 to 21,438,835,704 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 21438835704 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438835704
- 21438835704 backwards is 40753883412
- The number of decimal digits it has is: 11
- The sum of 21438835704's digits is 45
- More coming soon!
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