81440412318720
81,440,412,318,720 is an even composite number composed of six prime numbers multiplied together.
81440412318720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, six hundred forty divisors.
Prime factorization of 81440412318720:
210 × 34 × 5 × 7 × 133 × 1132
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 13 × 13 × 13 × 113 × 113)See below for interesting mathematical facts about the number 81440412318720 from the Numbermatics database.
Names of 81440412318720
- Cardinal: 81440412318720 can be written as Eighty-one trillion, four hundred forty billion, four hundred twelve million, three hundred eighteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 8.144041231872 × 1013
Factors of 81440412318720
Divisors of 81440412318720
- Number of divisors d(n): 2640
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 64 65 70 72 78 80 81 84 90 91 96 104 105 108 112 113 117 120 126 128 130 135 140 144 156 160 162 168 169 180 182 189 192 195 208 210 216 224 226 234 240 252 256 260 270 273 280 288 312 315 320 324 336 338 339 351 360 364 378 384 390 405 416 420 432 448 452 455 468 480 504 507 512 520 540 546 560 565 567 576 585 624 630 640 648 672 676 678 702 720 728 756 768 780 791 810 819 832 840 845 864 896 904 910 936 945 960 1008 1014 1017 1024 1040 1053 1080 1092 1120 1130 1134 1152 1170 1183 1248 1260 1280 1296 1344 1352 1356 1365 1404 1440 1456 1469 1512 1521 1536 1560 1582 1620 1638 1664 1680 1690 1695 1728 1755 1792 1808 1820 1872 1890 1920 2016 2028 2034 2080 2106 2160 2184 2197 2240 2260 2268 2304 2340 2366 2373 2457 2496 2520 2535 2560 2592 2688 2704 2712 2730 2808 2835 2880 2912 2938 3024 3042 3051 3072 3120 3164 3240 3276 3328 3360 3380 3390 3456 3510 3549 3584 3616 3640 3744 3780 3840 3955 4032 4056 4068 4095 4160 4212 4320 4368 4394 4407 4480 4520 4536 4563 4608 4680 4732 4746 4914 4992 5040 5070 5085 5120 5184 5265 5376 5408 5424 5460 5616 5670 5760 5824 5876 5915 6048 6084 6102 6240 6328 6480 6552 6591 6656 6720 6760 6780 6912 7020 7098 7119 7168 7232 7280 7345 7371 7488 7560 7605 7680 7910 8064 8112 8136 8190 8320 8424 8640 8736 8788 8814 8960 9040 9072 9126 9153 9216 9360 9464 9492 9828 9984 10080 10140 10170 10283 10368 10530 10647 10752 10816 10848 10920 10985 11232 11340 11520 11648 11752 11830 11865 12096 12168 12204 12285 12480 12656 12769 12960 13104 13182 13221 13312 13440 13520 13560 13689 13824 14040 14196 14238 14464 14560 14690 14742 14976 15120 15210 15255 15360 15379 15820 16128 16224 16272 16380 16640 16848 17280 17472 17576 17628 17745 17920 18080 18144 18252 18306 18720 18928 18984 19097 19656 19773 19968 20160 20280 20340 20566 20736 21060 21294 21357 21504 21632 21696 21840 21970 22035 22464 22680 22815 23040 23296 23504 23660 23730 24192 24336 24408 24570 24960 25312 25538 25920 26208 26364 26442 26880 27040 27120 27378 27648 28080 28392 28476 28928 29120 29380 29484 29952 30240 30420 30510 30758 30849 31640 31941 32256 32448 32544 32760 32955 33280 33696 34560 34944 35152 35256 35490 35595 35840 36160 36288 36504 36612 36855 37440 37856 37968 38194 38307 39312 39546 39663 39936 40320 40560 40680 41132 41472 42120 42588 42714 43264 43392 43680 43940 44070 44928 45360 45630 45765 46080 46137 46592 47008 47320 47460 48384 48672 48816 49140 49920 50624 51076 51415 51840 52416 52728 52884 53235 53760 54080 54240 54756 56160 56784 56952 57291 57856 58240 58760 58968 59319 59904 60480 60840 61020 61516 61698 63280 63845 63882 64071 64512 64896 65088 65520 65910 66105 66560 67392 68445 69120 69888 70304 70512 70980 71190 72320 72576 73008 73224 73710 74880 75712 75936 76388 76614 76895 78624 79092 79326 80640 81120 81360 82264 82944 84240 85176 85428 86528 86784 87360 87880 88140 89383 89856 90720 91260 91530 92274 92547 93184 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48047440896 48189593088 48476435904 48942555480 49719421440 50271859456 51479400960 52205392512 53021101770 53543992320 53862706560 55439354880 55934349120 56555841888 58005991680 59663305728 60059301120 60236991360 60595544880 62839824320 63625322124 64635247872 65256740640 68842275840 69607190016 70694802360 71816942080 72071161344 72714653856 74579132160 75407789184 77341322240 78308088768 79531652655 80079068160 80315988480 80794059840 84833762832 86180330496 87008987520 89494958592 90088951680 90893317320 94259736480 96379186176 96952871808 97885110960 99438842880 100543718912 102958801920 104410785024 106042203540 107725413120 111868698240 113111683776 116011983360 120118602240 120473982720 121191089760 125679648640 127250644248 129270495744 130513481280 139214380032 141389604720 143633884160 144142322688 145429307712 149158264320 150815578368 156616177536 159063305310 160631976960 161588119680 169667525664 174017975040 178989917184 180177903360 181786634640 188519472960 193905743616 195770221920 201087437824 208821570048 212084407080 215450826240 223737396480 226223367552 232023966720 240237204480 240947965440 242382179520 251359297280 254501288496 258540991488 261026962560 282779209440 290858615424 298316528640 301631156736 313232355072 318126610620 323176239360 339335051328 348035950080 360355806720 363573269280 377038945920 387811487232 391540443840 417643140096 424168814160 430901652480 447474792960 452446735104 481895930880 484764359040 502718594560 509002576992 522053925120 565558418880 581717230848 603262313472 626464710144 636253221240 646352478720 678670102656 696071900160 720711613440 727146538560 754077891840 775622974464 783080887680 848337628320 894949585920 904893470208 969528718080 1005437189120 1018005153984 1044107850240 1131116837760 1163434461696 1252929420288 1272506442480 1292704957440 1357340205312 1454293077120 1508155783680 1566161775360 1696675256640 1809786940416 1939057436160 2036010307968 2088215700480 2262233675520 2326868923392 2545012884960 2714680410624 2908586154240 3016311567360 3132323550720 3393350513280 3878114872320 4072020615936 4524467351040 5090025769920 5429360821248 5817172308480 6264647101440 6786701026560 8144041231872 9048934702080 10180051539840 11634344616960 13573402053120 16288082463744 20360103079680 27146804106240 40720206159360 81440412318720
- Sum of all divisors σ(n): 364534313183040
- Sum of proper divisors (its aliquot sum) s(n): 283093900864320
- 81440412318720 is an abundant number, because the sum of its proper divisors (283093900864320) is greater than itself. Its abundance is 201653488545600
Bases of 81440412318720
- Binary: 100101000010001110100101101100010111100000000002
- Hexadecimal: 0x4A11D2D8BC00
- Base-36: SV97IRK00
Squares and roots of 81440412318720
- 81440412318720 squared (814404123187202) is 6632540758643120326862438400
- 81440412318720 cubed (814404123187203) is 540156854104611670979986961198217166848000
-
The
square root of 81440412318720 is 9024434.1827463067 -
The
cube root of 81440412318720 is 43345.7632494983
Scales and comparisons
How big is 81440412318720?- 81,440,412,318,720 seconds is equal to 2,589,553 years, 10 weeks, 2 days, 19 hours, 12 minutes.
-
To count from 1 to 81,440,412,318,720 would take you about six million, four hundred seventy-three thousand, eight hundred eighty-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 81440412318720 cubic inches would be around 3612.1 feet tall.
Recreational maths with 81440412318720
- 81440412318720 backwards is 02781321404418
- 81440412318720 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81440412318720's digits is 45
- More coming soon!
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Cite this page
MLA style:
"Number 81440412318720 - Facts about the integer". Numbermatics.com. 2024. Web. 10 May 2024.
APA style:
Numbermatics. (2024). Number 81440412318720 - Facts about the integer. Retrieved 10 May 2024, from https://numbermatics.com/n/81440412318720/
Chicago style:
Numbermatics. 2024. "Number 81440412318720 - Facts about the integer". https://numbermatics.com/n/81440412318720/
The information we have on file for 81440412318720 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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