21081639908377440
21,081,639,908,377,440 is an even composite number composed of seven prime numbers multiplied together.
21081639908377440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, nine hundred forty-four divisors.
Prime factorization of 21081639908377440:
25 × 32 × 5 × 72 × 192 × 31 × 51672
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 19 × 19 × 31 × 5167 × 5167)See below for interesting mathematical facts about the number 21081639908377440 from the Numbermatics database.
Names of 21081639908377440
- Cardinal: 21081639908377440 can be written as Twenty-one quadrillion, eighty-one trillion, six hundred thirty-nine billion, nine hundred eight million, three hundred seventy-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.108163990837744 × 1016
Factors of 21081639908377440
Divisors of 21081639908377440
- Number of divisors d(n): 1944
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 31 32 35 36 38 40 42 45 48 49 56 57 60 62 63 70 72 76 80 84 90 93 95 96 98 105 112 114 120 124 126 133 140 144 147 152 155 160 168 171 180 186 190 196 210 217 224 228 240 245 248 252 266 279 280 285 288 294 304 310 315 336 342 360 361 372 380 392 399 420 434 441 456 465 480 490 496 504 532 558 560 570 588 589 608 620 630 651 665 672 684 720 722 735 744 760 784 798 840 855 868 882 912 930 931 980 992 1008 1064 1083 1085 1116 1120 1140 1176 1178 1197 1240 1260 1302 1330 1368 1395 1440 1444 1470 1488 1519 1520 1568 1596 1680 1710 1736 1764 1767 1805 1824 1860 1862 1953 1960 1995 2016 2128 2166 2170 2205 2232 2280 2352 2356 2394 2480 2520 2527 2604 2660 2736 2790 2793 2888 2940 2945 2976 3038 3040 3192 3249 3255 3360 3420 3472 3528 3534 3610 3720 3724 3906 3920 3990 4123 4256 4332 4340 4410 4464 4557 4560 4655 4704 4712 4788 4960 5040 5054 5167 5208 5301 5320 5415 5472 5580 5586 5776 5880 5890 5985 6076 6384 6498 6510 6840 6944 7056 7068 7220 7440 7448 7581 7595 7812 7840 7980 8246 8379 8664 8680 8820 8835 8928 9114 9120 9310 9424 9576 9765 10080 10108 10334 10416 10602 10640 10830 11160 11172 11191 11552 11760 11780 11970 12152 12369 12635 12768 12996 13020 13671 13680 13965 14112 14136 14440 14880 14896 15162 15190 15501 15624 15960 16245 16492 16758 17328 17360 17640 17670 17689 18228 18620 18848 19152 19530 20216 20615 20668 20832 21204 21280 21660 22320 22344 22382 22743 22785 23520 23560 23940 24304 24738 25270 25835 25992 26040 26505 27342 27360 27930 28272 28861 28880 29792 30324 30380 31002 31248 31920 32490 32984 33516 33573 34656 34720 35280 35340 35378 36169 36456 37107 37240 37905 38304 39060 40432 41230 41336 41895 42408 43320 44640 44688 44764 45486 45570 46503 47120 47880 48608 49476 50540 51670 51984 52080 53010 53067 54684 55860 55955 56544 57722 57760 60648 60760 61845 62004 62496 63840 64980 65968 67032 67146 68355 70560 70680 70756 72338 72912 74214 74480 75810 77505 78120 78337 80864 82460 82672 83790 84816 86583 86640 88445 89376 89528 90972 91140 93006 94240 95760 98173 98952 100719 101080 103340 103968 104160 106020 106134 108507 109368 111720 111910 113715 115444 121296 121520 123690 124008 129960 131936 134064 134292 136710 141360 141512 144305 144676 145824 148428 148960 151620 155010 156240 156674 159201 160177 164920 165344 167580 167865 169632 173166 173280 176890 179056 180845 181944 182280 185535 186012 191520 196346 197904 201438 202160 206680 212040 212268 217014 218736 223440 223820 227430 230888 232515 235011 242592 243040 247380 248016 253183 259749 259920 265335 268128 268584 273420 282720 283024 288610 289352 294519 296856 303240 310020 312480 313348 318402 320354 325521 329840 335160 335730 346332 353780 358112 361690 363888 364560 371070 372024 391685 392692 395808 402876 404320 413360 424080 424536 432915 434028 437472 446880 447640 454860 461776 465030 470022 480531 490865 494760 496032 503595 506366 519498 519840 530670 537168 542535 546840 548359 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269114721120 269862262012 272003611488 278085211824 283051019178 284065538960 289138137870 291432440880 297948441240 298268815908 298776075799 308414013728 313967174640 314501132420 319573731330 324432747128 330226189041 337327827515 340004514360 340878646752 346965765444 347606514780 364986840519 365227121520 372836019885 376760609568 377401358904 385517517160 397264588320 397691754544 404793393018 405540933910 408005417232 417127817736 426098308440 433707206805 440301585388 447403223862 453339352480 462621020592 463475353040 470950761960 471751698630 472258958521 486649120692 497114693180 503201811872 510006771540 511317970128 521409772170 539724524024 550376981735 556170423648 566102038356 568131077920 578276275740 582864881760 595896882480 596537631816 597552151598 607190089527 608311400865 627934349280 629002264840 639147462660 648865494256 660452378082 674655655030 680009028720 693931530888 695213029560 707627547945 729973681038 730454243040 745672039770 754802717808 770527774429 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2264408153424 2311583323287 2313105102960 2361294792605 2386150527264 2390208606392 2428760358108 2433245603460 2516009059360 2556589850640 2641809512328 2688984682191 2698622620120 2775726123552 2780852118240 2830510191780 2833553751126 2919894724152 2982688159080 2987760757990 3035950447635 3082111097716 3238347144144 3244327471280 3302261890410 3469657654440 3522412683104 3579225790896 3585312909588 3649868405190 3774013589040 3778071668168 3852638872145 3893192965536 3962714268492 3976917545440 4047933930180 4080054172320 4171278177360 4182865061186 4250330626689 4403015853880 4474032238620 4481641136985 4528816306848 4623166646574 4626210205920 4722589585210 4780417212784 4857520716216 4866491206920 4953392835615 5113179701280 5283619024656 5377969364382 5397245240240 5661020383560 5667107502252 5839789448304 5965376318160 5975521515980 6071900895270 6164222195432 6274297591779 6476694288288 6488654942560 6604523780820 6934749969861 6939315308880 7083884377815 7158451581792 7170625819176 7299736810380 7548027178080 7556143336336 7705277744290 7925428536984 8095867860360 8342556354720 8365730122372 8500661253378 8806031707760 8948064477240 8963282273970 9246333293148 9445179170420 9560834425568 9715041432432 9732982413840 9906785671230 10457162652965 10567238049312 10755938728764 10794490480480 11322040767120 11334215004504 11557916616435 11679578896608 11930752636320 11951043031960 12143801790540 12328444390864 12548595183558 13209047561640 13444923410955 13869499939722 13878630617760 14167768755630 14341251638352 14599473620760 14640027714151 15112286672672 15410555488580 15850857073968 16191735720720 16731460244744 17001322506756 17612063415520 17896128954480 17926564547940 18492666586296 18822892775337 18890358340840 19430082864864 19465964827680 19813571342460 20914325305930 21251653133445 21511877457528 22644081534240 22668430009008 23115833232870 23902086063920 24287603581080 24656888781728 25097190367116 26418095123280 26889846821910 27738999879444 28335537511260 28682503276704 29198947241520 29280055428302 30821110977160 31371487958895 31701714147936 32383471441440 33462920489488 34002645013512 34673749849305 35792257908960 35853129095880 36985333172592 37645785550674 37780716681680 39627142684920 41828650611860 42503306266890 43023754915056 43920083142453 45336860018016 46231666465740 47804172127840 48575207162160 50194380734232 52836190246560 53779693643820 55477999758888 56671075022520 58397894483040 58560110856604 61642221954320 62742975917790 66925840978976 68005290027024 69347499698610 71706258191760 73200138570755 73970666345184 75291571101348 75561433363360 79254285369840 83657301223720 85006612533780 86047509830112 87840166284906 92463332931480 94114463876685 97150414324320 100388761468464 107559387287640 110955999517776 113342150045040 117120221713208 123284443908640 125485951835580 131760249427359 136010580054048 138694999397220 143412516383520 146400277141510 150583142202696 158508570739680 167314602447440 170013225067560 175680332569812 184926665862960 188228927753370 200777522936928 215118774575280 219600415712265 221911999035552 226684300090080 234240443426416 250971903671160 263520498854718 277389998794440 292800554283020 301166284405392 334629204894880 340026450135120 351360665139624 369853331725920 376457855506740 430237549150560 439200831424530 468480886852832 501943807342320 527040997709436 554779997588880 585601108566040 602332568810784 658801247136795 680052900270240 702721330279248 752915711013480 878401662849060 1003887614684640 1054081995418872 1109559995177760 1171202217132080 1317602494273590 1405442660558496 1505831422026960 1756803325698120 2108163990837744 2342404434264160 2635204988547180 3011662844053920 3513606651396240 4216327981675488 5270409977094360 7027213302792480 10540819954188720 21081639908377440
- Sum of all divisors σ(n): 91189733104072512
- Sum of proper divisors (its aliquot sum) s(n): 70108093195695072
- 21081639908377440 is an abundant number, because the sum of its proper divisors (70108093195695072) is greater than itself. Its abundance is 49026453287317632
Bases of 21081639908377440
- Binary: 10010101110010110100011110010100000010110000011011000002
- Hexadecimal: 0x4AE5A3CA058360
- Base-36: 5RKTFO9MVS0
Squares and roots of 21081639908377440
- 21081639908377440 squared (210816399083774402) is 444435541226492356797893500953600
- 21081639908377440 cubed (210816399083774403) is 9369430042621748286607973995187046739268726784000
-
The
square root of 21081639908377440 is 145195178.6678105921 -
The
cube root of 21081639908377440 is 276249.4764727461
Scales and comparisons
How big is 21081639908377440?- 21,081,639,908,377,440 seconds is equal to 670,330,939 years, 15 weeks, 1 day, 12 hours, 24 minutes.
-
To count from 1 to 21,081,639,908,377,440 would take you about two billion, ten million, nine hundred ninety-two thousand, eight hundred seventeen 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 21081639908377440 cubic inches would be around 23020.8 feet tall.
Recreational maths with 21081639908377440
- 21081639908377440 backwards is 04477380993618012
- 21081639908377440 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21081639908377440's digits is 72
- More coming soon!
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The information we have on file for 21081639908377440 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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