21049141613749920

Names of 21049141613749920

• Cardinal: 21049141613749920 can be written as Twenty-one quadrillion, forty-nine trillion, one hundred forty-one billion, six hundred thirteen million, seven hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.104914161374992 × 10¹⁶

Factors of 21049141613749920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5252410915

Divisors of 21049141613749920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 23 24 30 32 33 36 40 44 45 46 48 55 60 66 69 72 80 88 90 92 96 99 110 115 120 121 132 138 144 160 165 176 180 184 198 207 220 230 240 242 253 264 276 288 330 345 352 360 363 368 396 414 440 460 480 484 495 506 528 552 605 660 690 720 726 736 759 792 828 880 920 968 990 1012 1035 1056 1089 1104 1210 1265 1320 1380 1440 1452 1518 1584 1656 1760 1815 1840 1936 1980 2024 2070 2178 2208 2277 2420 2530 2640 2760 2783 2904 3036 3168 3312 3630 3680 3795 3872 3960 4048 4140 4356 4554 4840 5060 5280 5445 5520 5566 5808 6072 6624 7260 7590 7920 8096 8280 8349 8712 9108 9680 10120 10890 11040 11132 11385 11616 12144 13915 14520 15180 15840 16560 16698 17424 18216 19360 20240 21780 22264 22770 24288 25047 27830 29040 30360 33120 33396 34848 36432 40480 41745 43560 44528 45540 50094 55660 58080 60720 66792 72864 83490 87120 89056 91080 100188 111320 121440 125235 133584 166980 174240 182160 200376 222640 250470 267168 333960 364320 400752 445280 500940 667920 801504 1001880 1335840 2003760 4007520 5252410871 10504821742 15757232613 21009643484 26262054355 31514465226 42019286968 47271697839 52524108710 57776519581 63028930452 78786163065 84038573936 94543395678 105048217420 115553039162 120805450033 126057860904 157572326130 168077147872 173329558743 189086791356 210096434840 231106078324 236358489195 241610900066 252115721808 288882597905 315144652260 346659117486 362416350099 378173582712 420192869680 462212156648 472716978390 483221800132 504231443616 519988676229 577765195810 604027250165 630289304520 635541715391 693318234972 724832700198 756347165424 840385739360 866647793715 924424313296 945433956780 966443600264 1039977352458 1087249050297 1155530391620 1208054500330 1260578609040 1271083430782 1328859950363 1386636469944 1449665400396 1512694330848 1733295587430 1812081750495 1848848626592 1890867913560 1906625146173 1932887200528 2079954704916 2174498100594 2311060783240 2416109000660 2521157218080 2542166861564 2599943381145 2657719900726 2773272939888 2899330800792 3177708576955 3466591174860 3624163500990 3781735827120 3813250292346 3865774401056 3986579851089 4159909409832 4348996201188 4622121566480 4832218001320 5084333723128 5199886762290 5315439801452 5436245251485 5546545879776 5719875438519 5798661601584 6355417153910 6644299751815 6933182349720 7248327001980 7563471654240 7626500584692 7973159702178 8319818819664 8697992402376 9244243132960 9533125730865 9664436002640 10168667446256 10399773524580 10630879602904 10872490502970 11439750877038 11597323203168 11959739553267 12710834307820 13288599503630 13866364699440 14496654003960 14617459453993 15253001169384 15946319404356 16639637639328 17395984804752 19066251461730 19328872005280 19932899255445 20337334892512 20799547049160 21261759205808 21744981005940 22879501754076 23919479106534 25421668615640 26577199007260 27732729398880 28599377192595 28993308007920 29234918907986 30506002338768 31892638808712 34791969609504 38132502923460 39865798510890 41599094098320 42523518411616 43489962011880 43852378361979 45759003508152 47838958213068 50843337231280 53154398014520 57198754385190 57986616015840 58469837815972 59798697766335 61012004677536 63785277617424 73087297269965 76265005846920 79731597021780 83198188196640 86979924023760 87704756723958 91518007016304 95677916426136 101686674462560 106308796029040 114397508770380 116939675631944 119597395532670 127570555234848 131557135085937 146174594539930 152530011693840 159463194043560 173959848047520 175409513447916 183036014032608 191355832852272 212617592058080 219261891809895 228795017540760 233879351263888 239194791065340 263114270171874 292349189079860 305060023387680 318926388087120 350819026895832 382711665704544 438523783619790 457590035081520 467758702527776 478389582130680 526228540343748 584698378159720 637852776174240 657785675429685 701638053791664 877047567239580 915180070163040 956779164261360 1052457080687496 1169396756319440 1315571350859370 1403276107583328 1754095134479160 1913558328522720 2104914161374992 2338793512638880 2631142701718740 3508190268958320 4209828322749984 5262285403437480 7016380537916640 10524570806874960 21049141613749920
• Sum of all divisors σ(n): 82386627703825536
• Sum of proper divisors (its aliquot sum) s(n): 61337486090075616
• 21049141613749920 is an abundant number, because the sum of its proper divisors (61337486090075616) is greater than itself. Its abundance is 40288344476325696

Bases of 21049141613749920

• Binary: 1001010110010000001010100110000101101101110011010100000₂
• Hexadecimal: 0x4AC81530B6E6A0
• Base-36: 5R9AQ5W3FS0

Squares and roots of 21049141613749920

• 21049141613749920 squared (21049141613749920²) is 443066362675698586326404300006400
• 21049141613749920 cubed (21049141613749920³) is 9326166612249861463986149435784747518983999488000
• The square root of 21049141613749920 is 145083223.0609380969
• The cube root of 21049141613749920 is 276107.4531447945

Scales and comparisons

• 21,049,141,613,749,920 seconds is equal to 669,297,594 years, 2 weeks, 3 days, 5 hours, 12 minutes.
• To count from 1 to 21,049,141,613,749,920 would take you about two billion, seven million, eight hundred ninety-two thousand, seven hundred eighty-two 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 21049141613749920 cubic inches would be around 23009 feet tall.

Recreational maths with 21049141613749920

• 21049141613749920 backwards is 02994731614194012
• The number of decimal digits it has is: 17
• The sum of 21049141613749920's digits is 63
• More coming soon!