81427097292800

Names of 81427097292800

• Cardinal: 81427097292800 can be written as Eighty-one trillion, four hundred twenty-seven billion, ninety-seven million, two hundred ninety-two thousand, eight hundred.

Scientific notation

• Scientific notation: 8.14270972928 × 10¹³

Factors of 81427097292800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 6807

Divisors of 81427097292800

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 127 128 137 140 160 175 200 224 254 256 274 280 320 350 400 448 508 512 548 560 635 640 685 700 800 889 896 959 1016 1024 1096 1120 1270 1280 1370 1400 1600 1778 1792 1918 2032 2048 2192 2240 2540 2560 2740 2800 3175 3200 3425 3556 3584 3836 4064 4096 4384 4445 4480 4795 5080 5120 5480 5600 6350 6400 6529 6850 7112 7168 7672 8128 8768 8890 8960 9590 10160 10240 10960 11200 12700 12800 13058 13700 14224 14336 15344 16256 17399 17536 17780 17920 19180 20320 20480 21920 22225 22400 23975 25400 25600 26116 27400 28448 28672 30688 32512 32645 34798 35072 35560 35840 38360 40640 43840 44450 44800 45703 47950 50800 51200 52232 54800 56896 61376 65024 65290 69596 70144 71120 71680 76720 81280 86995 87680 88900 89600 91406 95900 101600 102400 104464 109600 113792 121793 122752 130048 130580 139192 140288 142240 143360 153440 162560 163225 173990 175360 177800 179200 182812 191800 203200 208928 219200 227584 228515 243586 245504 260096 261160 278384 280576 284480 306880 325120 326450 347980 350720 355600 358400 365624 383600 406400 417856 434975 438400 455168 457030 487172 491008 520192 522320 556768 561152 568960 608965 613760 650240 652900 695960 701440 711200 716800 731248 767200 812800 829183 835712 869950 876800 894473 910336 914060 974344 982016 1044640 1113536 1137920 1142575 1217930 1227520 1300480 1305800 1391920 1402880 1422400 1462496 1534400 1625600 1658366 1671424 1739900 1753600 1788946 1820672 1828120 1948688 1964032 2089280 2227072 2275840 2285150 2435860 2455040 2600960 2611600 2783840 2805760 2844800 2924992 3044825 3068800 3251200 3316732 3342848 3479800 3507200 3577892 3641344 3656240 3897376 3928064 4145915 4178560 4454144 4472365 4551680 4570300 4871720 4910080 5223200 5567680 5689600 5804281 5849984 6089650 6137600 6261311 6502400 6633464 6685696 6959600 7014400 7155784 7312480 7794752 8291830 8357120 8908288 8944730 9103360 9140600 9743440 9820160 10446400 11135360 11379200 11608562 11699968 12179300 12275200 12522622 13004800 13266928 13371392 13919200 14028800 14311568 14624960 15589504 16583660 16714240 17816576 17889460 18206720 18281200 19486880 19640320 20729575 20892800 22270720 22361825 22758400 23217124 23399936 24358600 24550400 25045244 26533856 26742784 27838400 28623136 29021405 29249920 31179008 31306555 33167320 33428480 35633152 35778920 36562400 38973760 41459150 41785600 44541440 44723650 45516800 46434248 46799872 48717200 49100800 50090488 53067712 55676800 57246272 58042810 58499840 62358016 62613110 66334640 66856960 71266304 71557840 73124800 77947520 82918300 83571200 89082880 89447300 91033600 92868496 93599744 97434400 98201600 100180976 106135424 111353600 113598071 114492544 116085620 116999680 124716032 125226220 132669280 133713920 143115680 145107025 146249600 155895040 156532775 165836600 167142400 178165760 178894600 185736992 187199488 194868800 200361952 212270848 222707200 227196142 228985088 232171240 233999360 249432064 250452440 265338560 286231360 290214050 292499200 311790080 313065550 331673200 334284800 356331520 357789200 371473984 389737600 400723904 424541696 445414400 454392284 457970176 464342480 467998720 498864128 500904880 530677120 567990355 572462720 580428100 584998400 623580160 626131100 663346400 668569600 715578400 742947968 779475200 795186497 801447808 849083392 890828800 908784568 915940352 928684960 935997440 1001809760 1061354240 1135980710 1144925440 1160856200 1169996800 1247160320 1252262200 1326692800 1431156800 1485895936 1558950400 1590372994 1602895616 1698166784 1781657600 1817569136 1831880704 1857369920 2003619520 2122708480 2271961420 2289850880 2321712400 2339993600 2494320640 2504524400 2653385600 2839951775 2862313600 2971791872 3117900800 3180745988 3205791232 3396333568 3635138272 3663761408 3714739840 3975932485 4007239040 4245416960 4543922840 4579701760 4643424800 4679987200 5009048800 5306771200 5679903550 5724627200 5943583744 6235801600 6361491976 6411582464 7270276544 7429479680 7951864970 8014478080 8490833920 9087845680 9159403520 9286849600 10018097600 10613542400 11359807100 11449254400 11887167488 12471603200 12722983952 12823164928 14540553088 14858959360 15903729940 16028956160 16981667840 18175691360 18318807040 18573699200 19879662425 20036195200 21227084800 22719614200 22898508800 23774334976 25445967904 25646329856 29081106176 29717918720 31807459880 32057912320 36351382720 37147398400 39759324850 40072390400 42454169600 45439228400 45797017600 50891935808 58162212352 59435837440 63614919760 64115824640 72702765440 74294796800 79518649700 80144780800 84908339200 90878456800 91594035200 101783871616 116324424704 118871674880 127229839520 128231649280 145405530880 148589593600 159037299400 160289561600 181756913600 203567743232 232648849408 254459679040 290811061760 297179187200 318074598800 320579123200 363513827200 407135486464 465297698816 508919358080 581622123520 594358374400 636149197600 641158246400 727027654400 814270972928 1017838716160 1163244247040 1272298395200 1454055308800 1628541945856 2035677432320 2326488494080 2544596790400 2908110617600 3257083891712 4071354864640 5089193580800 5816221235200 8142709729280 10178387161600 11632442470400 16285419458560 20356774323200 40713548646400 81427097292800
• Sum of all divisors σ(n): 234310010818560
• Sum of proper divisors (its aliquot sum) s(n): 152882913525760
• 81427097292800 is an abundant number, because the sum of its proper divisors (152882913525760) is greater than itself. Its abundance is 71455816232960

Bases of 81427097292800

• Binary: 10010100000111010111001001101011001000000000000₂
• Hexadecimal: 0x4A0EB9359000
• Base-36: SV33BCC8W

Squares and roots of 81427097292800

• 81427097292800 squared (81427097292800²) is 6630372173531117088931840000
• 81427097292800 cubed (81427097292800³) is 539891960061592076128721645707722752000000
• The square root of 81427097292800 is 9023696.4317734005
• The cube root of 81427097292800 is 43343.4008620745

Scales and comparisons

• 81,427,097,292,800 seconds is equal to 2,589,129 years, 42 weeks, 5 days, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 81,427,097,292,800 would take you about six million, four hundred seventy-two thousand, eight hundred twenty-four 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 81427097292800 cubic inches would be around 3612 feet tall.

Recreational maths with 81427097292800

• 81427097292800 backwards is 00829279072418
• The number of decimal digits it has is: 14
• The sum of 81427097292800's digits is 59
• More coming soon!