81442126036800

Names of 81442126036800

• Cardinal: 81442126036800 can be written as Eighty-one trillion, four hundred forty-two billion, one hundred twenty-six million, thirty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 8.14421260368 × 10¹³

Factors of 81442126036800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 45579

Divisors of 81442126036800

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 25 27 30 32 36 40 45 46 48 50 54 60 64 69 72 75 80 90 92 96 100 108 115 120 135 138 144 150 160 180 184 192 200 207 216 225 230 240 270 276 288 300 320 345 360 368 400 414 432 450 460 480 540 552 575 576 600 621 675 690 720 736 800 828 864 900 920 960 1035 1080 1104 1150 1200 1242 1350 1380 1440 1472 1600 1656 1725 1728 1800 1840 1877 2070 2160 2208 2300 2400 2484 2700 2760 2880 3105 3312 3450 3600 3680 3754 4140 4320 4416 4600 4800 4968 5175 5400 5520 5631 6210 6624 6900 7200 7360 7508 8280 8640 9200 9385 9936 10350 10800 11040 11262 12420 13248 13800 14400 15016 15525 16560 16893 18400 18770 19872 20700 21600 22080 22524 24840 27600 28155 30032 31050 33120 33786 36800 37540 39744 41400 43171 43200 43669 45048 46925 49680 50679 55200 56310 60064 62100 66240 67572 75080 82800 84465 86342 87338 90096 93850 99360 101358 110400 112620 120128 124200 129513 131007 135144 140775 150160 165600 168930 172684 174676 180192 187700 198720 202716 215855 218345 225240 248400 253395 259026 262014 270288 281550 300320 331200 337860 345368 349352 360384 375400 388539 393021 405432 422325 431710 436690 450480 496800 506790 518052 524028 540576 563100 600640 647565 655035 675720 690736 698704 750800 777078 786042 810864 844650 863420 873380 900960 993600 1004387 1013580 1036104 1048056 1079275 1081152 1091725 1126200 1165617 1179063 1266975 1295130 1310070 1351440 1381472 1397408 1501600 1554156 1572084 1621728 1689300 1726840 1746760 1801920 1942695 1965105 2008774 2027160 2072208 2096112 2158550 2183450 2252400 2331234 2358126 2533950 2590260 2620140 2702880 2762944 2794816 3003200 3013161 3108312 3144168 3237825 3243456 3275175 3378600 3453680 3493520 3885390 3930210 4017548 4054320 4144416 4192224 4317100 4366900 4504800 4662468 4716252 5021935 5067900 5180520 5240280 5405760 5828085 5895315 6026322 6216624 6288336 6475650 6550350 6757200 6907360 6987040 7770780 7860420 8035096 8108640 8288832 8384448 8634200 8733800 9009600 9039483 9324936 9432504 9713475 9825525 10043870 10135800 10361040 10480560 11656170 11790630 12052644 12433248 12576672 12951300 13100700 13514400 13814720 13974080 15065805 15541560 15720840 16070192 16217280 17268400 17467600 18078966 18649872 18865008 19426950 19651050 20087740 20271600 20722080 20961120 23312340 23581260 24105288 24866496 25109675 25153344 25902600 26201400 27028800 27118449 29140425 29476575 30131610 31083120 31441680 32140384 34536800 34935200 36157932 37299744 37730016 38853900 39302100 40175480 40543200 41444160 41922240 45197415 46624680 47162520 48210576 50219350 51805200 52402800 54236898 58280850 58953150 60263220 62166240 62883360 64280768 69073600 69870400 72315864 74599488 75329025 75460032 77707800 78604200 80350960 81086400 81966713 90394830 93249360 94325040 96421152 100438700 103610400 104805600 108473796 116561700 117906300 120526440 124332480 125766720 135592245 144631728 150658050 155415600 157208400 160701920 163933426 180789660 186498720 188650080 192842304 200877400 207220800 209611200 216947592 225987075 233123400 235812600 241052880 245900139 271184490 289263456 301316100 310831200 314416800 321403840 327866852 361579320 372997440 377300160 401754800 409833565 433895184 451974150 466246800 471625200 482105760 491800278 542368980 578526912 602632200 621662400 628833600 655733704 677961225 723158640 737700417 803509600 819667130 867790368 903948300 932493600 943250400 964211520 983600556 1084737960 1205264400 1229500695 1311467408 1355922450 1446317280 1475400834 1607019200 1639334260 1735580736 1807896600 1864987200 1885234399 1886500800 1967201112 2049167825 2169475920 2213101251 2410528800 2459001390 2622934816 2711844900 2892634560 2950801668 3278668520 3615793200 3688502085 3770468798 3934402224 4098335650 4338951840 4426202502 4821057600 4918002780 5245869632 5423689800 5655703197 5901603336 6147503475 6557337040 7231586400 7377004170 7540937596 7868804448 8196671300 8677903680 8852405004 9426171995 9836005560 10847379600 11065506255 11311406394 11803206672 12295006950 13114674080 14463172800 14754008340 15081875192 15737608896 16393342600 16967109591 17704810008 18442510425 18852343990 19672011120 21694759200 22131012510 22622812788 23606413344 24590013900 26229348160 28278515985 29508016680 30163750384 32786685200 33934219182 35409620016 36885020850 37704687980 39344022240 43389518400 44262025020 45245625576 47130859975 47212826688 49180027800 50901328773 55327531275 56557031970 59016033360 60327500768 65573370400 67868438364 70819240032 73770041700 75409375960 78688044480 84835547955 88524050040 90491251152 94261719950 98360055600 101802657546 110655062550 113114063940 118032066720 120655001536 131146740800 135736876728 141392579925 141638480064 147540083400 150818751920 169671095910 177048100080 180982502304 188523439900 196720111200 203605315092 221310125100 226228127880 236064133440 254506643865 271473753456 282785159850 295080166800 301637503840 339342191820 354096200160 361965004608 377046879800 393440222400 407210630184 424177739775 442620250200 452456255760 509013287730 542947506912 565570319700 590160333600 603275007680 678684383640 708192400320 754093759600 814421260368 848355479550 885240500400 904912511520 1018026575460 1085895013824 1131140639400 1180320667200 1272533219325 1357368767280 1508187519200 1628842520736 1696710959100 1770481000800 1809825023040 2036053150920 2262281278800 2545066438650 2714737534560 3016375038400 3257685041472 3393421918200 3540962001600 4072106301840 4524562557600 5090132877300 5429475069120 6786843836400 8144212603680 9049125115200 10180265754600 13573687672800 16288425207360 20360531509200 27147375345600 40721063018400 81442126036800
• Sum of all divisors σ(n): 309966976915200
• Sum of proper divisors (its aliquot sum) s(n): 228524850878400
• 81442126036800 is an abundant number, because the sum of its proper divisors (228524850878400) is greater than itself. Its abundance is 147082724841600

Bases of 81442126036800

• Binary: 10010100001001000111000111111011111111101000000₂
• Hexadecimal: 0x4A1238FDFF40
• Base-36: SV9ZV2HC0

Squares and roots of 81442126036800

• 81442126036800 squared (81442126036800²) is 6632819893394016474954240000
• 81442126036800 cubed (81442126036800³) is 540190953737189829476198864592556032000000
• The square root of 81442126036800 is 9024529.1310294965
• The cube root of 81442126036800 is 43346.0672832291

Scales and comparisons

• 81,442,126,036,800 seconds is equal to 2,589,607 years, 35 weeks, 6 days, 12 hours.
• To count from 1 to 81,442,126,036,800 would take you about six million, four hundred seventy-four thousand and nineteen 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 81442126036800 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81442126036800

• 81442126036800 backwards is 00863062124418
• 81442126036800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81442126036800's digits is 45
• More coming soon!