81333200076800

Names of 81333200076800

• Cardinal: 81333200076800 can be written as Eighty-one trillion, three hundred thirty-three billion, two hundred million, seventy-six thousand, eight hundred.

Scientific notation

• Scientific notation: 8.13332000768 × 10¹³

Factors of 81333200076800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 3345

Divisors of 81333200076800

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 61 64 70 80 100 112 122 128 140 149 160 175 200 224 244 256 280 298 305 320 350 400 427 448 488 512 560 596 610 640 700 745 800 854 896 976 1024 1043 1120 1192 1220 1280 1400 1490 1525 1600 1708 1792 1952 2048 2086 2135 2240 2384 2440 2560 2800 2980 3050 3121 3200 3416 3584 3725 3904 4096 4172 4270 4480 4768 4880 5120 5215 5600 5960 6100 6242 6400 6832 7168 7450 7808 8192 8344 8540 8960 9089 9536 9760 10240 10430 10675 11200 11920 12200 12484 12800 13664 14336 14900 15605 15616 16384 16688 17080 17920 18178 19072 19520 20480 20860 21350 21847 22400 23840 24400 24968 25600 26075 27328 28672 29800 31210 31232 33376 34160 35840 36356 38144 39040 40960 41720 42700 43694 44800 45445 47680 48800 49936 51200 52150 54656 57344 59600 62420 62464 63623 66752 68320 71680 72712 76288 78025 78080 81920 83440 85400 87388 89600 90890 95360 97600 99872 102400 104300 109235 109312 114688 119200 124840 124928 127246 133504 136640 143360 145424 152576 156050 156160 166880 170800 174776 179200 181780 190381 190720 195200 199744 204800 208600 218470 218624 227225 238400 249680 249856 254492 267008 273280 286720 290848 305152 312100 312320 318115 333760 341600 349552 358400 363560 380762 381440 390400 399488 409600 417200 436940 437248 454450 465029 476800 499360 499712 508984 534016 546175 546560 573440 581696 610304 624200 624640 636230 667520 683200 699104 716800 727120 761524 762880 780800 798976 834400 873880 874496 908900 930058 951905 953600 998720 999424 1017968 1068032 1092350 1093120 1163392 1220608 1248400 1249280 1272460 1332667 1335040 1366400 1398208 1433600 1454240 1523048 1525760 1561600 1590575 1597952 1668800 1747760 1748992 1817800 1860116 1903810 1907200 1997440 2035936 2136064 2184700 2186240 2325145 2326784 2441216 2496800 2498560 2544920 2665334 2670080 2732800 2796416 2867200 2908480 3046096 3051520 3123200 3181150 3195904 3255203 3337600 3495520 3497984 3635600 3720232 3807620 3814400 3994880 4071872 4272128 4369400 4372480 4650290 4653568 4759525 4993600 4997120 5089840 5330668 5340160 5465600 5592832 5816960 6092192 6103040 6246400 6362300 6391808 6510406 6663335 6675200 6991040 6995968 7271200 7440464 7615240 7628800 7989760 8143744 8544256 8738800 8744960 9300580 9307136 9519050 9987200 10179680 10661336 10680320 10931200 11185664 11625725 11633920 12184384 12206080 12492800 12724600 12783616 13020812 13326670 13350400 13982080 14542400 14880928 15230480 15257600 15979520 16276015 16287488 17088512 17477600 17489920 18601160 18614272 19038100 19974400 20359360 21322672 21360640 21862400 22371328 23251450 23267840 24368768 24985600 25449200 25567232 26041624 26653340 26700800 27964160 28366769 29084800 29761856 30460960 30515200 31959040 32552030 32574976 33316675 34955200 34979840 37202320 37228544 38076200 39948800 40718720 42645344 42721280 43724800 44742656 46502900 46535680 48737536 50898400 51134464 52083248 53306680 53401600 55928320 56733538 58169600 59523712 60921920 61030400 63918080 65104060 65149952 66633350 69910400 74404640 74457088 76152400 79897600 81380075 81437440 85290688 85442560 87449600 89485312 93005800 93071360 97475072 101796800 104166496 106613360 106803200 111856640 113467076 116339200 119047424 121843840 127836160 130208120 130299904 133266700 139820800 141833845 148809280 148914176 152304800 159795200 162760150 162874880 170581376 174899200 178970624 186011600 186142720 194950144 198567383 203593600 208332992 213226720 213606400 223713280 226934152 232678400 238094848 243687680 255672320 260416240 260599808 266533400 279641600 283667690 297618560 304609600 319590400 325520300 325749760 341162752 357941248 372023200 372285440 389900288 397134766 407187200 416665984 426453440 427212800 447426560 453868304 465356800 476189696 487375360 520832480 521199616 533066800 559283200 567335380 595237120 609219200 639180800 651040600 651499520 682325504 709169225 744046400 744570880 779800576 794269532 814374400 833331968 852906880 894853120 907736608 930713600 952379392 974750720 992836915 1041664960 1042399232 1066133600 1118566400 1134670760 1190474240 1218438400 1278361600 1302081200 1302999040 1364651008 1418338450 1488092800 1559601152 1588539064 1628748800 1666663936 1705813760 1789706240 1815473216 1861427200 1904758784 1949501440 1985673830 2083329920 2132267200 2237132800 2269341520 2380948480 2436876800 2604162400 2605998080 2729302016 2836676900 2976185600 3119202304 3177078128 3257497600 3333327872 3411627520 3630946432 3722854400 3809517568 3899002880 3971347660 4166659840 4264534400 4474265600 4538683040 4761896960 4873753600 4964184575 5208324800 5211996160 5458604032 5673353800 5952371200 6354156256 6514995200 6666655744 6823255040 7261892864 7619035136 7798005760 7942695320 8333319680 8529068800 8948531200 9077366080 9523793920 9747507200 9928369150 10416649600 10917208064 11346707600 11904742400 12708312512 13029990400 13333311488 13646510080 14523785728 15596011520 15885390640 16666639360 17058137600 18154732160 19047587840 19495014400 19856738300 20833299200 21834416128 22693415200 23809484800 25416625024 26059980800 26666622976 27293020160 29047571456 31770781280 33333278720 34116275200 36309464320 38095175680 38990028800 39713476600 41666598400 45386830400 47618969600 50833250048 53333245952 54586040320 58095142912 63541562560 66666557440 68232550400 72618928640 77980057600 79426953200 83333196800 90773660800 95237939200 101666500096 109172080640 116190285824 127083125120 133333114880 136465100800 145237857280 158853906400 166666393600 181547321600 190475878400 203333000192 232380571648 254166250240 266666229760 272930201600 290475714560 317707812800 333332787200 363094643200 406666000384 464761143296 508332500480 545860403200 580951429120 635415625600 666665574400 726189286400 813332000768 1016665000960 1161902858240 1270831251200 1333331148800 1452378572800 1626664001536 2033330001920 2323805716480 2541662502400 2904757145600 3253328003072 4066660003840 5083325004800 5809514291200 8133320007680 10166650009600 11619028582400 16266640015360 20333300019200 40666600038400 81333200076800
• Sum of all divisors σ(n): 235941431073600
• Sum of proper divisors (its aliquot sum) s(n): 154608230996800
• 81333200076800 is an abundant number, because the sum of its proper divisors (154608230996800) is greater than itself. Its abundance is 73275030920000

Bases of 81333200076800

• Binary: 10010011111100011011100011111111100000000000000₂
• Hexadecimal: 0x49F8DC7FC000
• Base-36: STVYFD4OW

Squares and roots of 81333200076800

• 81333200076800 squared (81333200076800²) is 6615089434732779525898240000
• 81333200076800 cubed (81333200076800³) is 538026392521046972323264201156984832000000
• The square root of 81333200076800 is 9018492.1176879675
• The cube root of 81333200076800 is 43326.7340514071

Scales and comparisons

• 81,333,200,076,800 seconds is equal to 2,586,144 years, 9 weeks, 3 days, 8 hours, 53 minutes, 20 seconds.
• To count from 1 to 81,333,200,076,800 would take you about six million, four hundred sixty-five thousand, three hundred sixty 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 81333200076800 cubic inches would be around 3610.6 feet tall.

Recreational maths with 81333200076800

• 81333200076800 backwards is 00867000233318
• The number of decimal digits it has is: 14
• The sum of 81333200076800's digits is 41
• More coming soon!