81990405432000
81,990,405,432,000 is an even composite number composed of five prime numbers multiplied together.
81990405432000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand and eight divisors.
Prime factorization of 81990405432000:
26 × 32 × 53 × 135 × 3067
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 13 × 13 × 13 × 13 × 13 × 3067)See below for interesting mathematical facts about the number 81990405432000 from the Numbermatics database.
Names of 81990405432000
- Cardinal: 81990405432000 can be written as Eighty-one trillion, nine hundred ninety billion, four hundred five million, four hundred thirty-two thousand.
Scientific notation
- Scientific notation: 8.1990405432 × 1013
Factors of 81990405432000
Divisors of 81990405432000
- Number of divisors d(n): 1008
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 30 32 36 39 40 45 48 50 52 60 64 65 72 75 78 80 90 96 100 104 117 120 125 130 144 150 156 160 169 180 192 195 200 208 225 234 240 250 260 288 300 312 320 325 338 360 375 390 400 416 450 468 480 500 507 520 576 585 600 624 650 676 720 750 780 800 832 845 900 936 960 975 1000 1014 1040 1125 1170 1200 1248 1300 1352 1440 1500 1521 1560 1600 1625 1690 1800 1872 1950 2000 2028 2080 2197 2250 2340 2400 2496 2535 2600 2704 2880 2925 3000 3042 3067 3120 3250 3380 3600 3744 3900 4000 4056 4160 4225 4394 4500 4680 4800 4875 5070 5200 5408 5850 6000 6084 6134 6240 6500 6591 6760 7200 7488 7605 7800 8000 8112 8450 8788 9000 9201 9360 9750 10140 10400 10816 10985 11700 12000 12168 12268 12480 12675 13000 13182 13520 14400 14625 15210 15335 15600 16224 16900 17576 18000 18402 18720 19500 19773 20280 20800 21125 21970 23400 24000 24336 24536 25350 26000 26364 27040 27603 28561 29250 30420 30670 31200 32448 32955 33800 35152 36000 36804 37440 38025 39000 39546 39871 40560 42250 43940 46005 46800 48672 49072 50700 52000 52728 54080 54925 55206 57122 58500 60840 61340 62400 63375 65910 67600 70304 72000 73608 76050 76675 78000 79092 79742 81120 84500 85683 87880 92010 93600 97344 98144 98865 101400 104000 105456 109850 110412 114244 117000 119613 121680 122680 126750 131820 135200 138015 140608 142805 147216 152100 153350 156000 158184 159484 162240 164775 169000 171366 175760 184020 187200 190125 196288 197730 199355 202800 210912 219700 220824 228488 230025 234000 239226 243360 245360 253500 257049 263640 270400 274625 276030 285610 294432 304200 306700 312000 316368 318968 329550 338000 342732 351520 358839 368040 371293 380250 383375 395460 398710 405600 421824 428415 439400 441648 456976 460050 468000 478452 486720 490720 494325 507000 514098 518323 527280 549250 552060 571220 588864 598065 608400 613400 632736 637936 659100 676000 685464 690075 703040 714025 717678 736080 742586 760500 766750 790920 797420 811200 823875 856830 878800 883296 913952 920100 936000 956904 981440 988650 996775 1014000 1028196 1036646 1054560 1098500 1104120 1113879 1142440 1150125 1196130 1216800 1226800 1265472 1275872 1285245 1318200 1352000 1370928 1380150 1428050 1435356 1472160 1485172 1521000 1533500 1554969 1581840 1594840 1647750 1713660 1757600 1766592 1794195 1827904 1840200 1856465 1913808 1977300 1993550 2028000 2056392 2073292 2109120 2142075 2197000 2208240 2227758 2284880 2300250 2392260 2433600 2453600 2471625 2551744 2570490 2591615 2636400 2741856 2760300 2856100 2870712 2944320 2970344 2990325 3042000 3067000 3109938 3163680 3189680 3295500 3341637 3427320 3450375 3515200 3570125 3588390 3680400 3712930 3827616 3954600 3987100 4056000 4112784 4146584 4284150 4394000 4416480 4455516 4569760 4600500 4664907 4784520 4907200 4943250 4983875 5140980 5183230 5272800 5483712 5520600 5569395 5712200 5741424 5940688 5980650 6084000 6134000 6219876 6327360 6379360 6426225 6591000 6683274 6738199 6854640 6900750 7140250 7176780 7360800 7425860 7655232 7774845 7909200 7974200 8225568 8293168 8568300 8788000 8832960 8911032 8970975 9139520 9201000 9282325 9329814 9569040 9886500 9967750 10281960 10366460 10545600 10710375 11041200 11138790 11424400 11482848 11881376 11961300 12168000 12268000 12439752 12758720 12852450 12958075 13182000 13366548 13476398 13709280 13801500 14280500 14353560 14721600 14851720 14951625 15549690 15818400 15948400 16451136 16586336 16708185 17136600 17576000 17822064 17941950 18402000 18564650 18659628 19138080 19773000 19935500 20214597 20563920 20732920 21420750 22082400 22277580 22848800 22965696 23324535 23762752 23922600 24536000 24879504 25704900 25916150 26364000 26733096 26952796 27418560 27603000 27846975 28561000 28707120 29703440 29903250 31099380 31636800 31896800 32131125 33172672 33416370 33690995 34273200 35644128 35883900 36804000 37129300 37319256 38276160 38874225 39546000 39871000 40429194 41127840 41465840 42841500 44164800 44555160 44854875 45697600 46411625 46649070 47845200 49759008 51409800 51832300 52728000 53466192 53905592 55206000 55693950 57122000 57414240 59406880 59806500 60643791 62198760 63793600 64262250 64790375 66832740 67381990 68546400 71288256 71767800 73608000 74258600 74638512 77748450 79092000 79742000 80858388 82255680 82931680 83540925 85683000 87596587 89110320 89709750 92823250 93298140 95690400 99518016 101072985 102819600 103664600 106932384 107811184 110412000 111387900 114244000 114828480 116622675 118813760 119613000 121287582 124397520 128524500 129580750 133665480 134763980 137092800 139234875 143535600 148517200 149277024 155496900 158184000 159484000 161716776 165863360 167081850 168454975 171366000 175193174 178220640 179419500 185646500 186596280 191380800 194371125 202145970 205639200 207329200 213864768 215622368 220824000 222775800 228488000 233245350 239226000 242575164 248795040 257049000 259161500 262789761 267330960 269527960 278469750 287071200 297034400 298554048 303218955 310993800 318968000 323433552 334163700 336909950 342732000 350386348 356441280 358839000 371293000 373192560 388742250 404291940 411278400 414658400 417704625 431244736 437982935 445551600 466490700 478452000 485150328 497590080 505364925 514098000 518323000 525579522 534661920 539055920 556939500 574142400 583113375 594068800 606437910 621987600 646867104 668327400 673819900 685464000 700772696 717678000 742586000 746385120 777484500 788369283 808583880 829316800 835409250 842274875 875965870 891103200 932981400 956904000 970300656 1010729850 1028196000 1036646000 1051159044 1069323840 1078111840 1113879000 1138755631 1166226750 1212875820 1243975200 1293734208 1313948805 1336654800 1347639800 1401545392 1435356000 1485172000 1492770240 1516094775 1554969000 1576738566 1617167760 1670818500 1684549750 1751931740 1782206400 1865962800 1940601312 2021459700 2056392000 2073292000 2102318088 2156223680 2189914675 2227758000 2277511262 2332453500 2425751640 2487950400 2526824625 2627897610 2673309600 2695279600 2803090784 2870712000 2970344000 3032189550 3109938000 3153477132 3234335520 3341637000 3369099500 3416266893 3503863480 3731925600 3881202624 3941846415 4042919400 4146584000 4204636176 4379829350 4455516000 4555022524 4664907000 4851503280 5053649250 5255795220 5346619200 5390559200 5606181568 5693778155 6064379100 6219876000 6306954264 6468671040 6569744025 6683274000 6738199000 6832533786 7007726960 7463851200 7580473875 7883692830 8085838800 8409272352 8759658700 8911032000 9110045048 9329814000 9703006560 10107298500 10248800679 10511590440 10781118400 10949573375 11387556310 12128758200 12439752000 12613908528 13139488050 13366548000 13476398000 13665067572 14015453920 15160947750 15767385660 16171677600 16818544704 17081334465 17519317400 18220090096 18659628000 19406013120 19709232075 20214597000 20497601358 21023180880 21899146750 22775112620 24257516400 25227817056 26278976100 26733096000 26952796000 27330135144 28030907840 28468890775 30321895500 31534771320 32343355200 32848720125 34162668930 35038634800 36440180192 37319256000 39418464150 40429194000 40995202716 42046361760 43798293500 45550225240 48515032800 50455634112 51244003395 52557952200 53905592000 54660270288 56937781550 60643791000 63069542640 65697440250 68325337860 70077269600 72880360384 78836928300 80858388000 81990405432 84092723520 85406672325 87596587000 91100450480 97030065600 98546160375 102488006790 105115904400 109320540576 113875563100 121287582000 126139085280 131394880500 136650675720 140154539200 142344453875 157673856600 161716776000 163980810864 170813344650 175193174000 182200900960 197092320750 204976013580 210231808800 218641081152 227751126200 242575164000 252278170560 256220016975 262789761000 273301351440 284688907750 315347713200 327961621728 341626689300 350386348000 364401801920 394184641500 409952027160 420463617600 427033361625 455502252400 485150328000 512440033950 525579522000 546602702880 569377815500 630695426400 655923243456 683253378600 700772696000 788369283000 819904054320 854066723250 911004504800 1024880067900 1051159044000 1093205405760 1138755631000 1261390852800 1281100084875 1366506757200 1576738566000 1639808108640 1708133446500 1822009009600 2049760135800 2102318088000 2277511262000 2562200169750 2733013514400 3153477132000 3279616217280 3416266893000 4099520271600 4555022524000 5124400339500 5466027028800 6306954264000 6832533786000 8199040543200 9110045048000 10248800679000 13665067572000 16398081086400 20497601358000 27330135144000 40995202716000 81990405432000
- Sum of all divisors σ(n): 317837989359072
- Sum of proper divisors (its aliquot sum) s(n): 235847583927072
- 81990405432000 is an abundant number, because the sum of its proper divisors (235847583927072) is greater than itself. Its abundance is 153857178495072
Bases of 81990405432000
- Binary: 100101010010001111000001111110110100010110000002
- Hexadecimal: 0x4A91E0FDA2C0
- Base-36: T29VEGQ80
Squares and roots of 81990405432000
- 81990405432000 squared (819904054320002) is 6722426582903735106624000000
- 81990405432000 cubed (819904054320003) is 551174481019131601219233508781568000000000
-
The
square root of 81990405432000 is 9054855.3512466449 -
The
cube root of 81990405432000 is 43443.1203435033
Scales and comparisons
How big is 81990405432000?- 81,990,405,432,000 seconds is equal to 2,607,041 years, 14 weeks, 3 days, 20 hours.
-
To count from 1 to 81,990,405,432,000 would take you about six million, five hundred seventeen thousand, six hundred three 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 81990405432000 cubic inches would be around 3620.3 feet tall.
Recreational maths with 81990405432000
- 81990405432000 backwards is 00023450409918
- 81990405432000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81990405432000's digits is 45
- More coming soon!
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The information we have on file for 81990405432000 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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