81388023383085440
81,388,023,383,085,440 is an even composite number composed of five prime numbers multiplied together.
81388023383085440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.
Prime factorization of 81388023383085440:
27 × 5 × 75 × 175 × 732
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 7 × 7 × 17 × 17 × 17 × 17 × 17 × 73 × 73)See below for interesting mathematical facts about the number 81388023383085440 from the Numbermatics database.
Names of 81388023383085440
- Cardinal: 81388023383085440 can be written as Eighty-one quadrillion, three hundred eighty-eight trillion, twenty-three billion, three hundred eighty-three million, eighty-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 8.138802338308544 × 1016
Factors of 81388023383085440
Divisors of 81388023383085440
- Number of divisors d(n): 1728
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 73 80 85 98 112 119 128 136 140 146 160 170 196 224 238 245 272 280 289 292 320 340 343 365 392 448 476 490 511 544 560 578 584 595 640 680 686 730 784 833 896 952 980 1022 1088 1120 1156 1168 1190 1241 1360 1372 1445 1460 1568 1666 1715 1904 1960 2023 2044 2176 2240 2312 2336 2380 2401 2482 2555 2720 2744 2890 2920 3136 3332 3430 3577 3808 3920 4046 4088 4165 4480 4624 4672 4760 4802 4913 4964 5110 5329 5440 5488 5780 5831 5840 6205 6272 6664 6860 7154 7616 7840 8092 8176 8330 8687 9248 9344 9520 9604 9826 9928 10115 10220 10658 10880 10976 11560 11662 11680 12005 12410 13328 13720 14161 14308 15232 15680 16184 16352 16660 16807 17374 17885 18496 19040 19208 19652 19856 20230 20440 21097 21316 21952 23120 23324 23360 24010 24565 24820 25039 26645 26656 27440 28322 28616 29155 31360 32368 32704 33320 33614 34391 34748 35770 36992 37303 38080 38416 39304 39712 40460 40817 40880 42194 42632 43435 43904 46240 46648 46720 48020 49130 49640 50078 53290 53312 54880 56644 57232 58310 60809 64736 65408 66640 67228 68782 69496 70805 71540 74606 76160 76832 78608 79424 80920 81634 81760 83521 84035 84388 85264 86870 90593 92480 93296 96040 98260 99127 99280 100156 105485 106580 106624 109760 113288 114464 116620 121618 125195 129472 133280 134456 137564 138992 141610 143080 147679 149212 153664 157216 158848 161840 163268 163520 167042 168070 168776 170528 171955 173740 175273 181186 184960 186515 186592 192080 196520 198254 198560 200312 204085 210970 213160 219520 226576 228928 233240 240737 243236 250390 258944 261121 266560 268912 275128 277984 283220 285719 286160 295358 298424 304045 307328 314432 323680 326536 327040 334084 336140 337552 341056 343910 347480 350546 358649 362372 373030 373184 384160 393040 396508 397120 400624 408170 417605 421940 425663 426320 452965 453152 457856 466480 481474 486472 495635 500780 522242 533120 537824 550256 555968 566440 571438 572320 584647 590716 596848 608090 628864 634151 647360 653072 668168 672280 675104 682112 687820 693889 694960 701092 717298 724744 738395 746060 746368 768320 786080 793016 794240 801248 816340 835210 843880 851326 852640 876365 905930 906304 932960 962948 972944 991270 1001560 1033753 1044484 1075648 1100512 1111936 1132880 1142876 1144640 1169294 1181432 1193696 1203685 1216180 1226911 1268302 1294720 1305605 1306144 1336336 1344560 1350208 1375640 1387778 1389920 1402184 1419857 1428595 1434596 1449488 1476790 1492120 1536640 1540081 1572160 1586032 1602496 1632680 1670420 1685159 1687760 1702652 1705280 1752730 1793245 1811860 1812608 1827847 1865920 1925896 1945888 1982540 2003120 2067506 2088968 2128315 2151296 2201024 2265760 2285752 2289280 2338588 2362864 2387392 2407370 2432360 2453822 2510543 2536604 2611210 2612288 2672672 2689120 2700416 2751280 2775556 2779840 2804368 2839714 2857190 2869192 2898976 2923235 2953580 2979641 2984240 3080162 3144320 3170755 3172064 3204992 3265360 3340840 3370318 3375520 3405304 3410560 3469445 3505460 3586490 3623720 3655694 3731840 3851792 3891776 3965080 4006240 4092529 4135012 4177936 4256630 4402048 4439057 4531520 4571504 4677176 4725728 4774784 4814740 4857223 4864720 4907644 5021086 5073208 5168765 5222420 5224576 5345344 5378240 5502560 5551112 5559680 5608736 5679428 5714380 5738384 5797952 5846470 5907160 5959282 5968480 6097033 6134555 6160324 6341510 6344128 6530720 6681680 6740636 6751040 6810608 6938890 7010920 7099285 7172980 7236271 7247440 7311388 7700405 7703584 7783552 7930160 8012480 8185058 8270024 8355872 8425795 8513260 8878114 9063040 9139235 9143008 9354352 9451456 9629480 9714446 9729440 9815288 9938999 10042172 10146416 10337530 10444840 10690688 10756480 10780567 11005120 11102224 11217472 11358856 11428760 11476768 11595904 11692940 11796113 11814320 11918564 11936960 12194066 12269110 12320648 12552715 12683020 12688256 12794929 13061440 13363360 13481272 13502080 13621216 13877780 14021840 14198570 14345960 14472542 14494880 14622776 14898205 15400810 15407168 15860320 16024960 16370116 16540048 16711744 16851590 17026520 17573801 17756228 18278470 18286016 18708704 18902912 19258960 19428892 19458880 19630576 19877998 20084344 20292832 20462645 20675060 20857487 20889680 21561134 22010240 22195285 22204448 22434944 22717712 22857520 22953536 23385880 23592226 23628640 23837128 23873920 24286115 24388132 24538220 24641296 25105430 25366040 25589858 26122880 26181377 26726720 26962544 27242432 27755560 28043680 28397140 28647703 28691920 28945084 28989760 29245552 29796410 30485165 30801620 30814336 31073399 31720640 32740232 33080096 33423488 33703180 34053040 35147602 35512456 36181355 36556940 36572032 37417408 38517920 38857784 38917760 39261152 39755996 40168688 40585664 40925290 41350120 41714974 41779360 42679231 43122268 44390570 44408896 45435424 45715040 45907072 46771760 47184452 47257280 47674256 48572230 48776264 49076440 49282592 49694995 50210860 50653897 50732080 51179716 52362754 53453440 53902835 53925088 54484864 55511120 56087360 56794280 57295406 57383840 57890168 57979520 58491104 58980565 59592820 60970330 61603240 62146798 63441280 63974645 65480464 66160192 67406360 68106080 69572993 70295204 71024912 72362710 73113880 74834816 75463969 77035840 77715568 78522304 79511992 80337376 81171328 81850580 82572791 82700240 83429948 83558720 85358462 86244536 87869005 88781140 88817792 89564503 90870848 91430080 93543520 94368904 94514560 95348512 97144460 97552528 98152880 98565184 99389990 100421720 101307794 101464160 102359432 103649561 104287435 104725508 107805670 107850176 111022240 112174720 113588560 114590812 114767680 115780336 116982208 117961130 119185640 121940660 123016607 123206480 124293596 127949290 130906885 130960928 132320384 134812720 136212160 139145986 140590408 142049824 143238515 144725420 146227760 150927938 154071680 155366995 155431136 157044608 159023984 160674752 163701160 165145582 165400480 166859896 167117440 170716924 172489072 175738010 177562280 179129006 181741696 182860160 183269639 187087040 188737808 190697024 194288920 195105056 196305760 197130368 198779980 200533921 200843440 202615588 202928320 204718864 207299122 208574870 209451016 213396155 215611340 215700352 217513793 222044480 227177120 229181624 229535360 231560672 233964416 235922260 238371280 243881320 246033214 246412960 248587192 253269485 255898580 261813770 261921856 269625440 272424320 278291972 281180816 284099648 286477030 289450840 292455520 298754617 301855876 310733990 310862272 318047968 321349504 327402320 330291164 330800960 333719792 341433848 344978144 347864965 351476020 354577279 355124560 358258012 366539278 374174080 377319845 377475616 381394048 388577840 390210112 392611520 397559960 401067842 401686880 405231176 405856640 409437728 412863955 414598244 417149740 418902032 426792310 431222680 435027586 444088960 445083409 447822515 454354240 458363248 463121344 471844520 476742560 487010951 487762640 492066428 492825920 497174384 506538970 511797160 518247805 523627540 523843712 528247783 539250880 556583944 562361632 568199296 572954060 578901680 584911040 597509234 603711752 615083035 621467980 621724544 636095936 654804640 660582328 661601920 667439584 682867696 689956288 695729930 702952040 709154558 710249120 716516024 725546927 733078556 754639690 754951232 777155680 780420224 785223040 795119920 802135684 803373760 810462352 818875456 825727910 829196488 834299480 837804064 853584620 861116249 862445360 870055172 890166818 895645030 908708480 916348195 916726496 926242688 943689040 953485120 974021902 975525280 984132856 985651840 994348768 1002669605 1013077940 1023594320 1036495610 1047255080 1056495566 1078501760 1087568965 1113167888 1124723264 1145908120 1157803360 1169822080 1195018468 1207423504 1230166070 1242935960 1272191872 1282887473 1309609280 1321164656 1334879168 1365735392 1379912576 1391459860 1403737447 1405904080 1418309116 1420498240 1433032048 1451093854 1466157112 1493773085 1509279380 1509902464 1522596551 1554311360 1590239840 1604271368 1606747520 1620924704 1637750912 1651455820 1658392976 1668598960 1675608128 1707169240 1722232498 1724890720 1740110344 1772886395 1780333636 1791290060 1832696390 1833452992 1887378080 1906970240 1948043804 1951050560 1968265712 1988697536 2005339210 2026155880 2047188640 2072991220 2091282319 2094510160 2112991132 2175137930 2225417045 2226335776 2249446528 2291816240 2315606720 2390036936 2414847008 2435054755 2460332140 2485871920 2565774946 2619218560 2641238915 2642329312 2669758336 2731470784 2782919720 2807474894 2811808160 2836618232 2840996480 2866064096 2902187708 2932314224 2987546170 3018558760 3045193102 3108622720 3115583863 3180479680 3208542736 3241849408 3302911640 3316785952 3337197920 3351216256 3409076657 3414338480 3444464996 3449781440 3480220688 3545772790 3560667272 3582580120 3627734635 3665392780 3666905984 3697734481 3774756160 3896087608 3902101120 3936531424 3977395072 4010678420 4052311760 4094377280 4145982440 4182564638 4189020320 4225982264 4305581245 4350275860 4450834090 4452671552 4583632480 4631213440 4780073872 4829694016 4870109510 4920664280 4971743840 5078828489 5131549892 5282477830 5284658624 5462941568 5565839440 5614949788 5623616320 5673236464 5732128192 5804375416 5864628448 5975092340 6027813743 6037117520 6090386204 6231167726 6360959360 6414437365 6417085472 6483698816 6605823280 6633571904 6674395840 6818153314 6828676960 6888929992 6899562880 6960441376 7018687235 7091545580 7121334544 7165160240 7255469270 7330785560 7395468962 7549512320 7566417953 7612982755 7792175216 7873062848 8021356840 8104623520 8188754560 8291964880 8365129276 8378040640 8451964528 8611162490 8700551720 8901668180 8905343104 8980212311 9167264960 9560147744 9659388032 9740219020 9841328560 9943487680 10157656978 10263099784 10456411595 10564955660 10569317248 11131678880 11229899576 11247232640 11346472928 11464256384 11608750832 11729256896 11950184680 12055627486 12074235040 12180772408 12462335452 12828874730 12834170944 13211646560 13267143808 13348791680 13636306628 13657353920 13777859984 13920882752 14037374470 14183091160 14242669088 14330320480 14510938540 14638976233 14661571120 14790937924 15132835906 15225965510 15577919315 15584350432 15746125696 16042713680 16209247040 16583929760 16730258552 16756081280 16903929056 17045383285 17222324980 17401103440 17803336360 17960424622 18334529920 18488672405 19120295488 19480438040 19682657120 19886975360 20315313956 20526199568 20912823190 21129911320 21809087041 22263357760 22459799152 22692945856 23217501664 23458513792 23863536599 23900369360 24111254972 24148470080 24361544816 24924670904 25394142445 25657749460 25668341888 25884141367 26423293120 27272613256 27314707840 27555719968 27841765504 28074748940 28366182320 28485338176 28660640960 29021877080 29277952466 29323142240 29581875848 30139068715 30265671812 30451931020 31155838630 31168700864 32085427360 32418494080 33167859520 33460517104 33807858112 34090766570 34444649960 34802206880 35551799423 35606672720 35920849244 36977344810 37832089765 38240590976 38960876080 39365314240 40630627912 41052399136 41825646380 42259822640 43618174082 44526715520 44901061555 44919598304 45385891712 46435003328 47727073198 47800738720 48222509944 48296940160 48723089632 49849341808 50788284890 51315498920 51768282734 52846586240 52964925671 54545226512 55111439936 56149497880 56732364640 56970676352 57321281920 58043754160 58555904932 58646284480 59163751696 60278137430 60531343624 60903862040 62311677260 62337401728 62861486177 64170854720 66335719040 66921034208 67615716224 68181533140 68889299920 69604413760 71103598846 71213345440 71841698488 73194881165 73954689620 75664179530 77921752160 78730628480 81261255824 82104798272 83651292760 84519645280 87236348164 89802123110 89839196608 92870006656 95454146396 95601477440 96445019888 97446179264 99698683616 101576569780 102472833631 102630997840 103536565468 105929851342 109045435205 109090453024 110222879872 112298995760 113464729280 116087508320 117111809864 117292568960 118327503392 119317682995 120556274860 121062687248 121807724080 124623354520 125722972354 128341709440 129420706835 133842068416 136363066280 137778599840 139208827520 142207197692 142426690880 143683396976 146389762330 147909379240 151328359060 152663609287 155843504320 162522511648 164209596544 167302585520 169039290560 174472696328 177758997115 179604246220 179678393216 190908292792 191202954880 192890039776 194892358528 199397367232 203153139560 204945667262 205261995680 207073130936 211859702684 218090870410 218180906048 224597991520 226929458560 232175016640 234223619728 236655006784 238635365990 241112549720 242125374496 243615448160 248862595961 249246709040 251445944708 258841413670 264824628355 267684136832 272726132560 275557199680 284414395384 284853381760 287366793952 292779524660 295818758480 302656718120 305327218574 311687008640 314307430885 325045023296 334605171040 338078581120 348945392656 355517994230 359208492440 370754479697 381816585584 385780079552 398794734464 406306279120 409891334524 410523991360 414146261872 423719405368 436181740820 436361812096 440030403239 449195983040 464350033280 468447239456 473310013568 477270731980 482225099440 484250748992 487230896320 497725191922 498493418080 502891889416 512364168155 517682827340 529649256710 545452265120 551114399360 568828790768 574733587904 585559049320 591637516960 605313436240 610654437148 628614861770 650090046592 669210342080 697890785312 711035988460 718416984880 741508959394 763318046435 763633171168 771560159104 812612558240 819782669048 821047982720 828292523744 847438810736 872363481640 880060806478 898391966080 936894478912 954541463960 964450198880 968501497984 974461792640 995450383844 996986836160 1005783778832 1024728336310 1035365654680 1059298513420 1068645265009 1090904530240 1137657581536 1149467175808 1171118098640 1183275033920 1210626872480 1221308874296 1244312979805 1257229723540 1338420684160 1395781570624 1422071976920 1436833969760 1483017918788 1526636092870 1527266342336 1625225116480 1639565338096 1656585047488 1694877621472 1742038171727 1744726963280 1760121612956 1853772398485 1873788957824 1909082927920 1928900397760 1990900767688 1993973672320 2011567557664 2049456672620 2070731309360 2118597026840 2137290530018 2181809060480 2200152016195 2275315163072 2342236197280 2366550067840 2421253744960 2442617748592 2488625959610 2514459447080 2595281357879 2791563141248 2844143953840 2873667939520 2966035837576 3053272185740 3054532684672 3250450232960 3279130676192 3313170094976 3389755242944 3484076343454 3489453926560 3520243225912 3707544796970 3818165855840 3857800795520 3981801535376 4023135115328 4098913345240 4141462618720 4237194053680 4274581060036 4400304032390 4550630326144 4684472394560 4842507489920 4885235497184 4977251919220 5028918894160 5190562715758 5343226325045 5688287907680 5747335879040 5932071675152 6106544371480 6558261352384 6779510485888 6968152686908 6978907853120 7040486451824 7415089593940 7480516855063 7636331711680 7963603070752 8046270230656 8197826690480 8282925237440 8474388107360 8549162120072 8710190858635 8800608064780 9368944789120 9770470994368 9954503838440 10057837788320 10381125431516 10686452650090 11376575815360 11864143350304 12213088742960 12976406789395 13116522704768 13936305373816 13957815706240 14080972903648 14830179187880 14961033710126 15272663423360 15927206141504 16395653380960 16565850474880 16948776214720 17098324240144 17420381717270 17601216129560 18166969505153 19540941988736 19909007676880 20115675576640 20762250863032 21372905300180 22753151630720 23728286700608 24426177485920 25952813578790 27872610747632 28161945807296 29660358375760 29922067420252 31854412283008 32791306761920 33897552429440 34196648480288 34840763434540 35202432259120 36333939010306 37402584275315 39818015353760 40231351153280 41524501726064 42745810600360 47456573401216 48852354971840 51905627157580 55745221495264 56323891614592 59320716751520 59844134840504 65582613523840 68393296960576 69681526869080 70404864518240 72667878020612 74805168550630 79636030707520 83049003452128 85491621200720 90834847525765 97704709943680 103811254315160 111490442990528 118641433503040 119688269681008 127168786536071 136786593921152 139363053738160 140809729036480 145335756041224 149610337101260 159272061415040 166098006904256 170983242401440 181669695051530 207622508630320 222980885981056 237282867006080 239376539362016 254337573072142 278726107476320 281619458072960 290671512082448 299220674202520 332196013808512 341966484802880 363339390103060 415245017260640 478753078724032 508675146144284 557452214952640 581343024164896 598441348405040 635843932680355 683932969605760 726678780206120 830490034521280 957506157448064 1017350292288568 1114904429905280 1162686048329792 1196882696810080 1271687865360710 1453357560412240 1660980069042560 2034700584577136 2325372096659584 2393765393620160 2543375730721420 2906715120824480 4069401169154272 4787530787240320 5086751461442840 5813430241648960 8138802338308544 10173502922885680 11626860483297920 16277604676617088 20347005845771360 40694011691542720 81388023383085440
- Sum of all divisors σ(n): 244530606049198560
- Sum of proper divisors (its aliquot sum) s(n): 163142582666113120
- 81388023383085440 is an abundant number, because the sum of its proper divisors (163142582666113120) is greater than itself. Its abundance is 81754559283027680
Bases of 81388023383085440
- Binary: 1001000010010010111111001110111101011100001010001100000002
- Hexadecimal: 0x12125F9DEB85180
- Base-36: M9DN9S1SPKW
Squares and roots of 81388023383085440
- 81388023383085440 squared (813880233830854402) is 6624010350205662350124694339993600
- 81388023383085440 cubed (813880233830854403) is 539115109272338421655272927700321522754757853184000
-
The
square root of 81388023383085440 is 285285862.5713609385 -
The
cube root of 81388023383085440 is 433364.6677764389
Scales and comparisons
How big is 81388023383085440?- 81,388,023,383,085,440 seconds is equal to 2,587,887,393 years, 46 weeks, 4 days, 7 hours, 17 minutes, 20 seconds.
-
To count from 1 to 81,388,023,383,085,440 would take you about seven billion, seven hundred sixty-three million, six hundred sixty-two thousand, one hundred eighty-one 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 81388023383085440 cubic inches would be around 36113.7 feet tall.
Recreational maths with 81388023383085440
- 81388023383085440 backwards is 04458038332088318
- 81388023383085440 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 81388023383085440's digits is 68
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 81388023383085440 - Facts about the integer". Numbermatics.com. 2024. Web. 20 June 2024.
APA style:
Numbermatics. (2024). Number 81388023383085440 - Facts about the integer. Retrieved 20 June 2024, from https://numbermatics.com/n/81388023383085440/
Chicago style:
Numbermatics. 2024. "Number 81388023383085440 - Facts about the integer". https://numbermatics.com/n/81388023383085440/
The information we have on file for 81388023383085440 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!
Keywords: Divisors of 81388023383085440, math, Factors of 81388023383085440, curriculum, school, college, exams, university, Prime factorization of 81388023383085440, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, three hundred eighty-eight trillion, twenty-three billion, three hundred eighty-three million, eighty-five thousand, four hundred forty.