103636839956806656
103,636,839,956,806,656 is an even composite number composed of five prime numbers multiplied together.
103636839956806656 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, nine hundred eighty divisors.
Prime factorization of 103636839956806656:
210 × 35 × 172 × 37 × 794
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 17 × 17 × 37 × 79 × 79 × 79 × 79)See below for interesting mathematical facts about the number 103636839956806656 from the Numbermatics database.
Names of 103636839956806656
- Cardinal: 103636839956806656 can be written as One hundred three quadrillion, six hundred thirty-six trillion, eight hundred thirty-nine billion, nine hundred fifty-six million, eight hundred six thousand, six hundred fifty-six.
Scientific notation
- Scientific notation: 1.03636839956806656 × 1017
Factors of 103636839956806656
Divisors of 103636839956806656
- Number of divisors d(n): 1980
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 37 48 51 54 64 68 72 74 79 81 96 102 108 111 128 136 144 148 153 158 162 192 204 216 222 237 243 256 272 288 289 296 306 316 324 333 384 408 432 444 459 474 486 512 544 576 578 592 612 629 632 648 666 711 768 816 864 867 888 918 948 972 999 1024 1088 1152 1156 1184 1224 1258 1264 1296 1332 1343 1377 1422 1536 1632 1728 1734 1776 1836 1887 1896 1944 1998 2133 2176 2304 2312 2368 2448 2516 2528 2592 2601 2664 2686 2754 2844 2923 2997 3072 3264 3456 3468 3552 3672 3774 3792 3888 3996 4029 4131 4266 4352 4608 4624 4736 4896 5032 5056 5184 5202 5328 5372 5508 5661 5688 5846 5994 6241 6399 6528 6912 6936 7104 7344 7548 7584 7776 7803 7992 8058 8262 8532 8704 8769 8991 9216 9248 9472 9792 10064 10112 10368 10404 10656 10693 10744 11016 11322 11376 11692 11988 12087 12482 12798 13056 13824 13872 14208 14688 15096 15168 15552 15606 15984 16116 16524 16983 17064 17408 17538 17982 18496 18723 18944 19197 19584 20128 20224 20736 20808 21312 21386 21488 22032 22644 22752 22831 23384 23409 23976 24174 24964 25596 26112 26307 27648 27744 28416 29376 30192 30336 31104 31212 31968 32079 32232 33048 33966 34128 35076 35964 36261 36992 37446 37888 38394 39168 40256 40448 41472 41616 42624 42772 42976 44064 45288 45504 45662 46768 46818 47952 48348 49691 49928 50949 51192 52224 52614 55488 56169 56832 58752 60384 60672 62208 62424 63936 64158 64464 66096 67932 68256 68493 70152 70227 71928 72522 73984 74892 76788 78336 78921 80512 80896 82944 83232 85248 85544 85952 88128 90576 91008 91324 93536 93636 95904 96237 96696 99382 99856 101898 102384 105228 106097 108783 110976 112338 113664 117504 120768 121344 124416 124848 127872 128316 128928 132192 135864 136512 136986 140304 140454 143856 145044 147968 149073 149784 152847 153576 156672 157842 161024 166464 168507 170496 171088 171904 176256 181152 182016 182648 187072 187272 191808 192474 193392 198764 199712 203796 204768 205479 210456 212194 217566 221952 224676 230917 235008 236763 241536 242688 248832 249696 255744 256632 257856 264384 271728 273024 273972 280608 280908 287712 288711 290088 295936 298146 299568 305694 307152 315684 318291 322048 326349 332928 337014 340992 342176 343808 352512 362304 364032 365296 374144 374544 383616 384948 386784 397528 399424 407592 409536 410958 420912 424388 435132 443904 447219 449352 461834 470016 473526 483072 493039 499392 505521 511488 513264 515712 528768 543456 546048 547944 561216 561816 575424 577422 580176 596292 599136 611388 614304 616437 631368 636582 644096 652698 665856 674028 684352 687616 692751 705024 710289 724608 728064 730592 748288 749088 767232 769896 773568 795056 798848 815184 819072 821916 841824 844747 848776 866133 870264 887808 894438 898704 923668 947052 954873 966144 986078 998784 1011042 1022976 1026528 1031424 1057536 1086912 1092096 1095888 1122432 1123632 1150848 1154844 1160352 1192584 1198272 1222776 1228608 1232874 1262736 1273164 1305396 1331712 1341657 1348056 1368704 1375232 1385502 1410048 1420578 1449216 1461184 1479117 1496576 1498176 1516563 1534464 1539792 1547136 1590112 1597696 1630368 1638144 1643832 1683648 1689494 1697552 1732266 1740528 1788876 1797408 1803649 1847336 1849311 1894104 1909746 1932288 1972156 1997568 2022084 2053056 2062848 2078253 2115072 2173824 2184192 2191776 2244864 2247264 2301696 2309688 2320704 2385168 2396544 2445552 2457216 2465748 2525472 2534241 2546328 2598399 2610792 2663424 2683314 2696112 2737408 2771004 2841156 2864619 2898432 2922368 2958234 2993152 2996352 3033126 3068928 3079584 3094272 3180224 3195392 3260736 3276288 3287664 3367296 3378988 3395104 3464532 3481056 3577752 3594816 3607298 3694672 3698622 3788208 3819492 3925589 3944312 3995136 4024971 4044168 4106112 4125696 4156506 4230144 4347648 4383552 4437351 4489728 4494528 4603392 4619376 4641408 4770336 4793088 4891104 4914432 4931496 5050944 5068482 5092656 5196798 5221584 5366628 5392224 5410947 5474816 5542008 5547933 5682312 5729238 5796864 5844736 5916468 5992704 6066252 6159168 6188544 6234759 6360448 6390784 6521472 6552576 6575328 6734592 6757976 6790208 6929064 6962112 7155504 7189632 7214596 7389344 7397244 7576416 7602723 7638984 7851178 7888624 7990272 8049942 8088336 8212224 8313012 8381663 8593857 8695296 8767104 8874702 8979456 8989056 9206784 9238752 9282816 9540672 9586176 9782208 9828864 9862992 10101888 10136964 10185312 10393596 10443168 10733256 10784448 10821894 10949632 11084016 11095866 11364624 11458476 11689472 11776767 11832936 11985408 12074913 12132504 12318336 12377088 12469518 12720896 13042944 13150656 13312053 13469184 13515952 13580416 13858128 13924224 14311008 14379264 14429192 14778688 14794488 15152832 15205446 15277968 15702356 15777248 16099884 16176672 16232841 16424448 16626024 16763326 17187714 17390592 17534208 17749404 17978112 18242443 18477504 18565632 18704277 19081344 19172352 19564416 19657728 19725984 20203776 20273928 20370624 20787192 20886336 21466512 21568896 21643788 22168032 22191732 22729248 22808169 22916952 23378944 23553534 23665872 23970816 24149826 24265008 24636672 24939036 25144989 25441792 25781571 26085888 26301312 26624106 26938368 27031904 27160832 27716256 27848448 28622016 28758528 28858384 29557376 29588976 30305664 30410892 30555936 31404712 31554496 32199768 32353344 32465682 32848896 33252048 33526652 34375428 35068416 35330301 35498808 35956224 36484886 36955008 37131264 37408554 38162688 38950081 39128832 39451968 39936159 40407552 40547856 40741248 41574384 41772672 42933024 43137792 43287576 44336064 44383464 45458496 45616338 45833904 47107068 47331744 48299652 48530016 48698523 49273344 49878072 50289978 50883584 51563142 52171776 52602624 53248212 54063808 54321664 54727329 55432512 55696896 56112831 57244032 57517056 57716768 59114752 59177952 60611328 60821784 61111872 62809424 63108992 64399536 64706688 64931364 66504096 66735013 67053304 68424507 68750856 70136832 70660602 70997616 71912448 72969772 73910016 74817108 75434967 76325376 77900162 78257664 78903936 79872318 80815104 81095712 81482496 83148768 83545344 85866048 86275584 86575152 88672128 88766928 90916992 91232676 91667808 94214136 94663488 96599304 97060032 97397046 98546688 99756144 100579956 103126284 105205248 105990903 106496424 108127616 108643328 109454658 110865024 111393792 112225662 114488064 115433536 116850243 118229504 118355904 119808477 121222656 121643568 122223744 125618848 126217984 128799072 129413376 129862728 133008192 133470026 134106608 136849014 137501712 141321204 141995232 142488271 145939544 146095569 147820032 149634216 150869934 152650752 155800324 156515328 157807872 159744636 162191424 162964992 164181987 166297536 167090688 171732096 172551168 173150304 177344256 177533856 181833984 182465352 183335616 188428272 189326976 193198608 194120064 194794092 199512288 200205039 201159912 205273521 206252568 210410496 211981806 212992848 216255232 218909316 221730048 224451324 226304901 228976128 230867072 233700486 236459008 236711808 239616954 242445312 243287136 244447488 251237696 252435968 257598144 258826752 259725456 266016384 266940052 268213216 273698028 275003424 282642408 283990464 284976542 291879088 292191138 295640064 299268432 301739868 310121531 311600648 315615744 317972709 319489272 324382848 325929984 328363974 332595072 334181376 343464192 346300608 350550729 354688512 355067712 363667968 364930704 366671232 376856544 378653952 386397216 388240128 389588184 399024576 400410078 402319824 410547042 412505136 423963612 425985696 427464813 432510464 437818632 438286707 443460096 448902648 452609802 457952256 461734144 467400972 473423616 479233908 486574272 488894976 492545961 502475392 504871936 515196288 517653504 519450912 532032768 533880104 536426432 547396056 550006848 565284816 567980928 569953084 583758176 584382276 598536864 600615117 603479736 620243062 623201296 631231488 635945418 638978544 648765696 656727948 662151377 665190144 678914703 686928384 692601216 701101458 709377024 710135424 727335936 729861408 733342464 753713088 757307904 772794432 776480256 779176368 798049152 800820156 804639648 821094084 825010272 847927224 851971392 854929626 865020928 875637264 876573414 886920192 897805296 905219604 923468288 930364593 934801944 946847232 953918127 958467816 973148544 977789952 985091922 1004950784 1030392576 1038901824 1051652187 1064065536 1067760208 1072852864 1094792112 1100013696 1130569632 1135961856 1139906168 1167516352 1168764552 1197073728 1201230234 1206959472 1240486124 1246402592 1271890836 1277957088 1282394439 1297531392 1313455896 1324302754 1330380288 1357829406 1373856768 1385202432 1402202916 1420270848 1441152997 1459722816 1466684928 1477637883 1507426176 1514615808 1545588864 1552960512 1558352736 1596098304 1601640312 1609279296 1642188168 1650020544 1695854448 1703942784 1709859252 1751274528 1753146828 1795610592 1801845351 1810439208 1846936576 1860729186 1869603888 1893694464 1907836254 1916935632 1946297088 1970183844 1986454131 2009901568 2036744109 2060785152 2077803648 2103304374 2128131072 2135520416 2145705728 2189584224 2200027392 2261139264 2271923712 2279812336 2335032704 2337529104 2394147456 2402460468 2413918944 2480972248 2492805184 2543781672 2555914176 2564788878 2595062784 2626911792 2648605508 2660760576 2715658812 2770404864 2791093779 2804405832 2840541696 2882305994 2919445632 2933369856 2955275766 3014852352 3091177728 3116705472 3154956561 3192196608 3203280624 3218558592 3284376336 3300041088 3391708896 3407885568 3419718504 3502549056 3506293656 3591221184 3603690702 3620878416 3721458372 3739207776 3815672508 3833871264 3847183317 3892594176 3940367688 3972908262 4019803136 4073488218 4121570304 4155607296 4206608748 4271040832 4291411456 4323458991 4379168448 4400054784 4432913649 4522278528 4543847424 4559624672 4670065408 4675058208 4788294912 4804920936 4827837888 4961944496 4985610368 5087563344 5111828352 5129577756 5253823584 5272066027 5297211016 5405536053 5431317624 5540809728 5582187558 5608811664 5681083392 5764611988 5838891264 5910551532 5959362393 6029704704 6182355456 6233410944 6309913122 6384393216 6406561248 6437117184 6568752672 6600082176 6783417792 6815771136 6839437008 7005098112 7012587312 7182442368 7207381404 7241756832 7442916744 7478415552 7631345016 7667742528 7694366634 7785188352 7880735376 7945816524 8146976436 8311214592 8373281337 8413217496 8542081664 8582822912 8646917982 8758336896 8800109568 8865827298 9044557056 9119249344 9340130816 9350116416 9464869683 9576589824 9609841872 9655675776 9923888992 9971220736 10175126688 10223656704 10259155512 10507647168 10544132054 10594422032 10811072106 10862635248 11164375116 11217623328 11256573409 11529223976 11541549951 11677782528 11821103064 11918724786 12059409408 12364710912 12466821888 12619826244 12813122496 12874234368 12970376973 13137505344 13200164352 13566835584 13631542272 13678874016 14010196224 14025174624 14364884736 14414762808 14483513664 14885833488 14956831104 15262690032 15335485056 15388733268 15761470752 15816198081 15891633048 16216608159 16293952872 16622429184 16746562674 16826434992 17084163328 17293835964 17516673792 17731654596 17878087179 18089114112 18238498688 18680261632 18700232832 18929739366 19153179648 19219683744 19311351552 19847777984 19942441472 20350253376 20447313408 20518311024 21015294336 21088264108 21188844064 21622144212 21725270496 22328750232 22435246656 22513146818 23058447952 23083099902 23355565056 23642206128 23837449572 24499600949 24933643776 25119844011 25239652488 25626244992 25748468736 25940753946 26275010688 26400328704 27133671168 27357748032 28020392448 28050349248 28729769472 28829525616 28967027328 29771666976 29913662208 30525380064 30670970112 30777466536 31522941504 31632396162 31783266096 32433216318 32587905744 33493125348 33652869984 33769720227 34168326656 34587671928 34624649853 35033347584 35463309192 35756174358 36178228224 36476997376 37400465664 37859478732 38439367488 38622703104 38911130919 39695555968 39884882944 40700506752 40894626816 41036622048 42030588672 42176528216 42377688128 43244288424 43450540992 44657500464 44870493312 45026293636 46116895904 46166199804 47284412256 47448594243 47674899144 48999201898 49867287552 50239688022 50479304976 51252489984 51881507892 52550021376 53634261537 54267342336 54715496064 56040784896 56100698496 57459538944 57659051232 57934054656 59543333952 59827324416 61050760128 61341940224 61554933072 63045883008 63264792324 63566532192 64866432636 65175811488 66986250696 67305739968 67539440454 68336653312 69175343856 69249299706 70066695168 70926618384 71512348716 72953994752 73498802847 74800931328 75359532033 75718957464 76878734976 77245406208 77822261838 79391111936 81401013504 82073244096 84061177344 84353056432 84755376256 86488576848 86901081984 89315000928 89740986624 90052587272 92233791808 92332399608 94568824512 94897188486 95349798288 97998403796 100479376044 100958609952 101309160681 102504979968 103763015784 105100042752 107268523074 108534684672 109430992128 112201396992 115318102464 115868109312 116733392757 119086667904 119654648832 122101520256 122683880448 123109866144 126091766016 126529584648 127133064384 129732865272 130351622976 133972501392 134611479936 135078880908 138350687712 138498599412 141853236768 142345782729 143024697432 145907989504 146997605694 149601862656 150719064066 151437914928 153757469952 155644523676 158782223872 160902784611 162802027008 164146488192 168122354688 168706112864 169510752512 172977153696 173802163968 178630001856 179481973248 180105174544 184467583616 184664799216 189137649024 189794376972 190699596576 195996807592 200958752088 201917219904 202618321362 205009959936 207526031568 210200085504 214537046148 218861984256 220496408541 224402793984 230636204928 231736218624 233466785514 238173335808 244203040512 246219732288 252183532032 253059169296 254266128768 259465730544 260703245952 267945002784 269222959872 270157761816 276701375424 276997198824 283706473536 284691565458 286049394864 293995211388 301438128132 302875829856 303927482043 307514939904 311289047352 317564447744 321805569222 325604054016 328292976384 337412225728 339021505024 345954307392 347604327936 350200178271 357260003712 358963946496 360210349088 368935167232 369329598432 378275298048 379588753944 381399193152 391993615184 401917504176 403834439808 405236642724 415052063136 416493216133 427037348187 429074092296 437723968512 440992817082 448805587968 461272409856 466933571028 476346671616 488406081024 492439464576 504367064064 506118338592 508532257536 518931461088 521406491904 535890005568 538445919744 540315523632 553402750848 553994397648 567412947072 569383130916 572098789728 587990422776 602876256264 605751659712 607854964086 615029879808 622578094704 643611138444 656585952768 661489225623 674824451456 678043010048 691908614784 695208655872 700400356542 714520007424 720420698176 737870334464 738659196864 756550596096 759177507888 762798386304 783987230368 803835008352 807668879616 810473285448 830104126272 832986432266 854074696374 858148184592 881985634164 911782446129 922544819712 933867142056 952693343232 976812162048 984878929152 1012236677184 1017064515072 1037862922176 1042812983808 1071780011136 1076891839488 1080631047264 1106805501696 1107988795296 1134825894144 1138766261832 1144197579456 1175980845552 1205752512528 1211503319424 1215709928172 1245156189408 1249479648399 1281112044561 1287222276888 1313171905536 1322978451246 1349648902912 1383817229568 1400800713084 1429040014848 1440841396352 1475740668928 1477318393728 1513101192192 1518355015776 1525596772608 1567974460736 1607670016704 1615337759232 1620946570896 1660208252544 1665972864532 1708149392748 1716296369184 1763971268328 1823564892258 1845089639424 1867734284112 1969757858304 1984467676869 2024473354368 2034129030144 2075725844352 2085625967616 2143560022272 2161262094528 2213611003392 2215977590592 2269651788288 2277532523664 2288395158912 2351961691104 2411505025056 2423006638848 2431419856344 2490312378816 2498959296798 2562224089122 2574444553776 2645956902492 2699297805824 2735347338387 2767634459136 2801601426168 2858080029696 2881682792704 2954636787456 3036710031552 3051193545216 3135948921472 3215340033408 3230675518464 3241893141792 3320416505088 3331945729064 3416298785496 3432592738368 3527942536656 3647129784516 3735468568224 3748438945197 3939515716608 3968935353738 4048946708736 4151451688704 4287120044544 4322524189056 4427222006784 4431955181184 4539303576576 4555065047328 4576790317824 4703923382208 4823010050112 4846013277696 4862839712688 4980624757632 4997918593596 5124448178244 5148889107552 5291913804984 5398595611648 5470694676774 5535268918272 5603202852336 5763365585408 5909273574912 5953403030607 6073420063104 6102387090432 6271897842944 6430680066816 6483786283584 6640833010176 6663891458128 6832597570992 6865185476736 7055885073312 7294259569032 7470937136448 7496877890394 7937870707476 8097893417472 8302903377408 8574240089088 8645048378112 8863910362368 9110130094656 9153580635648 9407846764416 9646020100224 9692026555392 9725679425376 9961249515264 9995837187192 10248896356488 10297778215104 10583827609968 10941389353548 11206405704672 11245316835591 11526731170816 11818547149824 11906806061214 12146840126208 12543795685888 12861360133632 12967572567168 13281666020352 13327782916256 13665195141984 13730370953472 14111770146624 14588519138064 14941874272896 14993755780788 15875741414952 16195786834944 16605806754816 17290096756224 17727820724736 18220260189312 18307161271296 18815693528832 19292040200448 19451358850752 19922499030528 19991674374384 20497792712976 20595556430208 21167655219936 21882778707096 22412811409344 22490633671182 23813612122428 24293680252416 25087591371776 25722720267264 25935145134336 26655565832512 27330390283968 27460741906944 28223540293248 29177038276128 29883748545792 29987511561576 31751482829904 33735950506773 34580193512448 35455641449472 36440520378624 37631387057664 38584080400896 38902717701504 39844998061056 39983348748768 40995585425952 41191112860416 42335310439872 43765557414192 44825622818688 44981267342364 47627224244856 48587360504832 51870290268672 53311131665024 54660780567936 54921483813888 56447080586496 58354076552256 59767497091584 59975023123152 63502965659808 67471901013546 72881040757248 75262774115328 77168160801792 77805435403008 79966697497536 81991170851904 82382225720832 84670620879744 87531114828384 89651245637376 89962534684728 95254448489712 101207851520319 103740580537344 106622263330048 109321561135872 112894161172992 116708153104512 119534994183168 119950046246304 127005931319616 134943802027092 145762081514496 155610870806016 159933394995072 163982341703808 164764451441664 169341241759488 175062229656768 179302491274752 179925069369456 190508896979424 202415703040638 213244526660096 218643122271744 225788322345984 233416306209024 239900092492608 254011862639232 269887604054184 311221741612032 319866789990144 327964683407616 338682483518976 350124459313536 358604982549504 359850138738912 381017793958848 404831406081276 426489053320192 437286244543488 466832612418048 479800184985216 508023725278464 539775208108368 639733579980288 655929366815232 677364967037952 700248918627072 719700277477824 762035587917696 809662812162552 933665224836096 959600369970432 1016047450556928 1079550416216736 1279467159960576 1311858733630464 1400497837254144 1439400554955648 1524071175835392 1619325624325104 1919200739940864 2032094901113856 2159100832433472 2800995674508288 2878801109911296 3048142351670784 3238651248650208 3838401479881728 4318201664866944 5757602219822592 6096284703341568 6477302497300416 8636403329733888 11515204439645184 12954604994600832 17272806659467776 25909209989201664 34545613318935552 51818419978403328 103636839956806656
- Sum of all divisors σ(n): 342911501591270248
- Sum of proper divisors (its aliquot sum) s(n): 239274661634463592
- 103636839956806656 is an abundant number, because the sum of its proper divisors (239274661634463592) is greater than itself. Its abundance is 135637821677656936
Bases of 103636839956806656
- Binary: 1011100000011000100101000001001110100010011111100000000002
- Hexadecimal: 0x17031282744FC00
- Base-36: SCG6Z0EDC00
Squares and roots of 103636839956806656
- 103636839956806656 squared (1036368399568066562) is 10740594596232756639479744965902336
- 103636839956806656 cubed (1036368399568066563) is 1113121283210716605445077450674693246313752130748416
-
The
square root of 103636839956806656 is 321926761.7903281055 -
The
cube root of 103636839956806656 is 469718.9204481005
Scales and comparisons
How big is 103636839956806656?- 103,636,839,956,806,656 seconds is equal to 3,295,330,940 years, 43 weeks, 2 days, 57 minutes, 36 seconds.
-
To count from 1 to 103,636,839,956,806,656 would take you about nine billion, eight hundred eighty-five million, nine hundred ninety-two thousand, eight hundred twenty-two 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 103636839956806656 cubic inches would be around 39143.2 feet tall.
Recreational maths with 103636839956806656
- 103636839956806656 backwards is 656608659938636301
- The number of decimal digits it has is: 18
- The sum of 103636839956806656's digits is 90
- 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 103636839956806656 - Facts about the integer". Numbermatics.com. 2024. Web. 31 May 2024.
APA style:
Numbermatics. (2024). Number 103636839956806656 - Facts about the integer. Retrieved 31 May 2024, from https://numbermatics.com/n/103636839956806656/
Chicago style:
Numbermatics. 2024. "Number 103636839956806656 - Facts about the integer". https://numbermatics.com/n/103636839956806656/
The information we have on file for 103636839956806656 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 103636839956806656, math, Factors of 103636839956806656, curriculum, school, college, exams, university, Prime factorization of 103636839956806656, STEM, science, technology, engineering, physics, economics, calculator, one hundred three quadrillion, six hundred thirty-six trillion, eight hundred thirty-nine billion, nine hundred fifty-six million, eight hundred six thousand, six hundred fifty-six.