19010419970605056
19,010,419,970,605,056 is an even composite number composed of four prime numbers multiplied together.
19010419970605056 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two thousand and forty divisors.
Prime factorization of 19010419970605056:
216 × 39 × 72 × 673
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 67 × 67 × 67)See below for interesting mathematical facts about the number 19010419970605056 from the Numbermatics database.
Names of 19010419970605056
- Cardinal: 19010419970605056 can be written as Nineteen quadrillion, ten trillion, four hundred nineteen billion, nine hundred seventy million, six hundred five thousand and fifty-six.
Scientific notation
- Scientific notation: 1.9010419970605056 × 1016
Factors of 19010419970605056
Divisors of 19010419970605056
- Number of divisors d(n): 2040
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 67 72 81 84 96 98 108 112 126 128 134 144 147 162 168 189 192 196 201 216 224 243 252 256 268 288 294 324 336 378 384 392 402 432 441 448 469 486 504 512 536 567 576 588 603 648 672 729 756 768 784 804 864 882 896 938 972 1008 1024 1072 1134 1152 1176 1206 1296 1323 1344 1407 1458 1512 1536 1568 1608 1701 1728 1764 1792 1809 1876 1944 2016 2048 2144 2187 2268 2304 2352 2412 2592 2646 2688 2814 2916 3024 3072 3136 3216 3283 3402 3456 3528 3584 3618 3752 3888 3969 4032 4096 4221 4288 4374 4489 4536 4608 4704 4824 5103 5184 5292 5376 5427 5628 5832 6048 6144 6272 6432 6561 6566 6804 6912 7056 7168 7236 7504 7776 7938 8064 8192 8442 8576 8748 8978 9072 9216 9408 9648 9849 10206 10368 10584 10752 10854 11256 11664 11907 12096 12288 12544 12663 12864 13122 13132 13467 13608 13824 14112 14336 14472 15008 15309 15552 15876 16128 16281 16384 16884 17152 17496 17956 18144 18432 18816 19296 19683 19698 20412 20736 21168 21504 21708 22512 23328 23814 24192 24576 25088 25326 25728 26244 26264 26934 27216 27648 28224 28672 28944 29547 30016 30618 31104 31423 31752 32256 32562 32768 33768 34304 34992 35721 35912 36288 36864 37632 37989 38592 39366 39396 40401 40824 41472 42336 43008 43416 45024 45927 46656 47628 48384 48843 49152 50176 50652 51456 52488 52528 53868 54432 55296 56448 57344 57888 59094 60032 61236 62208 62846 63504 64512 65124 65536 67536 68608 69984 71442 71824 72576 73728 75264 75978 77184 78732 78792 80802 81648 82944 84672 86016 86832 88641 90048 91854 93312 94269 95256 96768 97686 98304 100352 101304 102912 104976 105056 107163 107736 108864 110592 112896 113967 114688 115776 118188 120064 121203 122472 124416 125692 127008 129024 130248 135072 137216 137781 139968 142884 143648 145152 146529 147456 150528 151956 154368 157464 157584 161604 163296 165888 169344 172032 173664 177282 180096 183708 186624 188538 190512 193536 195372 196608 200704 202608 205824 209952 210112 214326 215472 217728 219961 221184 225792 227934 229376 231552 236376 240128 242406 244944 248832 251384 254016 258048 260496 265923 270144 274432 275562 279936 282807 285768 287296 290304 293058 294912 300763 301056 303912 308736 314928 315168 321489 323208 326592 331776 338688 341901 344064 347328 354564 360192 363609 367416 373248 377076 381024 387072 390744 401408 405216 411648 419904 420224 428652 430944 435456 439587 439922 442368 451584 455868 458752 463104 472752 480256 484812 489888 497664 502768 508032 516096 520992 531846 540288 548864 551124 559872 565614 571536 574592 580608 586116 589824 601526 602112 607824 617472 629856 630336 642978 646416 653184 659883 663552 677376 683802 688128 694656 709128 720384 727218 734832 746496 754152 762048 774144 781488 797769 802816 810432 823296 839808 840448 848421 857304 861888 870912 879174 879844 884736 902289 903168 911736 926208 945504 960512 964467 969624 979776 995328 1005536 1016064 1025703 1032192 1041984 1063692 1080576 1090827 1097728 1102248 1119744 1131228 1143072 1149184 1161216 1172232 1203052 1204224 1215648 1234944 1259712 1260672 1285956 1292832 1306368 1318761 1319766 1327104 1354752 1367604 1376256 1389312 1418256 1440768 1454436 1469664 1492992 1508304 1524096 1548288 1562976 1595538 1605632 1620864 1646592 1679616 1680896 1696842 1714608 1723776 1741824 1758348 1759688 1769472 1804578 1806336 1823472 1852416 1891008 1921024 1928934 1939248 1959552 1979649 1990656 2011072 2032128 2051406 2064384 2083968 2105341 2127384 2161152 2181654 2195456 2204496 2239488 2262456 2286144 2298368 2322432 2344464 2393307 2406104 2408448 2431296 2469888 2519424 2521344 2545263 2571912 2585664 2612736 2637522 2639532 2654208 2706867 2709504 2735208 2778624 2836512 2881536 2908872 2939328 2985984 3016608 3048192 3077109 3096576 3125952 3191076 3211264 3241728 3272481 3293184 3359232 3361792 3393684 3429216 3447552 3483648 3516696 3519376 3609156 3612672 3646944 3704832 3782016 3842048 3857868 3878496 3919104 3959298 3981312 4022144 4064256 4102812 4128768 4167936 4210682 4254768 4322304 4363308 4390912 4408992 4478976 4524912 4572288 4596736 4644864 4688928 4786614 4812208 4816896 4862592 4939776 5038848 5042688 5090526 5143824 5171328 5225472 5275044 5279064 5308416 5413734 5419008 5470416 5557248 5673024 5763072 5817744 5878656 5938947 5971968 6033216 6096384 6154218 6193152 6251904 6316023 6382152 6483456 6544962 6586368 6718464 6723584 6787368 6858432 6895104 6967296 7033392 7038752 7179921 7218312 7225344 7293888 7409664 7564032 7635789 7684096 7715736 7756992 7838208 7918596 7962624 8044288 8120601 8128512 8205624 8335872 8421364 8509536 8644608 8726616 8817984 8957952 9049824 9144576 9193472 9231327 9289728 9377856 9573228 9624416 9633792 9725184 9817443 9879552 10077696 10085376 10181052 10287648 10342656 10450944 10550088 10558128 10827468 10838016 10940832 11114496 11346048 11526144 11635488 11757312 11877894 11943936 12066432 12192768 12308436 12386304 12503808 12632046 12764304 12966912 13089924 13172736 13436928 13447168 13574736 13716864 13790208 13934592 14066784 14077504 14359842 14436624 14450688 14587776 14737387 14819328 15128064 15271578 15368192 15431472 15513984 15676416 15837192 15925248 16088576 16241202 16257024 16411248 16671744 16842728 17019072 17289216 17453232 17635968 17816841 17915904 18099648 18289152 18386944 18462654 18579456 18755712 18948069 19146456 19248832 19450368 19634886 19759104 20155392 20170752 20362104 20575296 20685312 20901888 21100176 21116256 21539763 21654936 21676032 21881664 22228992 22692096 22907367 23052288 23270976 23514624 23755788 23887872 24132864 24361803 24385536 24616872 25007616 25264092 25528608 25933824 26179848 26873856 26894336 27149472 27433728 27580416 27869184 28133568 28155008 28719684 28873248 28901376 29175552 29452329 29474774 29638656 30256128 30543156 30736384 30862944 31027968 31352832 31674384 32177152 32482404 32514048 32822496 33343488 33685456 34038144 34578432 34906464 35271936 35633682 35831808 36199296 36578304 36773888 36925308 37158912 37511424 37896138 38292912 38497664 38900736 39269772 39518208 40310784 40341504 40724208 41150592 41370624 41803776 42200352 42232512 43079526 43309872 43352064 43763328 44212161 44457984 45384192 45814734 46104576 46541952 47029248 47511576 47775744 48265728 48723606 48771072 49233744 50015232 50528184 51057216 51867648 52359696 53450523 53747712 53788672 54298944 54867456 55160832 55738368 56267136 56310016 56844207 57439368 57746496 58351104 58904658 58949548 59277312 60512256 61086312 61725888 62055936 62705664 63348768 64354304 64619289 64964808 65028096 65644992 66686976 67370912 68076288 68722101 69156864 69812928 70543872 71267364 71663616 72398592 73085409 73156608 73547776 73850616 75022848 75792276 76585824 76995328 77801472 78539544 80621568 80683008 81448416 82301184 82741248 83607552 84400704 84465024 86159052 86619744 86704128 87526656 88356987 88424322 88915968 90768384 91629468 92209152 93083904 94058496 95023152 96531456 97447212 97542144 98467488 100030464 101056368 102114432 103735296 104719392 106901046 107495424 107577344 108597888 109734912 110321664 111476736 112534272 112620032 113688414 114878736 115492992 116702208 117809316 117899096 118554624 121024512 122172624 123451776 124111872 125411328 126697536 128708608 129238578 129929616 130056192 131289984 132636483 133373952 134741824 136152576 137444202 138313728 139625856 141087744 142534728 143327232 144797184 146170818 146313216 147095552 147701232 150045696 151584552 153171648 153990656 155602944 157079088 160351569 161243136 161366016 162896832 164602368 165482496 167215104 168801408 168930048 170532621 172318104 173239488 175053312 176713974 176848644 177831936 181536768 183258936 186167808 188116992 190046304 193062912 194894424 195084288 196934976 200060928 202112736 204228864 206166303 207470592 209438784 213802092 214990848 215154688 217195776 219256227 219469824 220643328 225068544 225240064 227376828 229757472 230985984 233404416 235618632 235798192 242049024 244345248 246903552 248223744 250822656 253395072 257417216 258477156 259859232 260112384 262579968 265272966 266747904 269483648 272305152 274888404 276627456 279251712 282175488 285069456 289594368 292341636 292626432 294191104 295402464 300091392 303169104 306343296 307981312 311205888 314158176 320703138 322486272 322732032 325793664 329204736 330964992 334430208 337602816 337860096 341065242 344636208 346478976 350106624 353427948 353697288 355663872 363073536 366517872 372335616 376233984 380092608 386125824 389788848 390168576 393869952 397909449 400121856 404225472 408457728 412332606 414941184 418877568 427604184 429981696 434391552 438512454 438939648 441286656 450137088 450480128 454753656 459514944 461971968 466808832 471237264 471596384 481054707 484098048 488690496 493807104 496447488 501645312 506790144 511597863 514834432 516954312 519718464 525159936 530545932 533495808 538967296 544610304 549776808 558503424 564350976 570138912 579188736 584683272 585252864 590804928 600182784 606338208 612686592 615962624 618498909 622411776 628316352 641406276 644972544 645464064 651587328 657768681 658409472 661929984 675205632 675720192 682130484 689272416 692957952 700213248 706855896 707394576 726147072 733035744 744671232 752467968 760185216 772251648 779577696 780337152 787739904 795818898 800243712 808450944 816915456 824665212 829882368 837755136 855208368 868783104 877024908 877879296 882573312 900274176 900960256 909507312 919029888 923943936 933617664 942474528 943192768 962109414 968196096 977380992 987614208 992894976 1003290624 1013580288 1023195726 1029668864 1033908624 1039436928 1050319872 1061091864 1066991616 1077934592 1089220608 1099553616 1117006848 1128701952 1140277824 1158377472 1169366544 1170505728 1181609856 1193728347 1200365568 1212676416 1225373184 1231925248 1236997818 1244823552 1256632704 1282812552 1289945088 1303174656 1315537362 1316818944 1323859968 1350411264 1351440384 1364260968 1378544832 1385915904 1400426496 1413711792 1414789152 1443164121 1452294144 1466071488 1489342464 1504935936 1520370432 1534793589 1544503296 1559155392 1575479808 1591637796 1600487424 1616901888 1633830912 1649330424 1675510272 1710416736 1737566208 1754049816 1755758592 1800548352 1801920512 1819014624 1838059776 1847887872 1867235328 1884949056 1886385536 1924218828 1936392192 1954761984 1973306043 1975228416 1985789952 2027160576 2046391452 2059337728 2067817248 2078873856 2100639744 2122183728 2155869184 2178441216 2199107232 2234013696 2257403904 2280555648 2316754944 2338733088 2341011456 2363219712 2387456694 2400731136 2425352832 2450746368 2463850496 2473995636 2489647104 2513265408 2565625104 2606349312 2631074724 2633637888 2647719936 2700822528 2702880768 2728521936 2757089664 2771831808 2800852992 2827423584 2829578304 2886328242 2904588288 2932142976 2978684928 3009871872 3040740864 3069587178 3089006592 3118310784 3150959616 3183275592 3200974848 3233803776 3267661824 3298660848 3351020544 3420833472 3475132416 3508099632 3511517184 3581185041 3601096704 3603841024 3638029248 3676119552 3695775744 3734470656 3769898112 3772771072 3848437656 3909523968 3946612086 3950456832 3971579904 4054321152 4092782904 4135634496 4157747712 4201279488 4244367456 4311738368 4329492363 4356882432 4398214464 4468027392 4514807808 4561111296 4604380767 4633509888 4677466176 4726439424 4774913388 4801462272 4850705664 4901492736 4927700992 4947991272 5026530816 5131250208 5212698624 5262149448 5267275776 5401645056 5405761536 5457043872 5514179328 5543663616 5601705984 5654847168 5659156608 5772656484 5809176576 5864285952 5919918129 5957369856 6081481728 6139174356 6178013184 6236621568 6301919232 6366551184 6467607552 6535323648 6597321696 6702041088 6841666944 6950264832 7016199264 7023034368 7162370082 7202193408 7207682048 7276058496 7352239104 7391551488 7468941312 7539796224 7545542144 7696875312 7819047936 7893224172 7900913664 7943159808 8108642304 8185565808 8271268992 8315495424 8402558976 8488734912 8623476736 8658984726 8713764864 8796428928 8936054784 9029615616 9122222592 9208761534 9267019776 9354932352 9452878848 9549826776 9602924544 9701411328 9802985472 9855401984 9895982544 10053061632 10262500416 10425397248 10524298896 10534551552 10743555123 10803290112 10811523072 10914087744 11028358656 11087327232 11203411968 11309694336 11318313216 11545312968 11728571904 11839836258 11914739712 12162963456 12278348712 12473243136 12603838464 12733102368 12935215104 13070647296 13194643392 13404082176 13683333888 13813142301 13900529664 14032398528 14324740164 14404386816 14415364096 14552116992 14704478208 14783102976 15079592448 15091084288 15393750624 15638095872 15786448344 15801827328 16217284608 16371131616 16542537984 16630990848 16805117952 16977469824 17246953472 17317969452 17427529728 17592857856 17872109568 18244445184 18417523068 18534039552 18709864704 18905757696 19099653552 19402822656 19605970944 19710803968 19791965088 20106123264 20525000832 20850794496 21048597792 21069103104 21487110246 21606580224 21623046144 21828175488 22056717312 22174654464 22406823936 22619388672 22636626432 23090625936 23457143808 23679672516 23829479424 24325926912 24556697424 24946486272 25207676928 25466204736 25870430208 26141294592 26389286784 26808164352 27366667776 27626284602 27801059328 28064797056 28649480328 28808773632 29104233984 29408956416 29566205952 30159184896 30182168576 30787501248 31276191744 31572896688 31603654656 32230665369 32434569216 32742263232 33085075968 33261981696 33610235904 33954939648 34493906944 34635938904 35185715712 35744219136 36488890368 36835046136 37419729408 37811515392 38199307104 38805645312 39211941888 39583930176 40212246528 41050001664 41439426903 41701588992 42097195584 42974220492 43213160448 43246092288 43656350976 44113434624 44349308928 45238777344 45273252864 46181251872 46914287616 47359345032 48651853824 49113394848 49892972544 50415353856 50932409472 51740860416 52282589184 52778573568 53616328704 54733335552 55252569204 55602118656 56129594112 57298960656 58208467968 58817912832 59132411904 60318369792 60364337152 61575002496 62552383488 63145793376 63207309312 64461330738 64869138432 65484526464 66170151936 66523963392 67220471808 67909879296 68987813888 69271877808 70371431424 71488438272 72977780736 73670092272 74839458816 75623030784 76398614208 77611290624 78423883776 79167860352 80424493056 82100003328 82878853806 83403177984 84194391168 85948440984 86426320896 87312701952 88226869248 88698617856 90477554688 90546505728 92362503744 93828575232 94718690064 96691996107 97303707648 98226789696 99785945088 100830707712 101864818944 103481720832 105557147136 107232657408 109466671104 110505138408 112259188224 114597921312 116416935936 117635825664 120636739584 120728674304 123150004992 125104766976 126291586752 128922661476 129738276864 130969052928 132340303872 133047926784 135819758592 137975627776 138543755616 140742862848 145955561472 147340184544 149678917632 151246061568 152797228416 155222581248 156847767552 158335720704 160848986112 164200006656 165757707612 166806355968 168388782336 171896881968 174625403904 176453738496 177397235712 180955109376 181093011456 184725007488 187657150464 189437380128 193383992214 194607415296 196453579392 199571890176 201661415424 203729637888 206963441664 211114294272 214465314816 218933342208 221010276816 224518376448 229195842624 232833871872 235271651328 241273479168 241457348608 246300009984 250209533952 252583173504 257845322952 261938105856 264680607744 266095853568 271639517184 277087511232 281485725696 290075988321 291911122944 294680369088 299357835264 302492123136 305594456832 310445162496 316671441408 321697972224 328400013312 331515415224 336777564672 343793763936 349250807808 352907476992 361910218752 362186022912 369450014976 375314300928 378874760256 386767984428 389214830592 392907158784 399143780352 407459275776 413926883328 422228588544 437866684416 442020553632 449036752896 458391685248 465667743744 470543302656 482546958336 482914697216 492600019968 500419067904 505166347008 515690645904 523876211712 529361215488 532191707136 543279034368 554175022464 562971451392 580151976642 583822245888 589360738176 598715670528 604984246272 611188913664 620890324992 633342882816 643395944448 656800026624 663030830448 673555129344 687587527872 698501615616 705814953984 723820437504 724372045824 738900029952 750628601856 757749520512 773535968856 785814317568 798287560704 814918551552 844457177088 875733368832 884041107264 898073505792 916783370496 931335487488 965093916672 965829394432 985200039936 1010332694016 1031381291808 1047752423424 1058722430976 1086558068736 1108350044928 1125942902784 1160303953284 1167644491776 1178721476352 1197431341056 1222377827328 1241780649984 1266685765632 1313600053248 1326061660896 1347110258688 1375175055744 1397003231232 1411629907968 1447640875008 1448744091648 1477800059904 1501257203712 1515499041024 1547071937712 1571628635136 1596575121408 1629837103104 1688914354176 1751466737664 1768082214528 1796147011584 1833566740992 1862670974976 1930187833344 1970400079872 2020665388032 2062762583616 2095504846848 2117444861952 2173116137472 2216700089856 2251885805568 2320607906568 2357442952704 2394862682112 2444755654656 2533371531264 2627200106496 2652123321792 2694220517376 2750350111488 2794006462464 2895281750016 2897488183296 2955600119808 3030998082048 3094143875424 3143257270272 3259674206208 3377828708352 3502933475328 3536164429056 3592294023168 3667133481984 3725341949952 3940800159744 4041330776064 4125525167232 4191009693696 4234889723904 4346232274944 4433400179712 4503771611136 4641215813136 4714885905408 4789725364224 4889511309312 5066743062528 5254400212992 5304246643584 5388441034752 5500700222976 5588012924928 5790563500032 5911200239616 6061996164096 6188287750848 6286514540544 6519348412416 6755657416704 7072328858112 7184588046336 7334266963968 7881600319488 8082661552128 8251050334464 8382019387392 8692464549888 8866800359424 9282431626272 9429771810816 9779022618624 10133486125056 10508800425984 10608493287168 10776882069504 11001400445952 11176025849856 11822400479232 12123992328192 12376575501696 12573029081088 13038696824832 13511314833408 14144657716224 14369176092672 14668533927936 15763200638976 16165323104256 16502100668928 16764038774784 17733600718848 18564863252544 18859543621632 19558045237248 20266972250112 21216986574336 21553764139008 22002800891904 23644800958464 24247984656384 24753151003392 25146058162176 26077393649664 28289315432448 29337067855872 31526401277952 32330646208512 33004201337856 33528077549568 35467201437696 37129726505088 37719087243264 39116090474496 40533944500224 42433973148672 43107528278016 44005601783808 47289601916928 48495969312768 49506302006784 50292116324352 56578630864896 58674135711744 64661292417024 66008402675712 70934402875392 74259453010176 75438174486528 78232180948992 84867946297344 88011203567616 94579203833856 96991938625536 99012604013568 100584232648704 113157261729792 117348271423488 129322584834048 132016805351424 141868805750784 148518906020352 150876348973056 169735892594688 176022407135232 193983877251072 198025208027136 226314523459584 234696542846976 264033610702848 283737611501568 297037812040704 301752697946112 339471785189376 352044814270464 387967754502144 396050416054272 452629046919168 528067221405696 594075624081408 678943570378752 704089628540928 792100832108544 905258093838336 1056134442811392 1188151248162816 1357887140757504 1584201664217088 2112268885622784 2376302496325632 2715774281515008 3168403328434176 4752604992651264 6336806656868352 9505209985302528 19010419970605056
- Sum of all divisors σ(n): 67346017507860960
- Sum of proper divisors (its aliquot sum) s(n): 48335597537255904
- 19010419970605056 is an abundant number, because the sum of its proper divisors (48335597537255904) is greater than itself. Its abundance is 29325177566650848
Bases of 19010419970605056
- Binary: 10000111000100111100000010100010110000100000000000000002
- Hexadecimal: 0x4389E051610000
- Base-36: 576MQDC0000
Squares and roots of 19010419970605056
- 19010419970605056 squared (190104199706050562) is 361396067458779538231102732763136
- 19010419970605056 cubed (190104199706050563) is 6870291018116514544408273178325851989300652015616
-
The
square root of 19010419970605056 is 137878279.5461455415 -
The
cube root of 19010419970605056 is 266888.9360746793
Scales and comparisons
How big is 19010419970605056?- 19,010,419,970,605,056 seconds is equal to 604,472,551 years, 50 weeks, 5 days, 57 minutes, 36 seconds.
-
To count from 1 to 19,010,419,970,605,056 would take you about one billion, eight hundred thirteen million, four hundred seventeen thousand, six hundred fifty-five 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 19010419970605056 cubic inches would be around 22240.7 feet tall.
Recreational maths with 19010419970605056
- 19010419970605056 backwards is 65050607991401091
- 19010419970605056 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 19010419970605056's digits is 63
- 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 19010419970605056 - Facts about the integer". Numbermatics.com. 2024. Web. 13 May 2024.
APA style:
Numbermatics. (2024). Number 19010419970605056 - Facts about the integer. Retrieved 13 May 2024, from https://numbermatics.com/n/19010419970605056/
Chicago style:
Numbermatics. 2024. "Number 19010419970605056 - Facts about the integer". https://numbermatics.com/n/19010419970605056/
The information we have on file for 19010419970605056 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 19010419970605056, math, Factors of 19010419970605056, curriculum, school, college, exams, university, Prime factorization of 19010419970605056, STEM, science, technology, engineering, physics, economics, calculator, nineteen quadrillion, ten trillion, four hundred nineteen billion, nine hundred seventy million, six hundred five thousand and fifty-six.