25545847820504256
25,545,847,820,504,256 is an even composite number composed of six prime numbers multiplied together.
What does the number 25545847820504256 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 2016 divisors.
25545847820504256 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand and sixteen divisors.
Prime factorization of 25545847820504256:
26 × 37 × 7 × 372 × 79 × 4912
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 37 × 37 × 79 × 491 × 491)See below for interesting mathematical facts about the number 25545847820504256 from the Numbermatics database.
Names of 25545847820504256
- Cardinal: 25545847820504256 can be written as Twenty-five quadrillion, five hundred forty-five trillion, eight hundred forty-seven billion, eight hundred twenty million, five hundred four thousand, two hundred fifty-six.
Scientific notation
- Scientific notation: 2.5545847820504256 × 1016
Factors of 25545847820504256
Divisors of 25545847820504256
- Number of divisors d(n): 2016
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 37 42 48 54 56 63 64 72 74 79 81 84 96 108 111 112 126 144 148 158 162 168 189 192 216 222 224 237 243 252 259 288 296 316 324 333 336 378 432 444 448 474 486 491 504 518 553 567 576 592 632 648 666 672 711 729 756 777 864 888 948 972 982 999 1008 1036 1106 1134 1184 1264 1296 1332 1344 1369 1422 1458 1473 1512 1554 1659 1701 1728 1776 1896 1944 1964 1998 2016 2072 2133 2187 2212 2268 2331 2368 2528 2592 2664 2738 2844 2916 2923 2946 2997 3024 3108 3318 3402 3437 3552 3792 3888 3928 3996 4032 4107 4144 4266 4374 4419 4424 4536 4662 4977 5056 5103 5184 5328 5476 5688 5832 5846 5892 5994 6048 6216 6399 6636 6804 6874 6993 7104 7584 7776 7856 7992 8214 8288 8532 8748 8769 8838 8848 8991 9072 9324 9583 9954 10206 10311 10656 10952 11376 11664 11692 11784 11988 12096 12321 12432 12798 13257 13272 13608 13748 13986 14931 15168 15309 15552 15712 15984 16428 16576 17064 17496 17538 17676 17696 17982 18144 18167 18648 19166 19197 19908 20412 20461 20622 20979 21312 21904 22752 23328 23384 23568 23976 24642 24864 25596 26307 26514 26544 26973 27216 27496 27972 28749 29862 30618 30933 31424 31968 32856 34128 34992 35076 35352 35392 35964 36288 36334 36963 37296 38332 38394 38789 39771 39816 40824 40922 41244 41958 43808 44793 45504 46656 46768 47136 47952 49284 49728 51192 52614 53028 53088 53946 54432 54501 54992 55944 57498 57591 59724 61236 61383 61866 62937 63936 65712 68256 69984 70152 70704 71928 72668 73926 74592 76664 76788 77578 78921 79542 79632 80919 81648 81844 82488 83916 86247 87616 89586 92799 93536 94272 95904 98568 102384 105228 106056 106176 107892 108151 108864 109002 109984 110889 111888 114996 115182 116367 119313 119448 122472 122766 123732 125874 127169 131424 134379 136512 139968 140304 141408 143856 145336 147852 149184 153328 153576 155156 157842 159084 159264 161838 163296 163503 163688 164976 167832 172494 172773 179172 184149 185598 187072 188811 191808 197136 204768 210456 212112 215784 216302 218004 219968 221778 223776 229992 230364 232734 236763 238626 238896 241081 244944 245532 247464 251748 254338 258741 262848 268758 271523 278397 280608 282816 287712 290672 295704 306656 307152 310312 315684 318168 318528 323676 324453 326592 327006 327376 329952 332667 335664 344988 345546 349101 357939 358344 368298 371196 377622 381507 394272 403137 409536 420912 424224 431568 432604 436008 443556 447552 459984 460728 465468 473526 477252 477792 482162 489888 490509 491064 494928 503496 508676 517482 537516 543046 552447 556794 561216 566433 575424 581344 591408 613312 614304 620624 631368 636336 647352 648906 654012 654752 659904 665334 671328 672179 689976 691092 698202 710289 715878 716688 723243 736596 742392 755244 757057 763014 776223 788544 806274 814569 835191 841824 848448 863136 865208 872016 887112 919968 921456 930936 947052 954504 955584 964324 973359 979776 981018 982128 989856 998001 1006992 1017352 1034964 1047303 1073817 1075032 1086092 1104894 1113588 1132866 1144521 1162688 1182816 1209411 1228608 1241248 1262736 1272672 1294704 1297812 1308024 1309504 1330668 1342656 1344358 1379952 1382184 1396404 1420578 1431756 1433376 1435193 1446486 1471527 1473192 1484784 1510488 1514114 1526028 1552446 1612548 1629138 1657341 1670382 1683648 1687567 1726272 1730416 1744032 1774224 1839936 1842912 1861872 1894104 1909008 1928648 1946718 1962036 1964256 1979712 1996002 2013984 2016537 2034704 2069928 2094606 2130867 2147634 2150064 2169729 2172184 2209788 2227176 2265732 2271171 2289042 2328669 2365632 2418822 2443707 2482496 2505573 2525472 2545344 2589408 2595624 2616048 2661336 2688716 2759904 2764368 2792808 2841156 2863512 2866752 2870386 2892972 2920077 2943054 2946384 2969568 2994003 3020976 3028228 3052056 3104892 3141909 3225096 3258276 3314682 3340764 3375134 3433563 3460832 3488064 3548448 3685824 3723744 3788208 3818016 3857296 3893436 3924072 3928512 3992004 4027968 4033074 4069408 4139856 4189212 4261734 4295268 4300128 4305579 4339458 4344368 4414581 4419576 4454352 4531464 4542342 4578084 4657338 4705253 4837644 4887414 4972023 5011146 5050944 5062701 5178816 5191248 5232096 5322672 5377432 5519808 5528736 5585616 5682312 5727024 5740772 5785944 5840154 5886108 5892768 5939136 5988006 6041952 6049611 6056456 6104112 6209784 6283818 6392601 6450192 6509187 6516552 6629364 6681528 6750268 6813513 6867126 6921664 6986007 7096896 7331121 7447488 7516719 7576416 7636032 7714592 7786872 7848144 7984008 8066148 8138816 8279712 8378424 8523468 8590536 8600256 8611158 8678916 8688736 8760231 8829162 8839152 8908704 8919997 9062928 9084684 9156168 9314676 9410506 9425727 9675288 9774828 9944046 10022292 10046351 10125402 10300689 10382496 10464192 10645344 10754864 11057472 11171232 11364624 11454048 11481544 11571888 11680308 11772216 11785536 11976012 12083904 12099222 12112912 12208224 12419568 12567636 12785202 12900384 12916737 13018374 13033104 13243743 13258728 13363056 13500536 13627026 13734252 13972014 14115759 14662242 14916069 15033438 15152832 15188103 15429184 15573744 15696288 15968016 16132296 16559424 16756848 17046936 17181072 17222316 17357832 17377472 17520462 17658324 17678304 17817408 17839994 18125856 18148833 18169368 18312336 18629352 18821012 18851454 19045399 19350576 19527561 19549656 19888092 20044584 20092702 20250804 20440539 20601378 20764992 20958021 21290688 21509728 21993363 22342464 22729248 22908096 22963088 23143776 23360616 23544432 23952024 24198444 24225824 24416448 24839136 25135272 25570404 25800768 25833474 26036748 26066208 26280693 26487486 26517456 26726112 26759991 27001072 27254052 27468504 27944028 28231518 28277181 29324484 29832138 30066876 30139053 30376206 30902067 31147488 31392576 31936032 32264592 33513696 34093872 34362144 34444632 34715664 35040924 35316648 35356608 35679988 36251712 36297666 36338736 36624672 37258704 37642024 37702908 38090798 38701152 38750211 39055122 39099312 39731229 39776184 40089168 40185404 40501608 40881078 41202756 41916042 42347277 43019456 43986726 44748207 45458496 45564309 45926176 46287552 46721232 47088864 47904048 48396888 48451648 49678272 50270544 51140808 51666948 52073496 52132416 52561386 52974972 53034912 53102141 53452224 53519982 54002144 54446499 54508104 54937008 55888056 56463036 56554362 57136197 58582683 58648968 59664276 60133752 60278106 60752412 61321617 61804134 62294976 62439979 63872064 64529184 65980089 67027392 68187744 68724288 68889264 69431328 70081848 70633296 71359976 72595332 72677472 73249344 74517408 75284048 75405816 76181596 77402304 77500422 78110244 78198624 78842079 79462458 79552368 80178336 80279973 80370808 81003216 81762156 82405512 83832084 84694554 84831543 87973452 89496414 90417159 91128618 91852352 92706201 93442464 94177728 95808096 96793776 100541088 102281616 103333896 104146992 105122772 105949944 106069824 106204282 107039964 108004288 108892998 109016208 109874016 111776112 112926072 113108724 114272394 116250633 117165366 117297936 119328552 120267504 120556212 121504824 122643234 123608268 124879958 127041831 129058368 131960178 133317793 136375488 136692927 137778528 138862656 140163696 141266592 142719952 145190664 145354944 149034816 150568096 150811632 152363192 155000844 156220488 156397248 157684158 158924916 159104736 159306423 160356672 160559946 160741616 162006432 163339497 163524312 164811024 167664168 169389108 169663086 171408591 175748049 175946904 178992828 180834318 182257236 183964851 185412402 186884928 187319937 191616192 193587552 197940267 201082176 204563232 206667792 208293984 210245544 211899888 212408564 214079928 217785996 218032416 219748032 223552224 225852144 226217448 228544788 232501266 234330732 234595872 236526237 238657104 240535008 240839919 241112424 243009648 245286468 247216536 249759916 254083662 263920356 266635586 271251477 273385854 275557056 278118603 280327392 282533184 285439904 290381328 301136192 301623264 304726384 310001688 312440976 315368316 317849832 318209472 318612846 321119892 321483232 324012864 326678994 327048624 329622048 330039889 335328336 338778216 339326172 342817182 348751899 351496098 351893808 357985656 361668636 364514472 367929702 370824804 371714987 374639874 381125493 387175104 395880534 399953379 409126464 410078781 413335584 416587968 420491088 423799776 424817128 428159856 435571992 436064832 447104448 451704288 452434896 457089576 465002532 468661464 469191744 473052474 477314208 477919269 481070016 481679838 482224848 486019296 490018491 490572936 494433072 499519832 508167324 514225773 527244147 527840712 533271172 542502954 546771708 551894553 556237206 560654784 561959811 570879808 580762656 593820801 603246528 609452768 620003376 624881952 630736632 635699664 637225692 642239784 642966464 653357988 654097248 659244096 660079778 670656672 677556432 678652344 685634364 697503798 702992196 703787616 704679763 715971312 722519757 723337272 729028944 735859404 741649608 743429974 749279748 762250986 791761068 799906758 813754431 820157562 826671168 840982176 847599552 849634256 856319712 871143984 903408576 904869792 914179152 930005064 937322928 946104948 954628416 955838538 963359676 964449696 972038592 980036982 981145872 988866144 990119667 999039664 1016334648 1028451546 1046255697 1054488294 1055681424 1066542344 1085005908 1093543416 1103789106 1112474412 1115144961 1123919622 1143376479 1161525312 1187641602 1199860137 1218905536 1230236343 1240006752 1249763904 1261473264 1271399328 1274451384 1284479568 1306715976 1308194496 1320159556 1341313344 1355112864 1357304688 1371268728 1395007596 1405984392 1407575232 1409359526 1431942624 1433757807 1445039514 1446674544 1458057888 1470055473 1471718808 1483299216 1486859948 1498559496 1524501972 1542677319 1583522136 1599813516 1627508862 1640315124 1655683659 1681964352 1685879433 1699268512 1712639424 1742287968 1809739584 1828358304 1860010128 1874645856 1892209896 1911677076 1926719352 1928899392 1960073964 1962291744 1977732288 1980239334 1998079328 2032669296 2056903092 2092511394 2108976588 2111362848 2114039289 2133084688 2167559271 2170011816 2187086832 2207578212 2224948824 2230289922 2247839244 2286752958 2310279223 2375283204 2399720274 2441263293 2460472686 2480013504 2522946528 2542798656 2548902768 2568959136 2613431952 2640319112 2710225728 2714609376 2742537456 2790015192 2811968784 2818719052 2863885248 2867515614 2890079028 2893349088 2916115776 2940110946 2943437616 2966598432 2970359001 2973719896 2997118992 3049003944 3085354638 3138767091 3167044272 3199627032 3255017724 3280630248 3311367318 3345434883 3371758866 3398537024 3430129437 3484575936 3599580411 3656716608 3690709029 3720020256 3749291712 3784419792 3823354152 3853438704 3920147928 3924583488 3960478668 3996158656 4065338592 4113806184 4185022788 4217953176 4222725696 4228078578 4266169376 4301273421 4335118542 4340023632 4374173664 4415156424 4449897648 4460579844 4495678488 4573505916 4620558446 4628031957 4750566408 4799440548 4882526586 4920945372 4932758341 5045893056 5057638299 5097805536 5137918272 5226863904 5280638224 5429218752 5485074912 5580030384 5623937568 5637438104 5735031228 5780158056 5786698176 5880221892 5886875232 5933196864 5940718002 5947439792 5994237984 6098007888 6170709276 6277534182 6334088544 6342117867 6399254064 6502677813 6510035448 6561260496 6622734636 6690869766 6743517732 6860258874 6930837669 7199160822 7323789879 7381418058 7440040512 7568839584 7646708304 7706877408 7840295856 7920957336 8130677184 8227612368 8370045576 8435906352 8456157156 8532338752 8602546842 8670237084 8680047264 8748347328 8830312848 8899795296 8911077003 8921159688 8991356976 9147011832 9241116892 9256063914 9501132816 9598881096 9765053172 9841890744 9865516682 10036304649 10115276598 10195611072 10290388311 10453727808 10561276448 10798741233 10970149824 11160060768 11247875136 11274876208 11470062456 11560316112 11760443784 11773750464 11881436004 11894879584 11988475968 12196015776 12341418552 12555068364 12668177088 12684235734 12798508128 12903820263 13005355626 13020070896 13122520992 13245469272 13381739532 13487035464 13720517748 13861675338 13884095871 14398321644 14647579758 14762836116 14798275023 15137679168 15172914897 15293416608 15413754816 15680591712 15841914672 16455224736 16740091152 16871812704 16912314312 17205093684 17340474168 17360094528 17660625696 17799590592 17822154006 17842319376 17982713952 18294023664 18482233784 18512127828 19002265632 19026353601 19197762192 19508033439 19530106344 19683781488 19731033364 20072609298 20230553196 20580776622 20792513007 21122552896 21597482466 21971369637 22320121536 22549752416 22940124912 23120632224 23520887568 23762872008 23789759168 24392031552 24682837104 25110136728 25368471468 25597016256 25807640526 26010711252 26040141792 26073151231 26245041984 26490938544 26733231009 26763479064 26974070928 27441035496 27723350676 27768191742 28796643288 29295159516 29525672232 29596550046 30108913947 30345829794 30586833216 31361183424 31683829344 32396223699 32910449472 33480182304 33743625408 33824628624 34410187368 34680948336 35321251392 35644308012 35684638752 35965427904 36588047328 36964467568 37024255656 38004531264 38052707202 38395524384 38711460789 39016066878 39060212688 39367562976 39462066728 40145218596 40461106392 41161553244 41585026014 41652287613 43194964932 43942739274 44394825069 45099504832 45518744691 45880249824 46241264448 47041775136 47525744016 49365674208 50220273456 50736942936 51615281052 52021422504 52080283584 52146302462 52981877088 53466462018 53526958128 53948141856 54882070992 55446701352 55536383484 57079060803 57593286576 58590319032 59051344464 59193100092 60217827894 60691659588 62377539021 63367658688 64792447398 66960364608 67649257248 68820374736 69361896672 71288616024 71369277504 73176094656 73928935136 74048511312 76105414404 76791048768 77422921578 78032133756 78120425376 78219453693 78735125952 78924133456 80199693027 80290437192 80922212784 82323106488 83170052028 83304575226 86389929864 87885478548 88789650138 90326741841 91037489382 91760499648 94083550272 95051488032 97188671097 98731348416 100440546912 101473885872 103230562104 104042845008 104292604924 105963754176 106932924036 107053916256 107896283712 109764141984 110893402704 111072766968 114158121606 115186573152 116134382367 117180638064 118102688928 118386200184 120435655788 121383319176 124755078042 129584894796 133184475207 135298514496 136556234073 137640749472 138723793344 142577232048 147857870272 148097022624 152210828808 154845843156 156064267512 156240850752 156438907386 157848266912 160399386054 160580874384 161844425568 164646212976 166340104056 166609150452 171237182409 172779859728 175770957096 177579300276 180653483682 182074978764 182512058617 187132617063 190102976064 194377342194 200881093824 202947771744 206461124208 208085690016 208585209848 213865848072 214107832512 219528283968 221786805408 222145533936 228316243212 230373146304 232268764734 234361276128 234658361079 236205377856 236772400368 240599079081 240871311576 242766638352 249510156084 259169789592 266368950414 270980225523 273112468146 275281498944 285154464096 291566013291 296194045248 304421657616 309691686312 312128535024 312877814772 315696533824 320798772108 321161748768 323688851136 329292425952 332680208112 333218300904 342474364818 345559719456 351541914192 355158600552 361306967364 364149957528 365024117234 374265234126 388754684388 399553425621 405895543488 412922248416 416171380032 417170419696 427731696144 443573610816 444291067872 456632486424 464537529468 468722552256 469316722158 473544800736 481198158162 481742623152 485533276704 499020312168 513711547227 518339579184 532737900828 541960451046 546224936292 547536175851 561397851189 570308928192 583132026582 608843315232 619383372624 624257070048 625755629544 641597544216 642323497536 658584851904 665360416224 666436601808 684948729636 691119438912 703083828384 703975083237 710317201104 721797237243 722613934728 728299915056 730048234468 748530468252 777509368776 799106851242 812940676569 825844496832 834340839392 855463392288 888582135744 913264972848 929075058936 938633444316 947089601472 962396316324 963485246304 971066553408 998040624336 1027423094454 1036679158368 1065475801656 1083920902092 1092449872584 1095072351702 1122795702378 1166264053164 1198660276863 1217686630464 1238766745248 1248514140096 1251511259088 1283195088432 1330720832448 1332873203616 1369897459272 1406167656768 1407950166474 1420634402208 1443594474486 1445227869456 1456599830112 1460096468936 1497060936504 1541134641681 1555018737552 1598213702484 1625881353138 1642608527553 1668681678784 1684193553567 1710926784576 1826529945696 1858150117872 1877266888632 1924792632648 1926970492608 1996081248672 2054846188908 2073358316736 2111925249711 2130951603312 2167841804184 2184899745168 2190144703404 2245591404756 2332528106328 2397320553726 2477533490496 2503022518176 2566390176864 2665746407232 2739794918544 2815900332948 2841268804416 2887188948972 2890455738912 2913199660224 2920192937872 2994121873008 3082269283362 3110037475104 3196427404968 3251762706276 3285217055106 3368387107134 3595980830589 3653059891392 3716300235744 3754533777264 3849585265296 3992162497344 4109692377816 4223850499422 4261903206624 4335683608368 4369799490336 4380289406808 4491182809512 4665056212656 4794641107452 4927825582659 5006045036352 5052580660701 5132780353728 5479589837088 5631800665896 5774377897944 5780911477824 5840385875744 5988243746016 6164538566724 6220074950208 6335775749133 6392854809936 6503525412552 6570434110212 6736774214268 7191961661178 7432600471488 7509067554528 7699170530592 8219384755632 8447700998844 8523806413248 8671367216736 8739598980672 8760578813616 8982365619024 9330112425312 9589282214904 9855651165318 10105161321402 10787942491767 10959179674176 11263601331792 11548755795888 11680771751488 11976487492032 12329077133448 12671551498266 12785709619872 13007050825104 13140868220424 13473548428536 14383923322356 14783476747977 15018135109056 15398341061184 16438769511264 16895401997688 17342734433472 17521157627232 17964731238048 18660224850624 19007327247399 19178564429808 19711302330636 20210322642804 21575884983534 22527202663584 23097511591776 24658154266896 25343102996532 25571419239744 26014101650208 26281736440848 26947096857072 28767846644712 29566953495954 32877539022528 33790803995376 35042315254464 35929462476096 38014654494798 38357128859616 39422604661272 40420645285608 43151769967068 44350430243931 45054405327168 46195023183552 49316308533792 50686205993064 52028203300416 52563472881696 53894193714144 57021981742197 57535693289424 59133906991908 67581607990752 76029308989596 76714257719232 78845209322544 80841290571216 86303539934136 88700860487862 98632617067584 101372411986128 105126945763392 107788387428288 114043963484394 115071386578848 118267813983816 133051290731793 135163215981504 152058617979192 157690418645088 161682581142432 172607079868272 177401720975724 202744823972256 228087926968788 230142773157696 236535627967632 266102581463586 304117235958384 315380837290176 323365162284864 345214159736544 354803441951448 399153872195379 405489647944512 456175853937576 473071255935264 532205162927172 608234471916768 690428319473088 709606883902896 798307744390758 912351707875152 946142511870528 1064410325854344 1216468943833536 1419213767805792 1596615488781516 1824703415750304 2128820651708688 2838427535611584 3193230977563032 3649406831500608 4257641303417376 6386461955126064 8515282606834752 12772923910252128 25545847820504256
- Sum of all divisors σ(n): 90614986223462400
- Sum of proper divisors (its aliquot sum) s(n): 65069138402958144
- 25545847820504256 is an abundant number, because the sum of its proper divisors (65069138402958144) is greater than itself. Its abundance is 39523290582453888
Bases of 25545847820504256
- Binary: 10110101100000111010000001100001101001111001100110000002
- Hexadecimal: 0x5AC1D030D3CCC0
- Base-36: 6ZJ8WH63000
Squares and roots of 25545847820504256
- 25545847820504256 squared (255458478205042562) is 652590340868362046476898114113536
- 25545847820504256 cubed (255458478205042563) is 16670973536954176086887523140897639593521955209216
-
The
square root of 25545847820504256 is 159830684.8527661663 -
The
cube root of 25545847820504256 is 294514.5624244615
Scales and comparisons
How big is 25545847820504256?- 25,545,847,820,504,256 seconds is equal to 812,278,942 years, 10 weeks, 1 day, 12 hours, 57 minutes, 36 seconds.
-
To count from 1 to 25,545,847,820,504,256 would take you about two billion, four hundred thirty-six million, eight hundred thirty-six thousand, eight hundred twenty-six 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 25545847820504256 cubic inches would be around 24542.9 feet tall.
Recreational maths with 25545847820504256
- 25545847820504256 backwards is 65240502874854552
- 25545847820504256 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 25545847820504256's digits is 72
- 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 25545847820504256 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
APA style:
Numbermatics. (2024). Number 25545847820504256 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/25545847820504256/
Chicago style:
Numbermatics. 2024. "Number 25545847820504256 - Facts about the integer". https://numbermatics.com/n/25545847820504256/
The information we have on file for 25545847820504256 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 25545847820504256, math, Factors of 25545847820504256, curriculum, school, college, exams, university, Prime factorization of 25545847820504256, STEM, science, technology, engineering, physics, economics, calculator, twenty-five quadrillion, five hundred forty-five trillion, eight hundred forty-seven billion, eight hundred twenty million, five hundred four thousand, two hundred fifty-six.