1205013126608764928
1,205,013,126,608,764,928 is an even composite number composed of five prime numbers multiplied together.
1205013126608764928 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, eight hundred ninety divisors.
Prime factorization of 1205013126608764928:
214 × 76 × 132 × 892 × 467
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 7 × 7 × 7 × 13 × 13 × 89 × 89 × 467)See below for interesting mathematical facts about the number 1205013126608764928 from the Numbermatics database.
Names of 1205013126608764928
- Cardinal: 1205013126608764928 can be written as One quintillion, two hundred five quadrillion, thirteen trillion, one hundred twenty-six billion, six hundred eight million, seven hundred sixty-four thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 1.205013126608764928 × 1018
Factors of 1205013126608764928
Divisors of 1205013126608764928
- Number of divisors d(n): 1890
-
Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 89 91 98 104 112 128 169 178 182 196 208 224 256 338 343 356 364 392 416 448 467 512 623 637 676 686 712 728 784 832 896 934 1024 1157 1183 1246 1274 1352 1372 1424 1456 1568 1664 1792 1868 2048 2314 2366 2401 2492 2548 2704 2744 2848 2912 3136 3269 3328 3584 3736 4096 4361 4459 4628 4732 4802 4984 5096 5408 5488 5696 5824 6071 6272 6538 6656 7168 7472 7921 8099 8192 8281 8722 8918 9256 9464 9604 9968 10192 10816 10976 11392 11648 12142 12544 13076 13312 14336 14944 15041 15842 16198 16384 16562 16807 17444 17836 18512 18928 19208 19936 20384 21632 21952 22784 22883 23296 24284 25088 26152 26624 28672 29888 30082 30527 31213 31684 32396 33124 33614 34888 35672 37024 37856 38416 39872 40768 41563 42497 43264 43904 45568 45766 46592 48568 50176 52304 53248 55447 56693 57344 57967 59776 60164 61054 62426 63368 64792 66248 67228 69776 71344 74048 75712 76832 78923 79744 81536 83126 84994 86528 87808 91136 91532 93184 97136 100352 102973 104608 105287 106496 110894 113386 114688 115934 117649 119552 120328 122108 124852 126736 129584 132496 134456 139552 142688 148096 151424 153664 157846 159488 160181 163072 166252 169988 173056 175616 182272 183064 186368 194272 200704 205946 209216 210574 212992 213689 218491 221788 226772 231868 235298 239104 240656 244216 249704 253472 259168 264992 268912 279104 285376 290941 296192 297479 302848 307328 315692 318976 320362 326144 332504 339976 346112 351232 364544 366128 372736 388129 388544 396851 401408 405769 411892 418432 421148 427378 436982 443576 453544 463736 470596 478208 481312 488432 499408 506944 518336 529984 537824 540319 552461 558208 570752 581882 592384 594958 605696 614656 631384 637952 640724 652288 665008 679952 692224 702464 720811 729088 732256 737009 745472 776258 777088 793702 802816 811538 823784 836864 842296 854756 873964 887152 907088 927472 941192 956416 962624 976864 998816 1013888 1036672 1059968 1075648 1080638 1104922 1116416 1121267 1141504 1163764 1184768 1189916 1211392 1229312 1262768 1275904 1281448 1304576 1330016 1338649 1359904 1384448 1404928 1441622 1458176 1464512 1474018 1490944 1495823 1529437 1552516 1554176 1587404 1623076 1647568 1673728 1684592 1709512 1747928 1774304 1814176 1854944 1882384 1912832 1925248 1953728 1997632 2027776 2036587 2073344 2082353 2119936 2151296 2161276 2209844 2232832 2242534 2283008 2327528 2369536 2379832 2422784 2458624 2525536 2551808 2562896 2609152 2660032 2677298 2716903 2719808 2768896 2777957 2809856 2840383 2883244 2929024 2948036 2991646 3058874 3105032 3108352 3174808 3246152 3295136 3347456 3369184 3419024 3495856 3548608 3628352 3699107 3709888 3764768 3782233 3825664 3850496 3867227 3907456 3995264 4055552 4073174 4146688 4164706 4239872 4302592 4322552 4419688 4465664 4485068 4566016 4655056 4739072 4759664 4845568 4917248 5045677 5051072 5103616 5125792 5159063 5218304 5320064 5354596 5433806 5439616 5555914 5619712 5680766 5766488 5858048 5896072 5983292 6117748 6210064 6216704 6349616 6492304 6590272 6694912 6738368 6838048 6991712 7024147 7097216 7256704 7398214 7419776 7529536 7564466 7651328 7700992 7734454 7814912 7848869 7990528 8111104 8146348 8293376 8329412 8479744 8605184 8645104 8839376 8931328 8970136 9132032 9310112 9370543 9478144 9519328 9691136 9834496 10091354 10102144 10207232 10251584 10318126 10436608 10470761 10640128 10709192 10867612 10879232 11111828 11361532 11532976 11716096 11792144 11966584 12235496 12420128 12433408 12699232 12984608 13180544 13389824 13476736 13676096 13983424 14048294 14194432 14256109 14513408 14576471 14796428 14839552 15059072 15128932 15401984 15468908 15629824 15697738 15981056 16222208 16292696 16586752 16658824 16959488 17210368 17290208 17678752 17862656 17940272 18264064 18620224 18741086 18956288 19018321 19038656 19382272 19445699 19668992 19882681 20182708 20204288 20503168 20636252 20941522 21280256 21418384 21735224 21758464 22223656 22723064 23065952 23432192 23584288 23933168 24470992 24840256 24866816 25398464 25893749 25969216 26361088 26475631 26779648 26953472 27070589 27352192 27966848 28096588 28388864 28512218 29026816 29152942 29592856 29679104 30118144 30257864 30803968 30937816 31259648 31395476 31962112 32444416 32585392 33173504 33317648 33918976 34420736 34580416 35319739 35357504 35725312 35880544 36113441 36528128 37240448 37482172 38036642 38077312 38891398 39337984 39765362 40365416 40408576 41006336 41272504 41883044 42560512 42836768 43470448 43516928 44447312 45446128 46131904 46864384 47168576 47866336 48088391 48941984 49169029 49680512 49733632 50796928 51787498 51938432 52722176 52951262 53559296 53906944 54141178 54704384 54942083 55933696 56193176 56777728 57024436 58053632 58305884 59185712 59358208 60236288 60515728 61607936 61875632 62519296 62790952 63924224 64888832 65170784 65593801 66347008 66635296 67837952 68841472 69160832 70639478 70715008 71450624 71761088 72226882 73056256 74480896 74964344 76073284 76154624 77782796 79530724 80730832 80817152 82012672 82545008 83766088 85121024 85673536 86940896 87033856 88894624 90892256 92263808 93728768 94337152 95732672 96176782 97883968 98338058 99361024 99467264 99792763 101593856 102035297 103574996 103876864 105444352 105902524 107813888 108282356 109408768 109884166 111867392 112386352 113555456 114048872 116107264 116611768 118371424 118716416 120472576 121031456 123215872 123751264 125038592 125581904 127848448 129777664 130341568 131187602 132694016 133128247 133270592 135675904 136119893 137682944 138321664 141278956 141430016 143522176 144453764 148961792 149928688 152146568 152309248 155565592 159061448 161461664 161634304 164025344 165090016 167532176 170242048 171347072 173881792 174067712 177789248 181256243 181784512 184527616 185329417 187457536 188674304 189494123 191465344 192353564 195767936 196676116 198722048 199585526 203187712 204070594 207149992 207753728 210888704 211805048 215627776 216564712 218817536 219768332 223734784 224772704 227110912 228097744 232214528 233223536 236742848 237432832 240945152 242062912 246431744 247238173 247502528 250077184 251163808 252794087 255696896 260683136 262375204 266256494 266541184 272239786 275365888 276643328 282557912 282860032 287044352 288907528 297923584 299857376 304293136 304618496 311131184 318122896 322923328 323268608 328050688 330180032 335064352 336618737 340484096 342694144 344183203 347763584 348135424 355578496 362512486 363569024 369055232 370658834 374915072 377348608 378988246 382930688 384707128 391535872 393352232 397444096 399171052 406375424 408141188 414299984 415507456 421777408 423610096 431255552 433129424 437635072 439536664 447469568 449545408 454221824 456195488 459156607 464429056 466447072 473485696 474865664 481890304 484125824 494476346 495005056 500154368 502327616 505588174 511393792 521366272 524750408 532512988 533082368 544479572 553286656 565115824 565720064 574088704 577815056 595847168 599714752 608586272 609236992 622262368 625149083 636245792 645846656 646537216 656101376 660360064 670128704 673237474 680968192 685388288 688366406 695527168 696270848 698549341 711156992 714247079 725024972 727138048 738110464 741317668 754697216 757976492 765861376 769414256 783071744 786704464 794888192 798342104 812750848 816282376 828599968 831014912 843554816 847220192 862511104 866258848 875270144 879073328 894939136 899090816 908443648 912390976 918313214 928858112 931897729 932894144 946971392 949731328 963780608 968251648 988952692 990010112 1004655232 1011176348 1042732544 1049500816 1065025976 1066164736 1088959144 1106573312 1130231648 1131440128 1148177408 1155630112 1191694336 1199429504 1217172544 1218473984 1244524736 1250298166 1268793701 1272491584 1291693312 1293074432 1297305919 1312202752 1320720128 1326458861 1340257408 1346474948 1370776576 1376732812 1391054336 1397098682 1422313984 1428494158 1450049944 1454276096 1476220928 1482635336 1509394432 1515952984 1531722752 1538828512 1566143488 1573408928 1589776384 1596684208 1625501696 1632564752 1657199936 1662029824 1687109632 1694440384 1725022208 1730667211 1732517696 1750540288 1758146656 1769558609 1789878272 1798181632 1824781952 1836626428 1863795458 1865788288 1893942784 1927561216 1936503296 1977905384 1980020224 2009310464 2022352696 2085465088 2099001632 2130051952 2132329472 2177918288 2213146624 2260463296 2262880256 2296354816 2311260224 2356331159 2383388672 2398859008 2409282421 2434345088 2436947968 2489049472 2500596332 2537587402 2544983168 2583386624 2594611838 2624405504 2641440256 2652917722 2680514816 2692949896 2741553152 2753465624 2782108672 2794197364 2844627968 2856988316 2900099888 2908552192 2952441856 2965270672 3018788864 3031905968 3063445504 3077657024 3132286976 3146817856 3179552768 3193368416 3214096249 3251003392 3265129504 3314399872 3324059648 3388880768 3461334422 3465035392 3501080576 3516293312 3539117218 3579756544 3596363264 3649563904 3673252856 3727590916 3731576576 3787885568 3873006592 3955810768 3960040448 4018620928 4044705392 4170930176 4198003264 4260103904 4264658944 4355836576 4376043581 4426293248 4520926592 4525760512 4592709632 4622520448 4712662318 4766777344 4797718016 4818564842 4868690176 4873895936 4889845387 4978098944 5001192664 5075174804 5089966336 5166773248 5189223676 5282880512 5305835444 5361029632 5385899792 5483106304 5506931248 5564217344 5588394728 5689255936 5713976632 5800199776 5817104384 5904883712 5930541344 6037577728 6063811936 6126891008 6155314048 6264573952 6293635712 6359105536 6386736832 6428192498 6502006784 6530259008 6628799744 6648119296 6777761536 6922668844 6930070784 7032586624 7078234436 7192726528 7299127808 7346505712 7455181832 7463153152 7575771136 7746013184 7911621536 7920080896 8037241856 8089410784 8341860352 8396006528 8520207808 8529317888 8711673152 8752087162 8852586496 8881555907 9041853184 9051521024 9081141433 9185419264 9245040896 9285212027 9425324636 9595436032 9637129684 9737380352 9779690774 9956197888 10002385328 10150349608 10179932672 10333546496 10378447352 10565761024 10611670888 10722059264 10771799584 10966212608 11013862496 11128434688 11176789456 11378511872 11427953264 11600399552 11634208768 11809767424 11861082688 12075155456 12114670477 12127623872 12253782016 12310628096 12529147904 12587271424 12773473664 12856384996 13060518016 13257599488 13555523072 13845337688 13860141568 14065173248 14156468872 14385453056 14598255616 14693011424 14910363664 14926306304 15151542272 15492026368 15823243072 15840161792 16074483712 16178821568 16494318113 16683720704 16792013056 16864976947 17040415616 17058635776 17423346304 17504174324 17763111814 18083706368 18162282866 18370838528 18490081792 18570424054 18850649272 19190872064 19274259368 19474760704 19559381548 19912395776 20004770656 20300699216 20359865344 20667092992 20756894704 21131522048 21223341776 21444118528 21543599168 21932425216 22027724992 22256869376 22353578912 22498673743 22757023744 22855906528 23200799104 23268417536 23722165376 24229340954 24255247744 24507564032 24621256192 25058295808 25174542848 25546947328 25712769992 26121036032 26515198976 27111046144 27690675376 27720283136 28130346496 28312937744 28770906112 29196511232 29386022848 29820727328 29852612608 30303084544 30632305067 30984052736 31646486144 31680323584 32148967424 32357643136 32988636226 33367441408 33584026112 33729953894 34080831232 34117271552 34846692608 35008348648 35526223628 36167412736 36324565732 36980163584 37140848108 37701298544 38381744128 38548518736 38949521408 39118763096 39824791552 40009541312 40601398432 40719730688 41334185984 41513789408 42263044096 42446683552 42888237056 43087198336 44055449984 44513738752 44707157824 44997347486 45514047488 45711813056 46401598208 46536835072 47444330752 48458681908 48510495488 49242512384 50349085696 51093894656 51425539984 52242072064 53030397952 54222092288 55381350752 55440566272 56260692992 56625875488 57541812224 58393022464 58772045696 59641454656 59705225216 60606169088 61264610134 61968105472 62170891349 63292972288 63360647168 63567990031 64297934848 64715286272 65977272452 67168052224 67459907788 68161662464 69693385216 70016697296 71052447256 72334825472 72649131464 73960327168 74281696216 75402597088 76763488256 77097037472 77899042816 78237526192 79649583104 80019082624 81202796864 81439461376 82668371968 83027578816 84526088192 84893367104 85776474112 86174396672 88110899968 89414315648 89994694972 91423626112 92803196416 94888661504 96917363816 97020990976 98485024768 100698171392 102187789312 102851079968 104484144128 106060795904 108444184576 110762701504 110881132544 112521385984 113251750976 115083624448 115460226791 116786044928 117544091392 118054838629 119282909312 119410450432 122529220268 124341782698 126585944576 127135980062 128595869696 129430572544 131954544904 134336104448 134919815576 136323324928 139386770432 140033394592 142104894512 144669650944 145298262928 147920654336 148563392432 150805194176 153526976512 154194074944 155798085632 156475052384 157490716201 159299166208 160038165248 162405593728 162878922752 166055157632 169786734208 171552948224 172348793344 176221799936 178828631296 179989389944 182847252224 185606392832 189777323008 193834727632 194041981952 196970049536 201396342784 204375578624 205702159936 208968288256 212121591808 214426135469 216888369152 221525403008 221762265088 225042771968 226503501952 230920453582 233572089856 235088182784 236109677258 238565818624 238820900864 245058440536 248683565396 253171889152 254271960124 258861145088 263909089808 268672208896 269839631152 272646649856 278773540864 280066789184 284209789024 289339301888 290596525856 295841308672 297126784864 301610388352 308388149888 311596171264 312950104768 314981432402 318598332416 320076330496 324811187456 325757845504 332110315264 339573468416 344697586688 352443599872 357657262592 359978779888 365694504448 371212785664 379554646016 387669455264 388083963904 393940099072 402792685568 408751157248 411404319872 417936576512 424243183616 428852270938 433776738304 435196239443 443050806016 443524530176 450085543936 453007003904 461840907164 470176365568 472219354516 477131637248 490116881072 497367130792 506343778304 508543920248 517722290176 527818179616 537344417792 539679262304 545293299712 557547081728 560133578368 568419578048 578678603776 581193051712 591682617344 594253569728 603220776704 616776299776 625900209536 629962864804 640152660992 649622374912 664220630528 679146936832 689395173376 704887199744 715314525184 719957559776 731389008896 742425571328 759109292032 775338910528 776167927808 787880198144 805585371136 808221587537 817502314496 822808639744 826383870403 835873153024 857704541876 870392478886 886101612032 900171087872 906014007808 923681814328 940352731136 944438709032 954263274496 980233762144 994734261584 1012687556608 1017087840496 1035444580352 1055636359232 1074688835584 1079358524608 1090586599424 1115094163456 1120267156736 1136839156096 1162386103424 1188507139456 1206441553408 1233552599552 1251800419072 1259925729608 1280305321984 1299244749824 1328441261056 1358293873664 1378790346752 1409774399488 1430629050368 1439915119552 1462778017792 1484851142656 1500982948283 1518218584064 1550677821056 1552335855616 1616443175074 1635004628992 1645617279488 1652767740806 1671746306048 1715409083752 1740784957772 1772203224064 1812028015616 1847363628656 1880705462272 1888877418064 1908526548992 1960467524288 1989468523168 2025375113216 2034175680992 2070889160704 2111272718464 2158717049216 2181173198848 2230188326912 2240534313472 2273678312192 2324772206848 2377014278912 2412883106816 2467105199104 2503600838144 2519851459216 2560610643968 2598489499648 2656882522112 2716587747328 2757580693504 2819548798976 2861258100736 2879830239104 2925556035584 2969702285312 3001965896566 3036437168128 3101355642112 3104671711232 3232886350148 3291234558976 3305535481612 3430818167504 3481569915544 3544406448128 3624056031232 3694727257312 3761410924544 3777754836128 3817053097984 3920935048576 3978937046336 4050750226432 4068351361984 4141778321408 4222545436928 4317434098432 4481068626944 4547356624384 4649544413696 4754028557824 4825766213632 4934210398208 5007201676288 5039702918432 5121221287936 5196978999296 5313765044224 5433175494656 5515161387008 5639097597952 5657551112759 5722516201472 5759660478208 5851112071168 6003931793132 6202711284224 6465772700296 6582469117952 6611070963224 6861636335008 6963139831088 7088812896256 7248112062464 7389454514624 7522821849088 7555509672256 7634106195968 7841870097152 7957874092672 8136702723968 8445090873856 8634868196864 8962137253888 9094713248768 9299088827392 9508057115648 9651532427264 9868420796416 10014403352576 10079405836864 10242442575872 10393957998592 10506880637981 10627530088448 10866350989312 11315102225518 11445032402944 11519320956416 11702224142336 12007863586264 12405422568448 12931545400592 13164938235904 13222141926448 13723272670016 13926279662176 14177625792512 14496224124928 14778909029248 15111019344512 15268212391936 15683740194304 15915748185344 16273405447936 16890181747712 17269736393728 17924274507776 18189426497536 18598177654784 19016114231296 19303064854528 19736841592832 20028806705152 20158811673728 20787915997184 21013761275962 21255060176896 21732701978624 22630204451036 23038641912832 24015727172528 24810845136896 25863090801184 26329876471808 26444283852896 27446545340032 27852559324352 28355251585024 28992448249856 29557818058496 30222038689024 31367480388608 31831496370688 32546810895872 33780363495424 34539472787456 35848549015552 36378852995072 37196355309568 38032228462592 38606129709056 39473683185664 40057613410304 40317623347456 42027522551924 45260408902072 46077283825664 48031454345056 49621690273792 51726181602368 52659752943616 52888567705792 54893090680064 55705118648704 59115636116992 60444077378048 62734960777216 63662992741376 65093621791744 67560726990848 69078945574912 71697098031104 72757705990144 73548164465867 74392710619136 76064456925184 80115226820608 80635246694912 84055045103848 90520817804144 92154567651328 96062908690112 99243380547584 103452363204736 105777135411584 109786181360128 111410237297408 118231272233984 120888154756096 125469921554432 127325985482752 130187243583488 135121453981696 138157891149824 145515411980288 147096328931734 148785421238272 152128913850368 161270493389824 168110090207696 181041635608288 184309135302656 192125817380224 198486761095168 206904726409472 211554270823168 219572362720256 222820474594816 236462544467968 241776309512192 250939843108864 254651970965504 260374487166976 270242907963392 276315782299648 294192657863468 322540986779648 336220180415392 362083271216576 368618270605312 384251634760448 413809452818944 423108541646336 439144725440512 445640949189632 472925088935936 483552619024384 501879686217728 509303941931008 520748974333952 588385315726936 645081973559296 672440360830784 724166542433152 768503269520896 827618905637888 846217083292672 878289450881024 891281898379264 945850177871872 967105238048768 1018607883862016 1041497948667904 1176770631453872 1290163947118592 1344880721661568 1448333084866304 1537006539041792 1655237811275776 1692434166585344 1756578901762048 1782563796758528 1891700355743744 1934210476097536 2353541262907744 2580327894237184 2689761443323136 2896666169732608 3074013078083584 3310475622551552 3384868333170688 3513157803524096 3565127593517056 4707082525815488 5379522886646272 5793332339465216 6148026156167168 6620951245103104 6769736666341376 7130255187034112 9414165051630976 10759045773292544 11586664678930432 12296052312334336 13241902490206208 13539473332682752 18828330103261952 21518091546585088 23173329357860864 24592104624668672 37656660206523904 43036183093170176 46346658715721728 75313320413047808 86072366186340352 92693317431443456 150626640826095616 172144732372680704 301253281652191232 602506563304382464 1205013126608764928
- Sum of all divisors σ(n): 3085708224435195996
- Sum of proper divisors (its aliquot sum) s(n): 1880695097826431068
- 1205013126608764928 is an abundant number, because the sum of its proper divisors (1880695097826431068) is greater than itself. Its abundance is 675681971217666140
Bases of 1205013126608764928
- Binary: 10000101110010001000100001101111000010011001011000000000000002
- Hexadecimal: 0x10B9110DE132C000
- Base-36: 95L1I461X1Q8
Squares and roots of 1205013126608764928
- 1205013126608764928 squared (12050131266087649282) is 1452056635299431334147484593562845184
- 1205013126608764928 cubed (12050131266087649283) is 1749747306115170851023391529699240952607279895912906752
-
The
square root of 1205013126608764928 is 1097730898.9951794775 -
The
cube root of 1205013126608764928 is 1064136.3027234079
Scales and comparisons
How big is 1205013126608764928?- 1,205,013,126,608,764,928 seconds is equal to 38,315,690,075 years, 43 weeks, 10 hours, 42 minutes, 8 seconds.
-
To count from 1 to 1,205,013,126,608,764,928 would take you about one hundred thirty-four billion, one hundred four million, nine hundred fifteen thousand, two hundred sixty-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 1205013126608764928 cubic inches would be around 88678 feet tall.
Recreational maths with 1205013126608764928
- 1205013126608764928 backwards is 8294678066213105021
- The number of decimal digits it has is: 19
- The sum of 1205013126608764928's digits is 71
- 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 1205013126608764928 - Facts about the integer". Numbermatics.com. 2024. Web. 8 June 2024.
APA style:
Numbermatics. (2024). Number 1205013126608764928 - Facts about the integer. Retrieved 8 June 2024, from https://numbermatics.com/n/1205013126608764928/
Chicago style:
Numbermatics. 2024. "Number 1205013126608764928 - Facts about the integer". https://numbermatics.com/n/1205013126608764928/
The information we have on file for 1205013126608764928 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 1205013126608764928, math, Factors of 1205013126608764928, curriculum, school, college, exams, university, Prime factorization of 1205013126608764928, STEM, science, technology, engineering, physics, economics, calculator, one quintillion, two hundred five quadrillion, thirteen trillion, one hundred twenty-six billion, six hundred eight million, seven hundred sixty-four thousand, nine hundred twenty-eight.