298146069558580950
298,146,069,558,580,950 is an even composite number composed of eight prime numbers multiplied together.
298146069558580950 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of one thousand, nine hundred forty-four divisors.
Prime factorization of 298146069558580950:
2 × 32 × 52 × 7 × 192 × 532 × 1372 × 4973
(2 × 3 × 3 × 5 × 5 × 7 × 19 × 19 × 53 × 53 × 137 × 137 × 4973)See below for interesting mathematical facts about the number 298146069558580950 from the Numbermatics database.
Names of 298146069558580950
- Cardinal: 298146069558580950 can be written as Two hundred ninety-eight quadrillion, one hundred forty-six trillion, sixty-nine billion, five hundred fifty-eight million, five hundred eighty thousand, nine hundred fifty.
Scientific notation
- Scientific notation: 2.9814606955858095 × 1017
Factors of 298146069558580950
Divisors of 298146069558580950
- Number of divisors d(n): 1944
-
Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 19 21 25 30 35 38 42 45 50 53 57 63 70 75 90 95 105 106 114 126 133 137 150 159 171 175 190 210 225 265 266 274 285 315 318 342 350 361 371 399 411 450 475 477 525 530 570 630 665 685 722 742 795 798 822 855 950 954 959 1007 1050 1083 1113 1197 1233 1325 1330 1370 1425 1575 1590 1710 1805 1855 1918 1995 2014 2055 2166 2226 2385 2394 2466 2527 2603 2650 2809 2850 2877 3021 3150 3249 3325 3339 3425 3610 3710 3975 3990 4110 4275 4770 4795 4973 5035 5054 5206 5415 5565 5618 5754 5985 6042 6165 6498 6650 6678 6850 7049 7261 7581 7809 7950 8427 8550 8631 9025 9063 9275 9590 9946 9975 10070 10275 10830 11130 11925 11970 12330 12635 13015 14045 14098 14385 14522 14919 15105 15162 15618 16245 16695 16854 17262 18050 18126 18221 18550 18769 19133 19663 19950 20550 21147 21783 22743 23427 23850 23975 24865 25175 25270 25281 26030 27075 27825 28090 28770 29838 29925 30210 30825 32490 33390 34811 35245 36305 36442 37538 37905 38266 39045 39326 42135 42294 43155 43566 44757 45315 45486 46854 47950 49457 49730 50350 50562 50827 53371 54150 54663 55650 56307 57399 58989 59850 61650 63175 63441 65075 65349 69622 70225 70490 71925 72610 74595 75525 75810 78090 81225 83475 84270 86310 89514 90630 91105 93845 94487 95665 98315 98914 101654 104433 105735 106742 108915 109326 112614 113715 114798 117135 117978 124325 126350 126405 126882 130150 130698 131383 133931 137959 140450 143850 148371 149190 151050 152481 160113 162450 163989 166950 168921 172197 174055 176225 176967 181525 182210 187690 188974 189525 191330 195225 196630 208866 210675 211470 215775 217830 223785 226575 227430 234270 247285 248650 252810 254135 262766 263569 266855 267862 273315 275918 281535 283461 286995 294945 296742 304962 313299 317205 320226 326745 327978 337842 344394 346199 348110 352450 353934 356611 363050 372975 373597 379050 384833 390450 394149 401793 413877 421350 431550 445113 447570 453150 455525 457443 469225 472435 478325 480339 491575 494570 508270 522165 527138 528675 533710 544575 546630 563070 566922 568575 573990 585675 589890 626598 632025 634410 653490 656915 661409 669655 681301 689795 692398 713222 741855 745950 747194 762405 769666 788298 790707 800565 803586 819945 827754 844605 850383 860985 870275 884835 890226 911050 914886 938450 944870 956650 960678 965713 983150 994757 1014049 1038597 1044330 1057350 1069833 1089150 1118925 1120791 1137150 1154499 1171350 1182447 1205379 1236425 1241631 1264050 1270675 1313830 1317845 1322818 1334275 1339310 1362602 1366575 1379590 1407675 1417305 1434975 1474725 1483710 1524810 1566495 1581414 1586025 1601130 1633725 1639890 1689210 1700766 1721970 1730995 1740550 1769670 1783055 1795253 1844983 1867985 1924165 1931426 1970745 1984227 1989514 2008965 2028098 2043903 2069385 2077194 2139666 2225565 2237850 2241582 2287215 2308998 2362175 2364894 2372121 2401695 2410758 2472850 2483262 2496277 2541350 2610825 2621221 2635690 2668550 2693831 2733150 2815350 2834610 2869950 2897139 2949450 2984271 3042147 3115791 3132990 3172050 3209499 3267450 3284575 3307045 3348275 3362373 3406505 3448975 3461990 3463497 3566110 3590506 3689966 3709275 3735970 3812025 3848330 3941490 3953535 3968454 4002825 4017930 4087806 4099725 4138770 4223025 4251915 4304925 4424175 4451130 4574430 4724350 4744242 4769107 4803390 4828565 4973785 4992554 5007811 5070245 5192985 5221650 5242442 5349165 5385759 5387662 5534949 5603955 5772495 5794278 5912235 5952681 5968542 6026895 6084294 6131709 6208155 6231582 6418998 6569150 6589225 6614090 6696550 6724746 6775609 6813010 6897950 6926994 6963299 7086525 7098343 7311827 7418550 7488831 7624050 7832475 7863663 7907070 8005650 8081493 8199450 8446050 8503830 8609850 8654975 8691417 8848350 8915275 8952813 8976265 9126441 9224915 9339925 9538214 9620825 9657130 9853725 9921135 9947570 10015622 10044825 10140490 10219515 10346925 10385970 10698330 10771518 11069898 11127825 11207910 11436075 11544990 11824470 11860605 11905362 12008475 12053790 12263418 12416310 12481385 12566771 12944719 13106105 13178450 13469155 13551218 13926598 13969157 14173050 14196686 14307321 14485695 14623654 14921355 14977662 15023433 15210735 15578955 15664950 15727326 16047495 16157277 16162986 16535225 16604847 16811865 17032525 17309950 17317485 17382834 17830550 17905626 17952530 18252882 18348547 18449830 18679850 18900383 19241650 19707450 19767675 19842270 20089650 20326827 20439030 20693850 20889897 21259575 21295029 21935481 22255650 22466493 22872150 23590989 23721210 23845535 24016950 24142825 24244479 24868925 24962770 25039055 25133542 25351225 25889438 25964925 26212210 26745825 26928795 26938310 27674745 27938314 28019775 28614642 28862475 28971390 29561175 29763405 29842710 30046866 30134475 30421470 30658545 31040775 31157910 32094990 32314554 33070450 33209694 33623730 33878045 34065050 34634970 34816495 35054677 35491715 36108953 36559135 36697094 37444155 37700313 37800766 38834157 39318315 39535350 40407465 40653654 41779794 41907471 42519150 42590058 42921963 43457085 43870962 44764065 44881325 44932986 45070299 45632205 46124575 47181978 47429263 47691070 48285650 48488958 49605675 49737850 50078110 50702450 51097575 51182789 51929850 52722121 53491650 53857590 55045641 55349490 56039550 56701149 57724950 59122350 59303025 59526810 60268950 60980481 61317090 62081550 62406925 62669691 62833855 63885087 64723595 65530525 65806443 67345775 67756090 69632990 69845785 70109354 70983430 71536605 72217906 72428475 73118270 74606775 74888310 75117165 75400626 76053675 77668314 77894775 78636630 80237475 80786385 80814930 83024235 83814942 84059325 85843926 86587425 86914170 89528130 89762650 90140598 90613033 91264410 91742735 92249150 93338237 94501915 94858526 95148409 97784099 99211350 101634135 102195150 102365578 104449485 105164031 105444242 106475145 108326859 109677405 110091282 112332465 113100939 113402298 116502471 117954945 118606050 119227675 121222395 121960962 124813850 125195275 125339382 125667710 125722413 127770174 129447190 131061050 131612886 132302681 134643975 134691550 138373725 138924713 139691570 142287789 143073210 144856950 148817025 149213550 150234330 152107350 153292725 153548367 155789550 158166363 160474950 161572770 165136923 166048470 168118650 169390225 170103447 173174850 174082475 175273385 177458575 180544765 181226066 182795675 183485470 186676474 187220775 188501565 189003830 190296818 194170785 195568198 196591575 202037325 203268270 208898970 209537355 210328062 212950290 214609815 216653718 217285425 219354810 223820325 224664930 225351495 226201878 228161025 233004942 235909890 237146315 238455350 242444790 245949661 250390550 251444826 252762671 255913945 263610605 264605362 265413983 269287950 271839099 275228205 276747450 277849426 280014711 283505745 284575578 285445227 293352297 297634050 304902405 306585450 307096734 313348455 314169275 315492093 316332726 319425435 323617975 324980577 329032215 330273846 338780450 340206894 348164950 349228925 350546770 354917150 357683025 359107277 361089530 365591350 369054847 374441550 375585825 377003130 388341570 393183150 396908043 403931925 404074650 415121175 416774139 419074710 426863367 429219630 434570850 447640650 450702990 453065165 456322050 458713675 460645101 466691185 472509575 474292630 474499089 475742045 488920495 491899322 505525342 508170675 511827890 522247425 525820155 527221210 530827966 532375725 541634295 543678198 548387025 550456410 560029422 561662325 565504695 567011490 570890454 582512355 586704594 589774725 606111975 609804810 626696910 628338550 628612065 630984186 638850870 647235950 649961154 653367659 658064430 661513405 666038863 686070107 694623565 698457850 711438945 715366050 718214554 737848983 738109694 751171650 758288013 767741835 790831815 793816086 796241949 807863850 815517297 825684615 830242350 833548278 840044133 850517235 853726734 856335681 876366925 880056891 902723825 906130330 917427350 921290202 933382370 942507825 945019150 948998178 951484090 970853925 972472991 977840990 1001720299 1016341350 1044494850 1047686775 1051640310 1064751450 1073049075 1077321831 1083268590 1096774050 1107164541 1123324650 1126757475 1131009390 1165024710 1179549450 1185731575 1190724129 1212223950 1229748305 1250322417 1257224130 1263813355 1279569725 1306735318 1318053025 1323026810 1327069915 1332077726 1359195495 1372140214 1376141025 1389247130 1400073555 1417528725 1422877890 1427226135 1466761485 1475697966 1516576026 1524512025 1535483670 1566742275 1577460465 1581663630 1592483898 1597127175 1624902885 1631034594 1645161075 1651369230 1680088266 1701034470 1712671362 1721647627 1752733850 1760113782 1773426503 1795536385 1805447650 1845274235 1857897881 1885015650 1913774509 1941707850 1944945982 1960102977 1984540215 1998116589 2003440598 2058210321 2083870695 2095373550 2134316835 2146098150 2154643662 2213546949 2214329082 2253514950 2265325825 2274864039 2303225505 2333455925 2371463150 2372495445 2378710225 2381448258 2388725847 2444602475 2459496610 2500644834 2513750939 2527626710 2559139450 2629100775 2636106050 2654139830 2708171475 2718390990 2752282050 2800147110 2827523475 2835057450 2854452270 2912561775 2917418973 2933522970 3005160897 3049024050 3133484550 3143060325 3154920930 3194254350 3231965493 3249805770 3266838295 3290322150 3307567025 3321493623 3330194315 3430350535 3443295254 3473117825 3546853006 3557194725 3591072770 3689244915 3690548470 3715795762 3791440065 3827549018 3838709175 3920205954 3954159075 3969080430 3981209745 3996233178 4077586485 4116420642 4128423075 4167741390 4200220665 4252586175 4268633670 4281678405 4400284455 4427093898 4530651650 4549728078 4606451010 4666911850 4744990890 4757420450 4777451694 4802490749 4862364955 4889204950 4946926561 5008601495 5027501878 5042865677 5164942881 5258201550 5320279509 5386609155 5416342950 5535822705 5573693643 5655046950 5741323527 5825123550 5834837946 5880308931 5953620645 5994349767 6010321794 6148741525 6174630963 6251612085 6286120650 6319066775 6463930986 6533676590 6615134050 6635349575 6642987246 6660388630 6795977475 6860701070 6946235650 7000367775 7012042093 7114389450 7136130675 7333807425 7378489830 7541252817 7582880130 7677418350 7887302325 7908318150 7962419490 8124514425 8155172970 8256846150 8400441330 8505172350 8563356810 8608238135 8752256919 8800568910 8867132515 8977681925 9015482691 9226371175 9289489405 9568872545 9604981498 9724729910 9800514885 9893853122 9922701075 9990582945 10017202990 10085731354 10291051605 10329885762 10419353475 10640559018 10671584175 10773218310 11067734745 11071645410 11147387286 11374320195 11482647054 11516127525 11760617862 11862477225 11907241290 11943629235 11988699534 12297483050 12349261926 12413985521 12503224170 12568754695 12638133550 13035332033 13270699150 13396421563 13591954950 14000735550 14024084186 14272261350 14407472247 14587094865 14667614850 14840779683 15025804485 15082505634 15128597031 15494828643 15774604650 15960838527 16159827465 16249028850 16334191475 16607468115 16650971575 16721080929 17151752675 17216476270 17223970581 17504513838 17734265030 17955363850 18030965382 18446224575 18452742350 18578978810 18957200325 19032685681 19137745090 19601029770 19845402150 19906048725 19981165890 20387932425 20582103210 20838706950 21001103325 21036126279 21343168350 21408392025 22001422275 22135469490 22623758451 22748640390 23032255050 23724954450 23887258470 24012453745 24311824775 24734632805 24827971042 25043007475 25137509390 25214328385 25824714405 26070664066 26601397545 26792843126 26933045775 27679113525 27868468215 28706617635 28814944494 29174189730 29401544655 29681559366 29768103225 29971748835 30051608970 30257194062 30873154815 30989657286 31258060425 31921677054 32319654930 32668382950 33214936230 33301943150 33442161858 33695103557 34303505350 34447941162 34628485927 35060210465 35300059739 36361715671 36892449150 37241956563 37706264085 37914400650 38065371362 39105996099 39812097450 40189264689 40775864850 42002206650 42072252558 42816784050 43041190675 43222416741 43761284595 44002844550 44335662575 44522339049 45077413455 45247516902 45385791093 46447447025 47844362725 48024907490 48623649550 49002574425 49469265610 49952914725 50086014950 50428656770 51455258025 51649428810 53202795090 53866091550 55338673725 55358227050 55736936430 56871600975 57098057043 57413235270 58803089310 59536206450 59718146175 59943497670 61746309630 62069927605 62516120850 62843773475 63108378837 65176660165 66982107815 67390207114 69256971854 70120420930 70600119478 72037361235 72723431342 72935474325 74203898415 74483913126 75129022425 75412528170 75642985155 77474143215 78211992198 79804192635 80378529378 80799137325 83037340575 83605404645 86082381350 86119852905 86444833482 87522569190 88671325150 89044678098 90154826910 90771582186 91247324231 92894894050 93991604659 95163428405 95688725450 98005148850 99905829450 101085310671 102910516050 103885457781 105180631395 105900179217 109085147013 110677347450 111725869689 113118792255 113743201950 114196114086 117317988297 119436292350 120062268725 120567794067 123673164025 124139855210 125687546950 126071641925 126216757674 129123572025 130353320330 133006987725 133228799767 133964215630 139342341075 143533088175 144074722470 145870948650 147007723275 148407796830 149858744175 150258044850 151285970310 154365774075 154948286430 159608385270 161598274650 166074681150 167210809290 168475517785 171294171129 172239705810 173142429635 175301052325 176500298695 181808578355 182494648462 186209782815 187983209318 188531320425 190326856810 195529980495 200946323445 202170621342 207770915562 210361262790 211800358434 216112083705 218170294026 218806422975 222611695245 223451739378 225387067275 226237584510 226928955465 234635976594 235865724899 240124537450 241135588134 247346328050 252143283850 254532009697 258247144050 262187107733 266013975450 266457599534 273741972693 278684682150 281974813977 285490285215 287066176350 294015446550 299717488350 303255932013 308731548150 310349638025 311656373343 315541894185 317700537651 325883300825 327255441039 334910539075 336951035570 342588342258 346284859270 350602104650 353000597390 360186806175 363617156710 371019492075 372419565630 377062640850 378214925775 387370716075 391059960990 399020963175 399686399301 401892646890 418027023225 430599264525 432224167410 437612845950 445223390490 450774134550 453857910930 456236621155 469958023295 471731449798 475817142025 505426553355 509064019394 519427288905 524374215466 525903156975 529500896085 545425735065 547483945386 558629348445 563949627954 565593961275 570980570430 586589941485 602838970335 606511864026 620699276050 623312746686 631083788370 635401075302 651766601650 654510882078 657941232613 666143998835 669821078150 690872597749 707597174697 720373612350 742038984150 756429851550 763596029091 774741432150 786561323199 798041926350 799372798602 821225918079 836054046450 842377588925 845924441931 856470855645 861198529050 865712148175 882501493475 909042891775 912473242310 931048914075 939916046590 951634284050 977649902475 1004731617225 1010853106710 1038854577810 1051806313950 1059001792170 1080560418525 1090851470130 1113058476225 1117258696890 1131187922550 1134644777325 1173179882970 1179328624495 1199059197903 1205677940670 1272660048485 1310935538665 1315882465226 1332287997670 1368709863465 1381745195498 1409874069885 1415194349394 1427451426075 1516279660065 1527192058182 1558281866715 1573122646398 1577709470925 1588502688255 1636277205195 1642451836158 1684755177850 1691848883862 1712941711290 1731424296350 1765002986950 1785840488521 1818085783550 1835309754131 1862097828150 1955299804950 1973823697839 1998431996505 2009463234450 2072617793247 2122791524091 2161120837050 2226116952450 2269289554650 2281183105775 2290788087273 2349790116475 2358657248990 2359683969597 2398118395806 2527132766775 2545320096970 2597136444525 2621871077330 2647504480425 2727128675325 2737419726930 2793146742225 2819748139770 2854902852150 2932949707425 3014194851675 3032559320130 3116563733430 3155418941850 3177005376510 3272554410390 3289706163065 3330719994175 3454362988745 3537985873485 3571680977042 3670619508262 3817980145455 3932806615995 3947647395678 3996863993010 4106129590395 4145235586494 4229622209655 4245583048182 4282354278225 4562366211550 4581576174546 4699580232950 4719367939194 4836108184243 4981555046927 5054265533550 5194272889050 5295008960850 5357521465563 5454257350650 5505929262393 5586293484450 5865899414850 5896643122475 5921471093517 5995295989515 6028389703350 6217853379741 6363300242425 6554677693325 6579412326130 6661439988350 6843549317325 6908725977490 7049370349425 7075971746970 7581398300325 7635960290910 7791409333575 7865613231990 7942513441275 8181386025975 8212259180790 8459244419310 8564708556450 8929202442605 9176548770655 9672216368486 9869118489195 9963110093854 9992159982525 10363088966235 10613957620455 10715042931126 11011858524786 11453940436365 11793286244950 11798419847985 11842942187034 11990591979030 12435706759482 12500883419647 12726600484850 13109355386650 13687098634650 14098740698850 14508324552729 14944665140781 15162796600650 15582818667150 15885026882550 16072564396689 16362772051950 16448530815325 16517787787179 17271814943725 17689929367425 17858404885210 18353097541310 19089900727275 19664033079975 19738236978390 19984319965050 20530647951975 20726177932470 21148111048275 21227915240910 22907880872730 23596839695970 24180540921215 24907775234635 25001766839294 26787607327815 27529646311965 29016649105458 29607355467585 29889330281562 29976479947575 31089266898705 32145128793378 32897061630650 33035575574358 34543629887450 34870885328489 35379858734850 37502650258941 38179801454550 39328066159950 41061295903950 42296222096550 43524973658187 44646012213025 44833995422343 45882743853275 48361081842430 49345592445975 49815550469270 51815444831175 53069788102275 53575214655630 55059292623930 57269702181825 58992099239925 59214710935170 59952959895150 62178533797410 62504417098235 69741770656978 72541622763645 74723325703905 75005300517882 80362821983445 82588938935895 87049947316374 89292024426050 89667990844686 91765487706550 94649545891613 98691184891950 103630889662350 104612655985467 106139576204550 112507950776823 114539404363650 117984198479850 120902704606075 124538876173175 125008834196470 133938036639075 137648231559825 145083245527290 148036777337925 149446651407810 155446334493525 160725643966890 165177877871790 174354426642445 187513251294705 189299091783226 209225311970934 217624868290935 224169977111715 225015901553646 241805409212150 249077752346350 267876073278150 275296463119650 283948637674839 296073554675850 310892668987050 312522085491175 313837967956401 348708853284890 362708113818225 373616628519525 375026502589410 401814109917225 412944694679475 435249736581870 448339954223430 473247729458065 523063279927335 562539753884115 567897275349678 625044170982350 627675935912802 662546821241291 725416227636450 747233257039050 803628219834450 825889389358950 851845913024517 871772133212225 937566256473525 946495458916130 1046126559854670 1088124341454675 1120849885558575 1125079507768230 1325093642482582 1419743188374195 1569189839782005 1703691826049034 1743544266424450 1875132512947050 1987640463723873 2176248682909350 2241699771117150 2366238647290325 2615316399636675 2812698769420575 2839486376748390 3138379679564010 3312734106206455 3975280927447746 4259229565122585 4732477294580650 5230632799273350 5625397538841150 5962921391171619 6625468212412910 7098715941870975 7845949198910025 8518459130245170 9938202318619365 11925842782343238 14197431883741950 15691898397820050 16563670531032275 19876404637238730 21296147825612925 29814606955858095 33127341062064550 42592295651225850 49691011593096825 59629213911716190 99382023186193650 149073034779290475 298146069558580950
- Sum of all divisors σ(n): 992181252511573488
- Sum of proper divisors (its aliquot sum) s(n): 694035182952992538
- 298146069558580950 is an abundant number, because the sum of its proper divisors (694035182952992538) is greater than itself. Its abundance is 395889113394411588
Bases of 298146069558580950
- Binary: 100001000110011101001000101010001110011011111010110110101102
- Hexadecimal: 0x4233A454737D6D6
- Base-36: 29JNYLIFS6HI
Squares and roots of 298146069558580950
- 298146069558580950 squared (2981460695585809502) is 88891078793230190233583777702902500
- 298146069558580950 cubed (2981460695585809503) is 26502525761023708269112568333646178719148596207375000
-
The
square root of 298146069558580950 is 546027535.5314793555 -
The
cube root of 298146069558580950 is 668051.1195584699
Scales and comparisons
How big is 298146069558580950?- 298,146,069,558,580,950 seconds is equal to 9,480,122,785 years, 32 weeks, 1 day, 1 hour, 22 minutes, 30 seconds.
-
To count from 1 to 298,146,069,558,580,950 would take you about twenty-eight billion, four hundred forty million, three hundred sixty-eight thousand, three hundred fifty-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 298146069558580950 cubic inches would be around 55670.9 feet tall.
Recreational maths with 298146069558580950
- 298146069558580950 backwards is 059085855960641892
- 298146069558580950 is a
Harshad number . - The number of decimal digits it has is: 18
- The sum of 298146069558580950'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 298146069558580950 - Facts about the integer". Numbermatics.com. 2024. Web. 20 September 2024.
APA style:
Numbermatics. (2024). Number 298146069558580950 - Facts about the integer. Retrieved 20 September 2024, from https://numbermatics.com/n/298146069558580950/
Chicago style:
Numbermatics. 2024. "Number 298146069558580950 - Facts about the integer". https://numbermatics.com/n/298146069558580950/
The information we have on file for 298146069558580950 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 298146069558580950, math, Factors of 298146069558580950, curriculum, school, college, exams, university, Prime factorization of 298146069558580950, STEM, science, technology, engineering, physics, economics, calculator, two hundred ninety-eight quadrillion, one hundred forty-six trillion, sixty-nine billion, five hundred fifty-eight million, five hundred eighty thousand, nine hundred fifty.