497954667647533096
497,954,667,647,533,096 is an even composite number composed of six prime numbers multiplied together.
What does the number 497954667647533096 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 1920 divisors.
497954667647533096 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, nine hundred twenty divisors.
Prime factorization of 497954667647533096:
23 × 74 × 11 × 132 × 293 × 833
(2 × 2 × 2 × 7 × 7 × 7 × 7 × 11 × 13 × 13 × 29 × 29 × 29 × 83 × 83 × 83)See below for interesting mathematical facts about the number 497954667647533096 from the Numbermatics database.
Names of 497954667647533096
- Cardinal: 497954667647533096 can be written as Four hundred ninety-seven quadrillion, nine hundred fifty-four trillion, six hundred sixty-seven billion, six hundred forty-seven million, five hundred thirty-three thousand and ninety-six.
Scientific notation
- Scientific notation: 4.97954667647533096 × 1017
Factors of 497954667647533096
Divisors of 497954667647533096
- Number of divisors d(n): 1920
-
Complete list of divisors:
1 2 4 7 8 11 13 14 22 26 28 29 44 49 52 56 58 77 83 88 91 98 104 116 143 154 166 169 182 196 203 232 286 308 319 332 338 343 364 377 392 406 539 572 581 616 637 638 664 676 686 728 754 812 841 913 1001 1078 1079 1144 1162 1183 1274 1276 1352 1372 1421 1508 1624 1682 1826 1859 2002 2156 2158 2233 2324 2366 2401 2407 2548 2552 2639 2744 2842 3016 3364 3652 3718 3773 4004 4067 4147 4312 4316 4459 4466 4648 4732 4802 4814 4901 5096 5278 5684 5887 6391 6728 6889 7007 7304 7436 7546 7553 8008 8134 8281 8294 8632 8918 8932 9251 9464 9604 9628 9802 9947 10556 10933 11368 11774 11869 12782 13013 13778 14014 14027 14872 15092 15106 15631 16268 16562 16588 16849 17836 17864 18473 18502 19208 19256 19604 19894 21112 21866 23548 23738 24389 25564 26026 26411 26477 27556 28028 28054 28469 29029 30184 30212 31213 31262 31291 32536 33124 33176 33698 34307 35672 36946 37004 39208 39788 41209 43732 44737 47096 47476 48223 48778 49049 51128 52052 52822 52871 52954 53911 55112 56056 56108 56938 57967 58058 60424 62426 62524 62582 64757 66248 67396 68614 69629 69803 73892 74008 75779 76531 79576 82418 83083 87464 89474 89557 91091 94952 96446 97556 98098 98189 104104 105644 105742 105908 107822 109417 112216 113876 115934 116116 117943 120263 124852 125048 125164 129311 129514 134792 137228 139258 139606 142129 147784 151558 153062 154297 164836 166166 170723 178948 179114 182182 185339 192892 195112 196196 196378 199283 199781 203203 211288 211484 211816 215644 218834 219037 227752 231868 232232 235886 240149 240526 249704 250328 258622 259028 268279 274456 278516 279212 284258 288463 303116 306124 308594 313159 317057 329672 332332 337561 341446 343343 344201 357896 358228 364364 370097 370678 377377 385784 392392 392756 398566 399562 405769 406406 406783 422968 431288 437668 438074 453299 463736 471772 480298 481052 488621 517244 518056 530453 535717 536558 557032 558424 568516 571787 576926 581581 606232 612248 617188 626318 626899 634114 637637 664664 675122 682892 686686 687323 688402 716456 728728 740194 741356 754754 765919 767833 785512 797132 799124 811538 812812 813566 825601 841841 875336 876148 905177 906598 907439 943544 960596 962104 977242 985127 994903 1034488 1060906 1071434 1073116 1080079 1137032 1143574 1153852 1163162 1164241 1195061 1234376 1252636 1253798 1268228 1275274 1297373 1350244 1365784 1373372 1374646 1376804 1398467 1422421 1480388 1482712 1509508 1531838 1533259 1535666 1563419 1594264 1598248 1623076 1625624 1627132 1651202 1681043 1683682 1752296 1810354 1813196 1814878 1877953 1921192 1954484 1970254 1989806 2019241 2024287 2121812 2142868 2146232 2160158 2192113 2197591 2219399 2287148 2307704 2326324 2328482 2362927 2390122 2409407 2505272 2507596 2536456 2550548 2590679 2594746 2597153 2641639 2700488 2746744 2749292 2753608 2796934 2844842 2847481 2960776 3019016 3063676 3066518 3071332 3126838 3173093 3246152 3254264 3302404 3362086 3367364 3420347 3487627 3620708 3626392 3629756 3713171 3750019 3755906 3908968 3940508 3979612 4002509 4038482 4048574 4071067 4121741 4243624 4285736 4320316 4384226 4388293 4395182 4438798 4463459 4474613 4574296 4652648 4656964 4725854 4780244 4811261 4818814 5015192 5101096 5181358 5189492 5194306 5283278 5374831 5498584 5593868 5689684 5694962 5779207 5793649 5892887 6127352 6133036 6142664 6253676 6289657 6346186 6352073 6604808 6724172 6734728 6840694 6895889 6964321 6975254 7241416 7259512 7426342 7433231 7500038 7511812 7560553 7881016 7959224 8005018 8076964 8097148 8142134 8149687 8243482 8365427 8640632 8768452 8776586 8790364 8877596 8926918 8949226 9081611 9313928 9451708 9560488 9622522 9637628 9789269 9956947 9981829 10362716 10378984 10388612 10566556 10732813 10749662 10943933 11187736 11379368 11389924 11558414 11587298 11767301 11785774 11796707 12266072 12507352 12579314 12692372 12704146 12806651 13145671 13448344 13681388 13791778 13928642 13950508 14170009 14852684 14866462 15000076 15023624 15121106 15383137 15535793 16010036 16153928 16194296 16284268 16299374 16486964 16540489 16581823 16730854 16865849 17536904 17553172 17580728 17755192 17853836 17898452 18163222 18180071 18491473 18903416 19245044 19275256 19578538 19913894 19932367 19963658 20725432 20777224 21133112 21465626 21499324 21887866 22211651 22267157 22779848 23116828 23174596 23534602 23571548 23593414 23942429 24413389 25158628 25384744 25408292 25613302 25992197 26250133 26291342 26315731 27362776 27583556 27857284 27901016 28017563 28340018 28497469 28568683 28852187 29705368 29732924 30000152 30242212 30718051 30766274 31071586 31322291 32020072 32568536 32598748 32973928 33080978 33163646 33461708 33678827 33731698 33762989 35106344 35707672 35796904 36326444 36360142 36982946 37623817 38490088 39157076 39827788 39864734 39927316 40555543 41250209 42931252 42998648 43775732 44027599 44423302 44464511 44534314 45339151 46233656 46349192 47069204 47143096 47186828 47884858 48271223 48750247 48826778 50317256 50816584 51226604 51984394 52032617 52500266 52582684 52631462 52923871 55167112 55714568 56035126 56680036 56994938 57047809 57137366 57704374 58557989 59465848 60484424 61436102 61532548 62143172 62644582 63571277 63730139 65197496 66161956 66327292 66923416 67357654 67463396 67525978 68524883 69872803 72652888 72720284 73965892 75129691 75247634 75317437 76607531 78314152 79655576 79729468 79854632 81111086 81765541 82500418 82576949 85862504 87551464 88055198 88846604 88929022 89068628 89646557 90678302 92019697 94138408 94373656 95769716 96542446 96632003 97500494 97653556 99190063 102453208 103968788 104065234 105000532 105165368 105262924 105847742 107681959 108750551 112070252 113360072 113989876 114095618 114274732 115408748 116072761 117115978 118060943 122872204 123065096 124286344 125289164 127142554 127260497 127460278 129440311 129763777 132323912 132654584 134715308 134926792 135051956 137049766 139526569 139745606 145440568 147931784 150259382 150495268 150634874 153215062 155870099 159458936 162222172 163531082 165000836 165153898 167597003 168015821 170893723 176110396 177693208 177858044 178137256 179293114 181356604 181945379 182400053 184039394 184210117 191539432 193084892 193264006 195000988 195307112 196122941 198380126 199980781 201965309 207937576 208130468 210001064 210525848 211695484 215026357 215363918 215563699 217501102 219256037 224140504 227979752 228191236 228549464 230817496 232145522 234231956 236121886 236340923 245744408 250578328 254285108 254520994 254920556 258880622 259527554 263366719 269430616 270103912 274099532 279053138 279491212 283888801 288751463 289473041 300518764 300990536 301269748 306430124 308193193 311251577 311740198 317374057 324444344 327062164 330001672 330307796 335194006 336031642 337898561 341251729 341787446 342104503 352220792 355716088 358586228 362713208 363890758 364228319 364800106 368078788 368420234 370467097 371392879 386169784 386528012 390001976 392245882 396760252 399334663 399961562 403930618 416260936 423390968 430052714 430727836 431127398 435002204 438512074 446110973 456382472 464291044 468463912 472243772 472681846 479674181 480872867 489109621 508570216 509041988 509841112 517761244 519055108 526733438 527222059 536252717 548199064 558106276 558982424 567777602 572358787 577502926 578038643 578946082 601037528 602539496 612860248 616386386 622503154 623480396 627525899 634748114 644137879 654124328 660615592 670388012 672063284 675797122 676424021 682503458 683574892 684209006 694330441 717172456 727781516 728456638 729600212 736157576 736840468 740934194 742785758 753773713 761253857 773056024 784491764 793520504 798669326 799923124 807861236 812509327 826426601 828491807 860105428 861455672 862254796 870004408 877024148 890823479 892221946 908346439 928582088 944487544 945363692 959348362 961745734 976685983 978219242 979126681 1018083976 1035522488 1038110216 1053466876 1054444118 1062952033 1072505434 1091090693 1116212552 1135555204 1144717574 1155005852 1156077286 1157892164 1176110747 1196256061 1232772772 1245006308 1246960792 1255051798 1269496228 1276800371 1288275758 1289470819 1340776024 1344126568 1351594244 1352848042 1365006916 1367149784 1368418012 1372860587 1388660882 1399865467 1413757163 1455563032 1456913276 1459200424 1473680936 1481868388 1485571516 1507547426 1508945893 1522507714 1534792259 1568983528 1597338652 1599846248 1615722472 1625018654 1652853202 1654386461 1656983614 1720210856 1724509592 1754048296 1781646958 1784443892 1816692878 1843567033 1848174031 1890727384 1918696724 1923491468 1953371966 1956438484 1958253362 1987221607 2026311287 2106933752 2108888236 2125904066 2145010868 2157352351 2178761039 2182181386 2184205673 2221618399 2271110408 2289435148 2310011704 2312154572 2315784328 2352221494 2365289927 2371200689 2392512122 2394731521 2465545544 2490012616 2510103596 2538992456 2549598233 2553600742 2576551516 2578941638 2599750153 2703188488 2705696084 2730013832 2736836024 2745721174 2777321764 2795342641 2799730934 2802328087 2827514326 2913826552 2963736776 2971143032 3015094852 3017891786 3045015428 3069584518 3122776811 3194677304 3250037308 3305706404 3308772922 3313967228 3366110069 3423767347 3563293916 3568887784 3633385756 3687134066 3690554413 3696348062 3753769019 3763149533 3837393448 3846982936 3906743932 3912876968 3916506724 3974443214 4006511509 4046270501 4052622574 4217776472 4251808132 4290021736 4314704702 4357522078 4364362772 4368411346 4392681293 4443236798 4578870296 4624309144 4704442988 4730579854 4734968147 4742401378 4785024244 4789463042 4860313087 5020207192 5099196466 5107201484 5153103032 5157883276 5199500306 5276415991 5289601537 5411392168 5491442348 5554643528 5590685282 5599461868 5604656174 5655028652 5687565289 5799442649 6030189704 6035783572 6090030856 6139169036 6235764353 6245553622 6251347271 6358425073 6500074616 6611412808 6617545844 6627934456 6732220138 6847534694 6853886767 7126587832 7266771512 7374268132 7381108826 7392696124 7440664231 7507538038 7526299066 7637634851 7813487864 7833013448 7948886428 8013023018 8092541002 8105245148 8232775229 8373792427 8503616264 8629409404 8715044156 8728725544 8736822692 8785362586 8886473596 8937602597 9026295733 9408885976 9461159708 9469936294 9484802756 9570048488 9578926084 9720626174 9799058269 9896300141 10198392932 10214402968 10315766552 10399000612 10552831982 10562621251 10579203074 10743545813 10770393491 10982884696 11181370564 11198923736 11209312348 11310057304 11375130578 11580705227 11598885298 12071567144 12278338072 12471528706 12491107244 12502694542 12716850146 12937218217 13235091688 13464440276 13695069388 13707773534 13910551249 13945313143 14184179009 14748536264 14762217652 14785392248 14881328462 15015076076 15052598132 15101466457 15275269702 15289439711 15551328793 15897772856 16026046036 16185082004 16210490296 16465550458 16598404823 16747584854 16763120647 17258818808 17430088312 17473645384 17570725172 17772947192 17847187631 17875205194 18052591466 18198251071 18922319416 18939872588 18969605512 19157852168 19441252348 19598116538 19616296609 19792600282 20396785864 20798001224 21105663964 21125242502 21158406148 21487091626 21540786982 21859437677 22362741128 22418624696 22750261156 23161410454 23197770596 23562770483 23966371429 24026262403 24943057412 24982214488 25005389084 25433700292 25833880891 25874436434 26342046731 26928880552 27390138776 27415547068 27821102498 27890626286 28045580563 28323893507 28368358018 28394673749 29524435304 29762656924 30030152152 30105196264 30202932914 30550539404 30578879422 30748769051 30825608957 31102657586 32052092072 32370164008 32931100916 33144777029 33196809646 33495169708 33526241294 35141450344 35694375262 35750410388 36105182932 36396502142 37027210759 37879745176 38882504696 39196233076 39232593218 39585200564 39812957023 40596098543 42211327928 42250485004 42316812296 42974183252 43081573964 43718875354 43759430897 44508975511 45500522312 46322820908 46395541192 47125540966 47932742858 47977207369 48052524806 49886114824 50010778168 50867400584 51667761782 51748872868 52084649617 52684093462 53463443957 54831094136 55642204996 55781252572 56091161126 56647787014 56736716036 56789347498 57629426603 59525313848 60405865828 61101078808 61157758844 61497538102 61651217914 62205315172 62563218179 63184070131 65862201832 66289554058 66393619292 66990339416 67052482588 68593407883 68764819981 71388750524 71500820776 72210365864 72793004284 73938348757 74054421518 75392754437 78392466152 78465186436 79170401128 79625914046 81064936589 81192197086 81267514523 84500970008 85948366504 86163147928 87437750708 87518861794 89017951022 90560527519 92645641816 94251081932 95865485716 95954414738 96105049612 97617192001 99289253063 103335523564 103497745736 104169299234 105368186924 106926887914 107026077977 108859301551 111284409992 111562505144 112182322252 113295574028 113473432072 113578694996 115258853206 116188833761 117341844529 120811731656 122315517688 122995076204 123302435828 124410630344 125126436358 126368140262 127387757497 132579108116 132787238584 134104965176 137186815766 137314076263 137529639962 142777501048 145586008568 147876697514 148108843036 150785508874 153016063739 153398444573 156930372872 159251828092 162129873178 162384394172 162535029046 164939393381 168183836821 174875501416 175037723588 178035902044 180837166237 181121055038 181289070859 184394327117 188502163864 191730971432 191908829476 192210099224 195234384002 196319063941 198578506126 198762716243 206671047128 208338598468 210736373848 213853775828 214052155954 215779262699 217718603102 224364644504 226591148056 227157389992 230517706412 232013439203 232377667522 234683689058 245990152408 246604871656 250252872716 252736280524 254775514994 259190475313 265158216232 274373631532 274628152526 275059279924 284172689801 295753395028 296217686072 301571017748 306032127478 306316016279 306796889146 311562828577 312341411239 318503656184 324259746356 324768788344 325070058092 329878786762 335840451583 336367673642 350075447176 356071804088 361674332474 362242110076 362578141718 364592547319 368788654234 383817658952 390468768004 392638127882 397157012252 397525432486 403405986221 416677196936 427707551656 428104311908 431558525398 435437206204 437942527253 461035412824 464026878406 464755335044 469367378116 481353739867 500505745432 505472561048 509551029988 517568441299 518380950626 527749281059 548747263064 549256305052 550118559848 568345379602 568872601661 591506790056 603142035496 612064254956 612632032558 613593778292 623125657154 624682822478 633923692633 648519492712 650140116184 659757573524 671680903166 672735347284 683320344007 695024771441 723348664948 724484220152 725156283436 729185094638 737577308468 749182545839 780937536008 785276255764 794314024504 795050864972 806811972442 813321836327 821392911703 856208623816 863117050796 870874412408 875885054506 891714302479 893942659753 928053756812 929510670088 938734756232 961198533841 962707479734 1019102059976 1035136882598 1036761901252 1055498562118 1073789112011 1098512610104 1136690759204 1137745203322 1154575753667 1177286857747 1224128509912 1225264065116 1227187556584 1246251314308 1249365644956 1267847385266 1269023496013 1290760289819 1319515147048 1343361806332 1345470694568 1366640688014 1390049542882 1391339013701 1446697329896 1450312566872 1458370189276 1475154616936 1498365091678 1510454838893 1570552511528 1590101729944 1613623944884 1626643672654 1642785823406 1726234101592 1751770109012 1783428604958 1787885319506 1814333327191 1856107513624 1922397067682 1925414959468 1989208828607 1994179779449 2070273765196 2073523802504 2110997124236 2144212113953 2147578224022 2186389878673 2273381518408 2275490406644 2309151507334 2350883161081 2354573715494 2356757921167 2450528130232 2492502628616 2498731289912 2535694770532 2538046992026 2552147831233 2581520579638 2686723612664 2733281376028 2780099085764 2782678027402 2916740378552 2996730183356 3020909677786 3227247889768 3253287345308 3285571646812 3369476179069 3503540218024 3566857209916 3575770639012 3628666654382 3694244967413 3844794135364 3850829918936 3978417657214 3982108211627 3988359558898 4140547530392 4221994248472 4288424227906 4295156448044 4372779757346 4437465848431 4550980813288 4618303014668 4701766322162 4709147430988 4713515842334 4783242408049 5071389541064 5076093984052 5104295662466 5163041159276 5244277820873 5466562752056 5560198171528 5565356054804 5693252854289 5993460366712 6041819355572 6257598618271 6506574690616 6571143293624 6728389736887 6738952358138 7133714419832 7151541278024 7257333308764 7388489934826 7516523784077 7689588270728 7956835314428 7964216423254 7976719117796 8241008004229 8576848455812 8590312896088 8745559514692 8874931696862 8883164472091 9035322028733 9236606029336 9403532644324 9418294861976 9427031684668 9566484816098 9739373095907 10152187968104 10208591324932 10326082318552 10488555641746 10573183872251 11130712109608 11386505708578 12083638711144 12515197236542 12700333290337 13456779473774 13477904716276 13959258456143 14514666617528 14776979869652 15009484797671 15033047568154 15304729150711 15913670628856 15928432846508 15953438235592 16482016008458 16497305448169 17153696911624 17491119029384 17749863393724 17766328944182 18070644057466 18807065288648 18854063369336 19132969632196 19478746191814 20417182649864 20977111283492 21146367744502 22773011417156 23586333253483 25030394473084 25400666580674 25859714771891 25924337132837 26913558947548 26955809432552 27874757481389 27918516912286 29553959739304 30018969595342 30066095136308 30609458301422 31856865693016 32964032016916 32994610896338 33482696856343 35499726787448 35532657888364 36141288114932 38265939264392 38957492383628 41954222566984 42292735489004 43803190327897 45546022834312 47172666506966 50060788946168 50801333161348 51719429543782 51848674265674 52615666488539 53827117895096 55749514962778 55837033824572 57687056029603 60037939190684 60132190272616 61218916602844 62182151304637 65928064033832 65989221792676 66965393712686 68175611671349 71065315776728 72282576229864 74012287105757 77914984767256 84585470978008 87606380655794 94345333013932 97714809193001 101602666322696 103438859087564 103697348531348 105231332977078 107133104054977 111499029925556 111674067649144 115374112059206 115481138137183 120075878381368 122437833205688 124364302609274 131978443585352 133930787425372 136351223342698 148024574211514 165104332774381 175212761311588 181470359929859 188690666027864 195123302369723 195429618386002 206877718175128 207394697062696 210462665954156 214266208109954 222998059851112 230748224118412 230962276274366 248728605218548 267861574850744 272702446685396 296049148423028 306622332295279 330208665548762 350425522623176 362940719859718 368309665419773 390246604739446 390859236772004 420925331908312 428532416219908 435275059132459 461496448236824 461924552548732 497457210437096 545404893370792 592098296846056 613244664590558 660417331097524 684003664351007 725881439719436 736619330839546 749931728384839 780493209478892 781718473544008 808367966960281 857064832439816 870550118264918 923849105097464 1226489329181116 1270292519509013 1320834662195048 1368007328702014 1451762879438872 1473238661679092 1499863456769678 1560986418957784 1616735933920562 1741100236529836 2146356326066953 2452978658362232 2540585039018026 2736014657404028 2946477323358184 2999726913539356 3233471867841124 3482200473059672 4292712652133906 4788025650457049 5081170078036052 5472029314808056 5658575768721967 5999453827078712 6466943735682248 8585425304267812 8892047636563091 9576051300914098 10162340156072104 11317151537443934 17170850608535624 17784095273126182 19152102601828196 22634303074887868 35568190546252364 38304205203656392 45268606149775736 62244333455941637 71136381092504728 124488666911883274 248977333823766548 497954667647533096
- Sum of all divisors σ(n): 1348865223595344000
- Sum of proper divisors (its aliquot sum) s(n): 850910555947810904
- 497954667647533096 is an abundant number, because the sum of its proper divisors (850910555947810904) is greater than itself. Its abundance is 352955888300277808
Bases of 497954667647533096
- Binary: 110111010010001011100100001110001110110000100000000001010002
- Hexadecimal: 0x6E91721C7610028
- Base-36: 3S7274ACTKBS
Squares and roots of 497954667647533096
- 497954667647533096 squared (4979546676475330962) is 247958851031965143799617174415345216
- 497954667647533096 cubed (4979546676475330963) is 123472267255886372025676669342125459287263549625268736
-
The
square root of 497954667647533096 is 705659030.7276830253 -
The
cube root of 497954667647533096 is 792616.7926655125
Scales and comparisons
How big is 497954667647533096?- 497,954,667,647,533,096 seconds is equal to 15,833,418,156 years, 14 weeks, 1 day, 11 hours, 38 minutes, 16 seconds.
-
To count from 1 to 497,954,667,647,533,096 would take you about forty-seven billion, five hundred million, two hundred fifty-four thousand, four hundred sixty-eight 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 497954667647533096 cubic inches would be around 66051.4 feet tall.
Recreational maths with 497954667647533096
- 497954667647533096 backwards is 690335746766459794
- The number of decimal digits it has is: 18
- The sum of 497954667647533096's digits is 100
- 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 497954667647533096 - Facts about the integer". Numbermatics.com. 2024. Web. 17 June 2024.
APA style:
Numbermatics. (2024). Number 497954667647533096 - Facts about the integer. Retrieved 17 June 2024, from https://numbermatics.com/n/497954667647533096/
Chicago style:
Numbermatics. 2024. "Number 497954667647533096 - Facts about the integer". https://numbermatics.com/n/497954667647533096/
The information we have on file for 497954667647533096 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 497954667647533096, math, Factors of 497954667647533096, curriculum, school, college, exams, university, Prime factorization of 497954667647533096, STEM, science, technology, engineering, physics, economics, calculator, four hundred ninety-seven quadrillion, nine hundred fifty-four trillion, six hundred sixty-seven billion, six hundred forty-seven million, five hundred thirty-three thousand and ninety-six.