188235940781283200148
188,235,940,781,283,200,148 is an even composite number composed of nine prime numbers multiplied together.
What does the number 188235940781283200148 look like?
This visualization shows the relationship between its 9 prime factors (large circles) and 1728 divisors.
188235940781283200148 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.
Prime factorization of 188235940781283200148:
22 × 3 × 72 × 192 × 23 × 37 × 89 × 19531 × 599479
(2 × 2 × 3 × 7 × 7 × 19 × 19 × 23 × 37 × 89 × 19531 × 599479)See below for interesting mathematical facts about the number 188235940781283200148 from the Numbermatics database.
Names of 188235940781283200148
- Cardinal: 188235940781283200148 can be written as One hundred eighty-eight quintillion, two hundred thirty-five quadrillion, nine hundred forty trillion, seven hundred eighty-one billion, two hundred eighty-three million, two hundred thousand, one hundred forty-eight.
Scientific notation
- Scientific notation: 1.88235940781283200148 × 1020
Factors of 188235940781283200148
Divisors of 188235940781283200148
- Number of divisors d(n): 1728
-
Complete list of divisors:
1 2 3 4 6 7 12 14 19 21 23 28 37 38 42 46 49 57 69 74 76 84 89 92 98 111 114 133 138 147 148 161 178 196 222 228 259 266 267 276 294 322 356 361 399 437 444 483 518 532 534 588 623 644 703 722 777 798 851 874 931 966 1036 1068 1083 1127 1246 1311 1406 1444 1554 1596 1691 1702 1748 1813 1862 1869 1932 2047 2109 2166 2254 2492 2527 2553 2622 2793 2812 3059 3108 3293 3381 3382 3404 3626 3724 3738 4094 4218 4332 4361 4508 4921 5054 5073 5106 5244 5439 5586 5957 6118 6141 6586 6762 6764 7252 7476 7581 8188 8303 8436 8722 9177 9842 9879 10108 10146 10212 10878 11172 11837 11914 12236 12282 13083 13172 13357 13524 14329 14763 15162 16169 16606 17444 17689 17871 18354 19531 19684 19758 20292 21413 21756 23051 23674 23828 24564 24909 26166 26714 28658 29526 30324 32129 32338 33212 34447 35378 35511 35742 36708 38893 39062 39516 40071 41699 42826 42987 46102 47348 48507 49818 52332 53067 53428 57316 58121 58593 59052 62567 64239 64258 64676 68894 69153 70756 71022 71484 75739 77786 78124 80142 82859 83398 85652 85974 92204 93499 96387 97014 99636 100303 103341 106134 113183 116242 116679 117186 125097 125134 128478 128516 136717 137788 138306 142044 151478 155572 160284 161357 165718 166796 171948 174363 186998 187701 192774 194028 200606 206682 212268 224903 226366 227217 232484 233358 234372 248577 250194 250268 256956 272251 273434 276612 280497 300909 302956 307211 322714 331436 339549 348726 371089 373996 375402 385548 401212 406847 410151 413364 437969 449213 449806 452732 454434 466716 484071 497154 500388 530173 544502 546868 560994 599479 601818 614422 645428 654493 674709 679098 697452 722647 738967 742178 750804 792281 813694 816753 820302 875938 898426 899612 908868 921633 957019 968142 994308 1060346 1089004 1113267 1121988 1188773 1198958 1203636 1220541 1228844 1308986 1313907 1347639 1349418 1358196 1439041 1445294 1477934 1484356 1574321 1584562 1590519 1627388 1633506 1640604 1738259 1751876 1796852 1798437 1843266 1905757 1914038 1936284 1963479 2120692 2150477 2167941 2216901 2226534 2376843 2377546 2397916 2441082 2597623 2617972 2627814 2695278 2698836 2871057 2878082 2890588 2955868 3065783 3144491 3148642 3169124 3181038 3267012 3476518 3566319 3596874 3686532 3711211 3811514 3828076 3926958 4196353 4300954 4317123 4335882 4433802 4453068 4722963 4753686 4755092 4882164 5058529 5172769 5195246 5214777 5255628 5390556 5717271 5742114 5756164 6131566 6288982 6297284 6362076 6451431 6953036 7050691 7132638 7193748 7422422 7623028 7792869 7853916 8321411 8392706 8535047 8601908 8634246 8671764 8867604 9197349 9433473 9445926 9507372 10073287 10117058 10345538 10390492 10429554 11133633 11390101 11434542 11484228 12167813 12263132 12577964 12589059 12902862 13730293 13788017 14101382 14265276 14844844 15053339 15175587 15518307 15585738 16620881 16642822 16785412 17070094 17268492 18183361 18394698 18866946 18891852 20146574 20234116 20691076 20859108 21152073 22011437 22180723 22267266 22780202 22869084 24335626 24964233 25178118 25605141 25805724 27341779 27460586 27576034 28202764 29374471 30106678 30219861 30351174 31036614 31171476 33026921 33241762 33285644 34140188 34170303 35409703 36209383 36366722 36503439 36789396 37733892 39979957 40293148 41190879 41364051 42304146 44022874 44361446 44534532 45160017 45560404 48671252 49354837 49862643 49928466 50356236 51210282 53353631 54550083 54683558 54921172 55152068 58249877 58748942 59745329 60213356 60439722 60702348 62073228 64315583 66034311 66053842 66483524 66542169 68340606 70513009 70819406 72418766 72733444 73006878 79730707 79959914 82025337 82381758 82728102 84608292 85174691 88045748 88123413 88722892 90320034 96112051 96516119 98709674 99080763 99725286 99856932 102420564 106229109 106707262 108628149 109100166 109367116 116346167 116499754 117497884 119490658 119939871 120879444 128631166 132068622 132107684 133084338 136681212 141026018 141638812 144837532 146013756 148064511 155265061 159461414 159919828 160060893 162165893 164050674 164763516 165456204 170349382 174749631 176246826 179235987 180640068 191392453 192224102 192946749 193032238 197419348 198161526 199450572 211539027 212458218 213414524 216411919 217256298 218200332 231188447 232692334 232999508 238981316 239192121 239879742 255524073 257262332 260875567 261972323 264137244 266168676 279859699 282052036 288336153 289548357 296129022 310530122 315796739 318922828 320121786 324331786 328101348 340698764 345483859 349038501 349499262 352493652 358471974 373475417 382784906 384448204 385893498 386064476 396323052 418217303 421433737 423078054 424916436 432823838 434512596 450209081 462376894 465384668 465795183 478384242 479759484 486497679 510156629 511048146 521751134 523944646 558114949 559719398 574177359 576672306 579096714 592258044 621060244 627511499 631593478 640243572 648663572 649235757 672784357 675612833 690967718 693565341 698077002 698998524 716943948 746950834 759619183 765569812 771786996 782626701 785916969 814423169 836434606 839579097 842867474 846156108 865647676 900418162 924753788 931590366 947390217 956768484 972995358 1013718989 1020313258 1022096292 1036451577 1043502268 1047889292 1086855427 1116229898 1119438796 1120426251 1135161251 1148354718 1153344612 1158193428 1221996077 1227133513 1254651909 1255022998 1263186956 1264301211 1298471514 1339747171 1345568714 1350627243 1351225666 1381935436 1387130682 1396154004 1479258409 1493901668 1514883433 1519238366 1530469887 1565253402 1571833938 1618319129 1628846338 1672869212 1674344847 1679158194 1685734948 1800836324 1826128969 1833806261 1863180732 1882534497 1894780434 1945990716 1959017893 1974084347 2018353071 2026838499 2027437978 2040626516 2072903154 2173710854 2210577173 2232459796 2240852502 2270322502 2278857549 2296709436 2443269507 2443992154 2454267026 2509303818 2510045996 2528602422 2596943028 2614327919 2679494342 2691137428 2701254486 2702451332 2774261364 2950036159 2958516818 3029766866 3038476732 3041156967 3060939774 3130506804 3143667876 3151463567 3236638258 3257692676 3260566281 3348689694 3358316388 3405483753 3571096403 3652257938 3665988231 3667612522 3681400539 3765068994 3789560868 3918035786 3948168694 4019241513 4036706142 4053676998 4054875956 4145806308 4347421708 4392580493 4421154346 4437775227 4481705004 4540645004 4544650299 4557715098 4854957387 4886539014 4887984308 4908534052 4977474137 5018607636 5057204844 5228655838 5317334281 5358988684 5402508972 5478386907 5501418783 5877053679 5900072318 5917033636 5922253041 6000138041 6059533732 6082313934 6121879548 6302927134 6473276516 6521132562 6631731519 6697379388 6810967506 7096032923 7142192806 7304515876 7331976462 7335225044 7362801078 7530137988 7836071572 7842983757 7896337388 7946128757 8007241003 8038483026 8073412284 8107353996 8553972539 8589934591 8785160986 8842308692 8850108477 8875550454 9089300598 9115430196 9454390701 9692975951 9709914774 9773078028 9954948274 10354808863 10457311676 10604184031 10634668562 10713289209 10956773814 11002837566 11708424349 11754107358 11800144636 11844506082 12000276082 12164627868 12605854268 12782902783 12836643827 13042265124 13177741479 13263463038 13621935012 13818590429 14192065846 14284385612 14432764477 14663952924 14725602156 14932422411 15474040211 15685967514 15892257514 15952002843 16014482006 16076966052 17107945078 17179869182 17570321972 17700216954 17751100908 18000414123 18178601196 18908781402 19260660791 19385951902 19419829548 19909896548 20650253113 20709617726 21208368062 21269337124 21288098769 21426578418 21913547628 22005675132 23217925463 23315536747 23416848698 23508214716 23689012164 23838386271 24000552164 24021723009 24997674821 25565805566 25661917617 25673287654 25769803773 26355482958 26526926076 27637180858 28105909771 28384131692 28865528954 29078927853 29864844822 30748063451 30948080422 31064426589 31371935028 31784515028 31812552093 31904005686 32028964012 34215890156 34359738364 34842318959 35125273047 35400433908 36000828246 37221339967 37507602593 37817562804 38348708349 38509931481 38521321582 38771903804 41300506226 41419235452 41455771287 42000966287 42416736124 42576197538 42853156836 43298293431 45403939981 46422120633 46435850926 46631073494 46833697396 47676772542 48043446018 49672230461 49995349642 51131611132 51323835234 51346575308 51539607546 52710965916 55274361716 56050687021 56211819542 57731057908 57781982373 58157855706 59729689644 59877807773 60129542137 61496126902 61896160844 61950759339 62128853178 63625104186 63808011372 67850831657 69653776389 69684637918 69946610241 70250546094 72001656492 72483662041 74442679934 74993024463 75015205186 76697416698 77019862962 77042643164 81958970443 82601012452 82911542574 84001932574 84317729313 85152395076 86596586862 90807879962 92244190353 92844241266 92871701852 93262146988 95353545084 96086892036 96730133003 99344460922 99990699284 101029351339 102647670468 103079215092 104526956877 111664019901 112101374042 112423639084 112522807779 115563964746 116315711412 119755615546 120259084274 122992253804 123901518678 124257706356 126002898861 127250208372 134824625537 135701663314 136211819943 139307552778 139369275836 139893220482 140501092188 144967324082 148885359868 149016691383 149986048926 150030410372 153394833396 154039725924 162525478241 163208757229 163917940886 165823085148 168003865148 168152061063 168635458626 173193173724 179633423319 180388626411 181615759924 184166543069 184488380706 185688482532 193460266006 196741368397 198688921844 202058702678 203552494971 209053913754 217450986123 222460062631 223328039802 224202748084 225045615558 231127929492 239511231092 240518168548 243896232713 245876911329 247803037356 252005797722 262553218151 269293760027 269649251074 271403326628 272423639886 278615105556 279786440964 289934648164 290190399009 294006764009 298033382766 299972097852 303088054017 317827579867 325050956482 326417514458 327835881772 336304122126 337270917252 359266846638 360777252822 368333086138 368976761412 386920532012 392354809147 393482736794 404117405356 404473876611 407104989942 418107827508 433211700913 434901972246 442995198193 444920125262 446656079604 450091231116 474955821599 487576434723 487792465426 489626271687 491753822658 504011595444 525106436302 534012285649 538587520054 539298502148 544847279772 552499629207 573712793101 580380798018 588013528018 590224105191 596066765532 606176108034 635655159734 650101912964 652835028916 667380187893 672608244252 707205459373 712644449267 718533693276 721554505644 731688698139 736666172276 784709618294 786965473588 787659654453 807881280081 808947753222 814209979884 862674859639 866423401826 869803944492 882020292027 885990396386 889840250524 943772378759 949911643198 953482739601 975152869446 975584930852 979252543374 983507645316 1042049767061 1050212872604 1068024571298 1077175040108 1104999258414 1137678347687 1142461300603 1147425586202 1160761596036 1176027056036 1177064427441 1180448210382 1212352216068 1271310319468 1289165801483 1299635102739 1328985594579 1334760375786 1377189578779 1414410918746 1424867464797 1425288898534 1463377396278 1557220438417 1569419236588 1575319308906 1602036856947 1615762560162 1617895506444 1721138379303 1725349719278 1732846803652 1764040584054 1771980792772 1837872527057 1885056320189 1887544757518 1899823286396 1906965479202 1950305738892 1958505086748 2084099534122 2121616378119 2136049142596 2137933347801 2209998516828 2224793059069 2275356695374 2284922601206 2294851172404 2354128854882 2360896420764 2578331602966 2588024578917 2599270205478 2657971189158 2669520751572 2754379157558 2828821837492 2831317136277 2849734929594 2850577797068 2926754792556 3032481906391 3100966387351 3114440876834 3126149301183 3150638617812 3204073713894 3231525120324 3413035043061 3427383901809 3442276758606 3450699438556 3528081168108 3675745054114 3738085999543 3770112640378 3775089515036 3813930958404 3867497404449 4131568736337 4168199068244 4226741189989 4243232756238 4275866695602 4449586118138 4550713390748 4569845202412 4671661315251 4708257709764 4988511144869 5116581440513 5156663205932 5176049157834 5198540410956 5315942378316 5508758315116 5513617581171 5655168960567 5662634272554 5699469859188 6038724017473 6064963812782 6201932774702 6228881753668 6252298602366 6408147427788 6674379177207 6826070086122 6854767803618 6884553517212 7294348369427 7351490108228 7476171999086 7540225280756 7734994808898 8231022317347 8263137472674 8453482379978 8486465512476 8551733391204 8899172236276 9024160610381 9097445719173 9302899162053 9343322630502 9963869120999 9977022289738 10233162881026 10352098315668 10900543068919 11027235162342 11214257998629 11310337921134 11325268545108 12077448034946 12129927625564 12403865549404 12504597204732 12680223569967 13195394241323 13348758354414 13652140172244 13709535607236 14588696738854 14952343998172 14965533434607 15349744321539 15469989617796 16390822333141 16462044634694 16526274945348 16906964759956 18048321220762 18116172052419 18194891438346 18605798324106 18686645261004 19798945574159 19927738241998 19954044579476 20466325762052 21227373344737 21706764711457 21801086137838 21883045108281 22054470324684 22428515997258 22620675842268 23967144642403 24154896069892 24693066952041 25360447139934 26166601996801 26390788482646 26697516708828 27072481831143 29177393477708 29587188329923 29891607362997 29931066869214 30699488643078 32701629206757 32781644666282 32924089269388 34919578014083 35816070083591 36096642441524 36232344104838 36389782876692 37211596648212 38555841381257 39586182723969 39597891148318 39855476483996 42271068122311 42454746689474 43413529422914 43602172275676 43766090216562 44857031994516 47934289284806 49172466999423 49386133904082 50720894279868 51060438585989 52333203993602 52781576965292 54144963662286 57617156221429 59174376659846 59396836722477 59783214725994 59862133738428 61398977286156 63682120034211 65120294134371 65403258413514 65563289332564 69747083846993 69839156028166 71632140167182 71901433927209 72464688209676 77111682762514 78499805990403 79172365447938 79195782296636 84542136244622 84909493378948 86827058845828 87532180433124 88761564989769 95868578569612 97215047369747 98344933998846 98772267808164 102120877171978 104666407987204 104758734042249 107448210250773 108289927324572 114735756331987 115234312442858 115667524143771 118348753319692 118793673444954 119566429451988 126813204366933 127364240068422 130240588268742 130806516827028 138592619019113 139494167693986 139678312056332 143264280334364 143802867854418 153181315757967 154223365525028 156389424029593 156999611980806 158344730895876 167770012496821 169084272489244 172851468664287 177523129979538 189313513298981 194430094739494 196689867997692 204241754343956 207110318309461 209241251540979 209517468084498 214896420501546 229471512663974 230468624885716 231335048287542 237587346889908 250712490585137 253626408733866 254728480136844 260481176537484 269890889668799 277185238038226 278988335387972 287605735708836 291645142109241 306362631515934 312778848059186 313999223961612 335540024993642 344207268995961 345702937328574 355046259959076 376179965909021 378627026597962 388860189478988 403320093550003 414220636618922 415777857057339 418482503081958 419034936168996 429792841003092 455375748205657 458943025327948 462670096575084 469168272088779 488229586928951 501424981170274 503310037490463 507252817467732 539781779337598 554370476076452 567940539896943 583290284218482 612725263031868 621330954928383 625557696118372 671080049987284 680505331588229 688414537991922 691405874657148 732560986243883 752137471755411 752359931818042 757254053195924 803150294323909 806640187100006 809672669006397 828441273237844 831555714114678 836965006163916 886784351768911 910751496411314 938336544177558 970148333133791 976459173857902 1002849962340548 1006620074980926 1079563558675196 1094725968207151 1128539897727063 1135881079793886 1166580568436964 1174390087477747 1209960280650009 1242661909856766 1325194593092867 1361010663176458 1366127244616971 1376829075983844 1464688760786853 1465121972487766 1504274943510822 1504719863636084 1606300588647818 1613280374200012 1619345338012794 1663111428229356 1773568703537822 1821502992822628 1876673088355116 1889236227681593 1940296666267582 1952918347715804 2013240149961852 2041515994764687 2189451936414302 2197682958731649 2257079795454126 2271762159587772 2348780174955494 2409450882971727 2419920561300018 2485323819713532 2633259761363147 2650389186185734 2660353055306733 2722021326352916 2732254489233942 2910444999401373 2929377521573706 2930243944975532 3008549887021644 3187630237439599 3212601177295636 3238690676025588 3284177904621453 3523170262433241 3547137407075644 3596956752680639 3778472455363186 3880593332535164 3975583779278601 4083031989529374 4378903872828604 4395365917463298 4514159590908252 4697560349910988 4763537321117603 4818901765943454 4839841122600036 5127926903707181 5266519522726294 5300778372371468 5320706110613466 5464508978467884 5667708683044779 5820889998802746 5858755043147412 6207490462382377 6375260474879198 6568355809242906 7046340524866482 7193913505361278 7556944910726372 7663081777450057 7899779284089441 7951167558557202 8166063979058748 8652139215907483 8790731834926596 9276362151650069 9527074642235206 9562890712318797 9637803531886908 10255853807414362 10533039045452588 10641412221226932 10790870258041917 11335417366089558 11641779997605492 12414980924764754 12750520949758396 13136711618485812 13918658738633777 14092681049732964 14290611963352809 14387827010722556 15326163554900114 15383780711121543 15799558568178882 15902335117114404 16848902683609309 17304278431814966 18432818329542029 18552724303300138 18622471387147131 19054149284470412 19125781424637594 20511707614828724 21581740516083834 22313411662077193 22670834732179116 22989245332350171 24829961849529508 25178697268764473 25956417647722449 27829086454950207 27837317477267554 28581223926705618 30652327109800228 30767561422243086 31599117136357764 33697805367218618 34608556863629932 35895488325950267 36865636659084058 37105448606600276 37244942774294262 38251562849275188 41755976215901331 43163481032167668 43452433236676639 44626823324154386 45978490664700342 50357394537528946 50546708050827927 51912835295444898 55298454988626087 55658172909900414 55674634954535108 57162447853411236 60564974511352381 61535122844486172 66940234986231579 67395610734437236 71790976651900534 73731273318168116 74489885548588524 75536091806293419 83511952431802662 86904866473353278 89253646648308772 91956981329400684 97430611170436439 100714789075057892 101093416101655854 103825670590889796 107686464977850801 110596909977252174 111316345819800828 117942318785265163 121129949022704762 130357299710029917 133880469972463158 143581953303801068 151072183612586838 167023904863605324 173809732946706556 176250880881351311 181694923534057143 194861222340872878 202186832203311708 215372929955701602 221193819954504348 235884637570530326 242259898045409524 260714599420059834 267760939944926316 292291833511309317 302144367225173676 320129150988576871 352501761762702622 353826956355795489 363389847068114286 389722444681745756 423954821579466667 430745859911403204 471769275141060652 521429198840119668 528752642644053933 584583667022618634 640258301977153742 682014278193055073 705003523525405244 707653912711590978 726779694136228572 825596231496856141 847909643158933334 960387452965730613 1057505285288107866 1169167334045237268 1271864464738400001 1280516603954307484 1364028556386110146 1415307825423181956 1651192462993712282 1695819286317866668 1920774905931461226 2046042834579165219 2115010570576215732 2240904056920038097 2476788694490568423 2543728929476800002 2728057112772220292 3302384925987424564 3841549811862922452 4092085669158330438 4481808113840076194 4953577388981136846 5087457858953600004 6722712170760114291 8184171338316660876 8963616227680152388 9907154777962273692 13445424341520228582 15686328398440266679 26890848683040457164 31372656796880533358 47058985195320800037 62745313593761066716 94117970390641600074 188235940781283200148
- Sum of all divisors σ(n): 584408635574393548800
- Sum of proper divisors (its aliquot sum) s(n): 396172694793110348652
- 188235940781283200148 is an abundant number, because the sum of its proper divisors (396172694793110348652) is greater than itself. Its abundance is 207936754011827148504
Bases of 188235940781283200148
- Binary: 101000110100010011000110011011010010111001011101100111001100100101002
- Hexadecimal: 0xA344C66D2E5D9CC94
- Base-36: 13Q4MG2I61HUAC
Squares and roots of 188235940781283200148
- 188235940781283200148 squared (1882359407812832001482) is 35432769401814755782537277073499827221904
- 188235940781283200148 cubed (1882359407812832001483) is 6669720682836865728952308011438500874038785248014241641641792
-
The
square root of 188235940781283200148 is 13719910378.0339323377 -
The
cube root of 188235940781283200148 is 5731049.8091349491
Scales and comparisons
How big is 188235940781283200148?- 188,235,940,781,283,200,148 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 188,235,940,781,283,200,148 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 188235940781283200148 cubic inches would be around 477587.5 feet tall.
Recreational maths with 188235940781283200148
- 188235940781283200148 backwards is 841002382187049532881
- 188235940781283200148 is a
Harshad number . - The number of decimal digits it has is: 21
- The sum of 188235940781283200148's digits is 84
- 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 188235940781283200148 - Facts about the integer". Numbermatics.com. 2024. Web. 22 June 2024.
APA style:
Numbermatics. (2024). Number 188235940781283200148 - Facts about the integer. Retrieved 22 June 2024, from https://numbermatics.com/n/188235940781283200148/
Chicago style:
Numbermatics. 2024. "Number 188235940781283200148 - Facts about the integer". https://numbermatics.com/n/188235940781283200148/
The information we have on file for 188235940781283200148 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 188235940781283200148, math, Factors of 188235940781283200148, curriculum, school, college, exams, university, Prime factorization of 188235940781283200148, STEM, science, technology, engineering, physics, economics, calculator, one hundred eighty-eight quintillion, two hundred thirty-five quadrillion, nine hundred forty trillion, seven hundred eighty-one billion, two hundred eighty-three million, two hundred thousand, one hundred forty-eight.