323918310180664062500
323,918,310,180,664,062,500 is an even composite number composed of five prime numbers multiplied together.
323918310180664062500 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.
Prime factorization of 323918310180664062500:
22 × 515 × 72 × 133 × 1572
(2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 7 × 7 × 13 × 13 × 13 × 157 × 157)See below for interesting mathematical facts about the number 323918310180664062500 from the Numbermatics database.
Names of 323918310180664062500
- Cardinal: 323918310180664062500 can be written as Three hundred twenty-three quintillion, nine hundred eighteen quadrillion, three hundred ten trillion, one hundred eighty billion, six hundred sixty-four million, sixty-two thousand, five hundred.
Scientific notation
- Scientific notation: 3.239183101806640625 × 1020
Factors of 323918310180664062500
Divisors of 323918310180664062500
- Number of divisors d(n): 1728
-
Complete list of divisors:
1 2 4 5 7 10 13 14 20 25 26 28 35 49 50 52 65 70 91 98 100 125 130 140 157 169 175 182 196 245 250 260 314 325 338 350 364 455 490 500 625 628 637 650 676 700 785 845 875 910 980 1099 1183 1225 1250 1274 1300 1570 1625 1690 1750 1820 2041 2197 2198 2275 2366 2450 2500 2548 3125 3140 3185 3250 3380 3500 3925 4082 4225 4375 4394 4396 4550 4732 4900 5495 5915 6125 6250 6370 6500 7693 7850 8125 8164 8281 8450 8750 8788 9100 10205 10985 10990 11375 11830 12250 12500 12740 14287 15379 15386 15625 15700 15925 16250 16562 16900 17500 19625 20410 21125 21875 21970 21980 22750 23660 24500 24649 26533 27475 28574 29575 30625 30758 30772 31250 31850 32500 33124 38465 39250 40625 40820 41405 42250 43750 43940 45500 49298 51025 53066 54925 54950 56875 57148 59150 61250 61516 62500 63700 71435 76895 76930 78125 78500 79625 81250 82810 84500 87500 98125 98596 100009 102050 105625 106132 107653 109375 109850 109900 113750 118300 122500 123245 132665 137375 142870 147875 153125 153790 153860 156250 159250 162500 165620 172543 185731 192325 196250 200018 203125 204100 207025 211250 215306 218750 219700 227500 246490 255125 265330 274625 274750 284375 285740 295750 306250 307580 312500 318500 320437 344929 345086 357175 371462 384475 384650 390625 392500 398125 400036 406250 414050 422500 430612 437500 490625 492980 500045 510250 528125 530660 538265 546875 549250 549500 568750 591500 612500 616225 640874 663325 686875 689858 690172 714350 739375 742924 765625 768950 769300 781250 796250 812500 828100 862715 928655 961625 981250 1000090 1015625 1020500 1035125 1056250 1076530 1093750 1098500 1137500 1207801 1232450 1275625 1281748 1300117 1326650 1373125 1373750 1379716 1421875 1428700 1478750 1531250 1537900 1562500 1592500 1602185 1724645 1725430 1785875 1857310 1922375 1923250 1953125 1962500 1990625 2000180 2031250 2070250 2112500 2153060 2187500 2243059 2414503 2415602 2453125 2464900 2500225 2551250 2600234 2640625 2653300 2691325 2734375 2746250 2747500 2843750 2957500 3062500 3081125 3204370 3316625 3434375 3449290 3450860 3571750 3696875 3714620 3828125 3844750 3846500 3906250 3981250 4062500 4140500 4165681 4313575 4486118 4643275 4808125 4829006 4831204 4906250 5000450 5078125 5102500 5175625 5200468 5281250 5382650 5468750 5492500 5687500 6039005 6162250 6378125 6408740 6500585 6633250 6865625 6868750 6898580 7109375 7143500 7393750 7656250 7689500 7812500 7962500 8010925 8331362 8623225 8627150 8929375 8972236 9286550 9611875 9616250 9658012 9765625 9812500 9953125 10000900 10156250 10351250 10562500 10765300 10937500 11215295 12072515 12078010 12265625 12324500 12501125 12756250 13001170 13203125 13266500 13456625 13671875 13731250 13737500 14218750 14787500 15312500 15405625 15701413 16021850 16583125 16662724 16901521 17171875 17246450 17254300 17858750 18484375 18573100 19140625 19223750 19232500 19531250 19906250 20312500 20702500 20828405 21567875 22430590 23216375 24040625 24145030 24156020 24531250 25002250 25390625 25512500 25878125 26002340 26406250 26913250 27343750 27462500 28437500 29159767 30195025 30811250 31402826 31890625 32043700 32502925 33166250 33803042 34328125 34343750 34492900 35546875 35717500 36968750 38281250 38447500 39062500 39812500 40054625 41656810 43116125 43135750 44646875 44861180 46432750 48059375 48081250 48290060 48828125 49062500 49765625 50004500 50781250 51756250 52812500 53826500 54153853 54687500 56076475 58319534 60362575 60390050 61328125 61622500 62505625 62805652 63781250 65005850 66015625 66332500 67283125 67606084 68359375 68656250 68687500 71093750 73937500 76562500 77028125 78507065 80109250 82915625 83313620 84507605 85859375 86232250 86271500 89293750 92421875 92865500 95703125 96118750 96162500 97656250 99531250 101562500 103512500 104142025 107839375 108307706 112152950 116081875 116639068 120203125 120725150 120780100 122656250 125011250 126953125 127562500 129390625 130011700 132031250 134566250 136718750 137312500 142187500 145798835 150975125 154056250 157014130 159453125 160218500 162514625 165831250 169015210 171640625 171718750 172464500 177734375 178587500 184843750 191406250 192237500 195312500 199062500 200273125 204118369 208284050 215580625 215678750 216615412 223234375 224305900 232163750 240296875 240406250 241450300 244140625 245312500 248828125 250022500 253906250 258781250 264062500 269132500 270769265 273437500 280382375 291597670 301812875 301950250 306640625 308112500 312528125 314028260 318906250 325029250 330078125 331662500 336415625 338030420 341796875 343281250 343437500 355468750 369687500 379076971 382812500 385140625 392535325 400546250 408236738 414578125 416568100 422538025 429296875 431161250 431357500 446468750 462109375 464327500 478515625 480593750 480812500 488281250 497656250 507812500 517562500 520710125 539196875 541538530 560764750 580409375 583195340 601015625 603625750 603900500 613281250 625056250 634765625 637812500 646953125 650058500 660156250 672831250 683593750 686562500 710937500 728994175 754875625 758153942 770281250 785070650 797265625 801092500 812573125 816473476 829156250 845076050 858203125 858593750 862322500 888671875 892937500 924218750 957031250 961187500 976562500 995312500 1001365625 1020591845 1041420250 1077903125 1078393750 1083077060 1116171875 1121529500 1160818750 1201484375 1202031250 1207251500 1220703125 1226562500 1244140625 1250112500 1269531250 1293906250 1320312500 1345662500 1353846325 1367187500 1401911875 1457988350 1509064375 1509751250 1516307884 1533203125 1540562500 1562640625 1570141300 1594531250 1625146250 1650390625 1658312500 1682078125 1690152100 1708984375 1716406250 1717187500 1777343750 1848437500 1895384855 1914062500 1925703125 1962676625 2002731250 2041183690 2072890625 2082840500 2112690125 2146484375 2155806250 2156787500 2232343750 2310546875 2321637500 2392578125 2402968750 2404062500 2441406250 2488281250 2539062500 2587812500 2603550625 2653538797 2695984375 2707692650 2803823750 2902046875 2915976700 3005078125 3018128750 3019502500 3066406250 3125281250 3173828125 3189062500 3234765625 3250292500 3300781250 3364156250 3417968750 3432812500 3554687500 3644970875 3774378125 3790769710 3851406250 3925353250 3986328125 4005462500 4062865625 4082367380 4145781250 4225380250 4291015625 4292968750 4311612500 4443359375 4464687500 4621093750 4785156250 4805937500 4882812500 4976562500 5006828125 5102959225 5207101250 5307077594 5389515625 5391968750 5415385300 5580859375 5607647500 5804093750 6007421875 6010156250 6036257500 6103515625 6132812500 6220703125 6250562500 6347656250 6469531250 6601562500 6728312500 6769231625 6835937500 7009559375 7289941750 7545321875 7548756250 7581539420 7666015625 7702812500 7813203125 7850706500 7972656250 8125731250 8251953125 8291562500 8410390625 8450760500 8544921875 8582031250 8585937500 8886718750 9242187500 9476924275 9570312500 9628515625 9813383125 10013656250 10205918450 10364453125 10414202500 10563450625 10614155188 10732421875 10779031250 10783937500 11161718750 11552734375 11608187500 11962890625 12014843750 12020312500 12207031250 12441406250 12695312500 12939062500 13017753125 13267693985 13479921875 13538463250 14019118750 14510234375 14579883500 15025390625 15090643750 15097512500 15332031250 15626406250 15869140625 15945312500 16173828125 16251462500 16503906250 16820781250 17089843750 17164062500 17773437500 18224854375 18871890625 18953848550 19257031250 19626766250 19931640625 20027312500 20314328125 20411836900 20728906250 21126901250 21455078125 21464843750 21558062500 22216796875 22323437500 23105468750 23925781250 24029687500 24414062500 24882812500 25034140625 25514796125 26035506250 26535387970 26947578125 26959843750 27076926500 27904296875 28038237500 29020468750 30037109375 30050781250 30181287500 30517578125 30664062500 31103515625 31252812500 31738281250 32347656250 33007812500 33641562500 33846158125 34179687500 35047796875 36449708750 37726609375 37743781250 37907697100 38330078125 38514062500 39066015625 39253532500 39863281250 40628656250 41259765625 41457812500 42051953125 42253802500 42724609375 42910156250 42929687500 44433593750 46210937500 47384621375 47851562500 48142578125 49066915625 50068281250 51029592250 51822265625 52071012500 52817253125 53070775940 53662109375 53895156250 53919687500 55808593750 57763671875 58040937500 59814453125 60074218750 60101562500 61035156250 62207031250 63476562500 64695312500 65088765625 66338469925 67399609375 67692316250 70095593750 72551171875 72899417500 75126953125 75453218750 75487562500 76660156250 78132031250 79345703125 79726562500 80869140625 81257312500 82519531250 84103906250 85449218750 85820312500 88867187500 91124271875 94359453125 94769242750 96285156250 98133831250 99658203125 100136562500 101571640625 102059184500 103644531250 105634506250 107275390625 107324218750 107790312500 111083984375 111617187500 115527343750 119628906250 120148437500 122070312500 124414062500 125170703125 127573980625 130177531250 132676939850 134737890625 134799218750 135384632500 139521484375 140191187500 145102343750 150185546875 150253906250 150906437500 153320312500 155517578125 156264062500 158691406250 161738281250 165039062500 168207812500 169230790625 170898437500 175238984375 182248543750 188633046875 188718906250 189538485500 191650390625 192570312500 195330078125 196267662500 199316406250 203143281250 206298828125 207289062500 210259765625 211269012500 213623046875 214550781250 214648437500 222167968750 231054687500 236923106875 239257812500 240712890625 245334578125 250341406250 255147961250 259111328125 260355062500 264086265625 265353879700 268310546875 269475781250 269598437500 279042968750 288818359375 290204687500 299072265625 300371093750 300507812500 311035156250 317382812500 323476562500 325443828125 331692349625 336998046875 338461581250 350477968750 362755859375 364497087500 375634765625 377266093750 377437812500 383300781250 390660156250 396728515625 398632812500 404345703125 406286562500 412597656250 420519531250 427246093750 429101562500 444335937500 455621359375 471797265625 473846213750 481425781250 490669156250 498291015625 500682812500 507858203125 510295922500 518222656250 528172531250 536376953125 536621093750 538951562500 555419921875 558085937500 577636718750 598144531250 600742187500 622070312500 625853515625 637869903125 650887656250 663384699250 673689453125 673996093750 676923162500 697607421875 700955937500 725511718750 750927734375 751269531250 754532187500 766601562500 777587890625 781320312500 793457031250 808691406250 825195312500 841039062500 846153953125 854492187500 876194921875 911242718750 943165234375 943594531250 947692427500 958251953125 962851562500 976650390625 981338312500 996582031250 1015716406250 1031494140625 1036445312500 1051298828125 1056345062500 1072753906250 1073242187500 1110839843750 1155273437500 1184615534375 1196289062500 1203564453125 1226672890625 1251707031250 1275739806250 1295556640625 1301775312500 1320431328125 1326769398500 1341552734375 1347378906250 1347992187500 1395214843750 1444091796875 1451023437500 1495361328125 1501855468750 1502539062500 1555175781250 1586914062500 1617382812500 1627219140625 1658461748125 1684990234375 1692307906250 1752389843750 1813779296875 1822485437500 1878173828125 1886330468750 1887189062500 1916503906250 1953300781250 1993164062500 2021728515625 2031432812500 2062988281250 2102597656250 2145507812500 2221679687500 2278106796875 2358986328125 2369231068750 2407128906250 2453345781250 2491455078125 2503414062500 2539291015625 2551479612500 2591113281250 2640862656250 2681884765625 2683105468750 2694757812500 2777099609375 2790429687500 2888183593750 2990722656250 3003710937500 3110351562500 3129267578125 3189349515625 3254438281250 3316923496250 3368447265625 3369980468750 3384615812500 3488037109375 3504779687500 3627558593750 3754638671875 3756347656250 3772660937500 3833007812500 3887939453125 3906601562500 4043457031250 4125976562500 4205195312500 4230769765625 4380974609375 4556213593750 4715826171875 4717972656250 4738462137500 4791259765625 4814257812500 4883251953125 4906691562500 4982910156250 5078582031250 5157470703125 5182226562500 5256494140625 5281725312500 5363769531250 5366210937500 5554199218750 5776367187500 5923077671875 5981445312500 6017822265625 6133364453125 6258535156250 6378699031250 6477783203125 6508876562500 6602156640625 6633846992500 6707763671875 6736894531250 6739960937500 6976074218750 7220458984375 7255117187500 7509277343750 7512695312500 7775878906250 8086914062500 8136095703125 8292308740625 8424951171875 8461539531250 8761949218750 9068896484375 9112427187500 9390869140625 9431652343750 9435945312500 9582519531250 9766503906250 9965820312500 10108642578125 10157164062500 10314941406250 10512988281250 10727539062500 11108398437500 11390533984375 11794931640625 11846155343750 12035644531250 12266728906250 12457275390625 12517070312500 12696455078125 12757398062500 12955566406250 13204313281250 13409423828125 13415527343750 13473789062500 13952148437500 14440917968750 15018554687500 15551757812500 15646337890625 15946747578125 16272191406250 16584617481250 16842236328125 16849902343750 16923079062500 17440185546875 17523898437500 18137792968750 18773193359375 18781738281250 18863304687500 19165039062500 19439697265625 19533007812500 20217285156250 20629882812500 21025976562500 21153848828125 21904873046875 22781067968750 23579130859375 23589863281250 23692310687500 24071289062500 24416259765625 24533457812500 24914550781250 25392910156250 25911132812500 26282470703125 26408626562500 26818847656250 26831054687500 28881835937500 29615388359375 30089111328125 30666822265625 31292675781250 31893495156250 32388916015625 32544382812500 33010783203125 33169234962500 33538818359375 33684472656250 33699804687500 34880371093750 36102294921875 36275585937500 37546386718750 37563476562500 38879394531250 40434570312500 40680478515625 41461543703125 42124755859375 42307697656250 43809746093750 45344482421875 45562135937500 46954345703125 47158261718750 47179726562500 48832519531250 49829101562500 50543212890625 50785820312500 52564941406250 53637695312500 56952669921875 58974658203125 59230776718750 60178222656250 61333644531250 62286376953125 62585351562500 63482275390625 63786990312500 64777832031250 66021566406250 67047119140625 67077636718750 67368945312500 69760742187500 72204589843750 75092773437500 77758789062500 78231689453125 79733737890625 81360957031250 82923087406250 84211181640625 84249511718750 84615395312500 87200927734375 87619492187500 90688964843750 93865966796875 93908691406250 94316523437500 97665039062500 101086425781250 105129882812500 105769244140625 109524365234375 113905339843750 117895654296875 117949316406250 118461553437500 120356445312500 122081298828125 122667289062500 124572753906250 126964550781250 129555664062500 131412353515625 132043132812500 134094238281250 134155273437500 144409179687500 148076941796875 150445556640625 153334111328125 156463378906250 159467475781250 161944580078125 162721914062500 165053916015625 165846174812500 168422363281250 168499023437500 174401855468750 181377929687500 187731933593750 187817382812500 202172851562500 203402392578125 207307718515625 210623779296875 211538488281250 219048730468750 226722412109375 227810679687500 234771728515625 235791308593750 235898632812500 244162597656250 249145507812500 252716064453125 253929101562500 262824707031250 268188476562500 284763349609375 294873291015625 296153883593750 300891113281250 306668222656250 312926757812500 317411376953125 318934951562500 323889160156250 330107832031250 336844726562500 348803710937500 375463867187500 391158447265625 398668689453125 406804785156250 414615437031250 421055908203125 421247558593750 423076976562500 436004638671875 438097460937500 453444824218750 469329833984375 469543457031250 471582617187500 488325195312500 505432128906250 525649414062500 528846220703125 547621826171875 569526699218750 589478271484375 589746582031250 592307767187500 601782226562500 610406494140625 613336445312500 634822753906250 647778320312500 657061767578125 660215664062500 740384708984375 752227783203125 766670556640625 782316894531250 797337378906250 809722900390625 813609570312500 825269580078125 829230874062500 842111816406250 842495117187500 872009277343750 906889648437500 938659667968750 939086914062500 1010864257812500 1017011962890625 1036538592578125 1053118896484375 1057692441406250 1095243652343750 1133612060546875 1139053398437500 1178956542968750 1179493164062500 1220812988281250 1269645507812500 1314123535156250 1423816748046875 1474366455078125 1480769417968750 1504455566406250 1533341113281250 1564633789062500 1587056884765625 1594674757812500 1619445800781250 1650539160156250 1684223632812500 1744018554687500 1877319335937500 1955792236328125 1993343447265625 2034023925781250 2073077185156250 2105279541015625 2106237792968750 2115384882812500 2190487304687500 2267224121093750 2357913085937500 2441625976562500 2628247070312500 2644231103515625 2738109130859375 2847633496093750 2947391357421875 2948732910156250 2961538835937500 3008911132812500 3052032470703125 3066682226562500 3174113769531250 3238891601562500 3285308837890625 3301078320312500 3701923544921875 3833352783203125 3911584472656250 3986686894531250 4068047851562500 4126347900390625 4146154370312500 4210559082031250 4212475585937500 4534448242187500 5085059814453125 5182692962890625 5265594482421875 5288462207031250 5476218261718750 5668060302734375 5695266992187500 5894782714843750 5897465820312500 6104064941406250 6348227539062500 6570617675781250 7119083740234375 7371832275390625 7403847089843750 7666705566406250 7823168945312500 7935284423828125 7973373789062500 8252695800781250 8421118164062500 9778961181640625 9966717236328125 10170119628906250 10365385925781250 10526397705078125 10531188964843750 10576924414062500 10952436523437500 11336120605468750 11789565429687500 12208129882812500 13141235351562500 13221155517578125 13690545654296875 14238167480468750 14736956787109375 14743664550781250 14807694179687500 15333411132812500 15870568847656250 16505391601562500 18509617724609375 19166763916015625 19557922363281250 19933434472656250 20340239257812500 20631739501953125 20730771851562500 21052795410156250 21062377929687500 22672241210937500 25425299072265625 25913464814453125 26442311035156250 27381091308593750 28476334960937500 29473913574218750 29487329101562500 31741137695312500 35595418701171875 36859161376953125 37019235449218750 38333527832031250 39115844726562500 39676422119140625 39866868945312500 41263479003906250 42105590820312500 49833586181640625 50850598144531250 51826929628906250 52884622070312500 54762182617187500 58947827148437500 66105777587890625 68452728271484375 71190837402343750 73684783935546875 73718322753906250 74038470898437500 76667055664062500 79352844238281250 82526958007812500 92548088623046875 95833819580078125 99667172363281250 101701196289062500 103158697509765625 103653859257812500 127126495361328125 129567324072265625 132211555175781250 136905456542968750 142381674804687500 147369567871093750 147436645507812500 158705688476562500 177977093505859375 185096177246093750 191667639160156250 199334344726562500 206317395019531250 249167930908203125 254252990722656250 259134648144531250 264423110351562500 273810913085937500 294739135742187500 330528887939453125 355954187011718750 370192354492187500 383335278320312500 412634790039062500 462740443115234375 479169097900390625 498335861816406250 508505981445312500 515793487548828125 518269296289062500 647836620361328125 661057775878906250 711908374023437500 889885467529296875 925480886230468750 958338195800781250 996671723632812500 1031586975097656250 1245839654541015625 1295673240722656250 1322115551757812500 1652644439697265625 1779770935058593750 1850961772460937500 1916676391601562500 2063173950195312500 2313702215576171875 2491679309082031250 2591346481445312500 3239183101806640625 3305288879394531250 3559541870117187500 4627404431152343750 4983358618164062500 6229198272705078125 6478366203613281250 6610577758789062500 9254808862304687500 11568511077880859375 12458396545410156250 12956732407226562500 16195915509033203125 23137022155761718750 24916793090820312500 32391831018066406250 46274044311523437500 64783662036132812500 80979577545166015625 161959155090332031250 323918310180664062500
- Sum of all divisors σ(n): 898636754602264991040
- Sum of proper divisors (its aliquot sum) s(n): 574718444421600928540
- 323918310180664062500 is an abundant number, because the sum of its proper divisors (574718444421600928540) is greater than itself. Its abundance is 250800134240936866040
Bases of 323918310180664062500
- Binary: 1000110001111010001010000001011101010101000110100011100110010001001002
- Hexadecimal: 0x118F4502EAA3473224
- Base-36: 1WCZ9DVICT8ZDW
Squares and roots of 323918310180664062500
- 323918310180664062500 squared (3239183101806640625002) is 104923071670296895638108253479003906250000
- 323918310180664062500 cubed (3239183101806640625003) is 33986504074407276011276894811089732684195041656494140625000000
-
The
square root of 323918310180664062500 is 17997730695.3033404505 -
The
cube root of 323918310180664062500 is 6867708.1753214993
Scales and comparisons
How big is 323918310180664062500?- 323,918,310,180,664,062,500 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 323,918,310,180,664,062,500 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 323918310180664062500 cubic inches would be around 572309 feet tall.
Recreational maths with 323918310180664062500
- 323918310180664062500 backwards is 005260466081013819323
- The number of decimal digits it has is: 21
- The sum of 323918310180664062500's digits is 68
- 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 323918310180664062500 - Facts about the integer". Numbermatics.com. 2024. Web. 27 May 2024.
APA style:
Numbermatics. (2024). Number 323918310180664062500 - Facts about the integer. Retrieved 27 May 2024, from https://numbermatics.com/n/323918310180664062500/
Chicago style:
Numbermatics. 2024. "Number 323918310180664062500 - Facts about the integer". https://numbermatics.com/n/323918310180664062500/
The information we have on file for 323918310180664062500 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 323918310180664062500, math, Factors of 323918310180664062500, curriculum, school, college, exams, university, Prime factorization of 323918310180664062500, STEM, science, technology, engineering, physics, economics, calculator, three hundred twenty-three quintillion, nine hundred eighteen quadrillion, three hundred ten trillion, one hundred eighty billion, six hundred sixty-four million, sixty-two thousand, five hundred.