32741526583074816
32,741,526,583,074,816 is an even composite number composed of six prime numbers multiplied together.
32741526583074816 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand and sixteen divisors.
Prime factorization of 32741526583074816:
213 × 32 × 13 × 19 × 613 × 892
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 19 × 61 × 61 × 61 × 89 × 89)See below for interesting mathematical facts about the number 32741526583074816 from the Numbermatics database.
Names of 32741526583074816
- Cardinal: 32741526583074816 can be written as Thirty-two quadrillion, seven hundred forty-one trillion, five hundred twenty-six billion, five hundred eighty-three million, seventy-four thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 3.2741526583074816 × 1016
Factors of 32741526583074816
Divisors of 32741526583074816
- Number of divisors d(n): 2016
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 38 39 48 52 57 61 64 72 76 78 89 96 104 114 117 122 128 144 152 156 171 178 183 192 208 228 234 244 247 256 267 288 304 312 342 356 366 384 416 456 468 488 494 512 534 549 576 608 624 684 712 732 741 768 793 801 832 912 936 976 988 1024 1068 1098 1152 1157 1159 1216 1248 1368 1424 1464 1482 1536 1586 1602 1664 1691 1824 1872 1952 1976 2048 2136 2196 2223 2304 2314 2318 2379 2432 2496 2736 2848 2928 2964 3072 3172 3204 3328 3382 3471 3477 3648 3721 3744 3904 3952 4096 4272 4392 4446 4608 4628 4636 4758 4864 4992 5073 5429 5472 5696 5856 5928 6144 6344 6408 6656 6764 6942 6954 7137 7296 7442 7488 7808 7904 7921 8192 8544 8784 8892 9216 9256 9272 9516 9728 9984 10146 10413 10431 10858 10944 11163 11392 11712 11856 12288 12688 12816 13312 13528 13884 13908 14274 14592 14884 14976 15067 15219 15616 15808 15842 16287 17088 17568 17784 18432 18512 18544 19032 19456 19968 20292 20826 20862 21716 21888 21983 22326 22784 23424 23712 23763 24576 25376 25632 26624 27056 27768 27816 28548 29184 29768 29952 30134 30438 31232 31616 31684 32574 33489 34176 35136 35568 36864 37024 37088 38064 38912 39936 40584 41652 41724 43432 43776 43966 44652 45201 45568 46848 47424 47526 48373 48861 50752 51264 53248 54112 55536 55632 57096 58368 59536 59904 60268 60876 62464 63232 63368 65148 65949 66978 68352 70272 70577 70699 71136 71289 73728 74048 74176 76128 77824 79872 81168 83304 83448 86864 87552 87932 89304 90402 91136 93696 94848 95052 96746 97722 101504 102528 102973 103151 106496 108224 111072 111264 114192 116736 119072 119808 120536 121752 124928 126464 126736 130296 131898 133956 135603 136704 140544 141154 141398 142272 142578 145119 148096 148352 150499 152256 155648 159744 162336 166608 166896 173728 175104 175864 178608 180804 182272 187392 189696 190104 193492 195444 197847 203008 205056 205946 206302 211731 212097 216448 222144 222528 226981 228384 233472 238144 239616 241072 243504 249856 252928 253472 260592 263796 267912 271206 273408 281088 282308 282796 284544 285156 290238 296192 296704 300998 304512 308919 309453 319488 324672 331169 333216 333792 347456 350208 351728 357216 361608 364544 374784 379392 380208 386984 390888 395694 406016 410112 411892 412604 423462 424194 432896 435357 444288 445056 451497 453962 456768 466944 476288 479232 482144 483181 487008 499712 505856 506944 521184 527592 535824 542412 546816 562176 564616 565592 569088 570312 580476 592384 593408 601996 609024 617838 618906 635193 636291 649344 662338 666432 667584 680943 694912 700416 703456 714432 723216 729088 749568 758784 760416 773968 781776 791388 812032 820224 823784 825208 846924 848388 865792 870714 888576 890112 902994 907924 913536 919087 926757 928359 952576 958464 964288 966362 974016 993507 1011712 1013888 1042368 1055184 1071648 1084824 1093632 1124352 1129232 1131184 1138176 1140624 1160952 1184768 1186816 1203992 1218048 1235676 1237812 1270386 1272582 1298688 1324676 1332864 1335168 1340963 1354491 1361886 1389824 1400832 1406912 1428864 1446432 1449543 1499136 1517568 1520832 1547936 1563552 1582776 1624064 1640448 1647568 1650416 1693848 1696776 1731584 1741428 1777152 1780224 1805988 1815848 1827072 1838174 1853514 1856718 1905152 1928576 1932724 1948032 1956487 1987014 2023424 2027776 2042829 2084736 2110368 2143296 2169648 2187264 2248704 2258464 2262368 2276352 2281248 2321904 2369536 2373632 2407984 2436096 2471352 2475624 2540772 2545164 2597376 2649352 2665728 2670336 2681926 2708982 2723772 2757261 2779648 2813824 2857728 2892864 2899086 2950753 2980521 3035136 3041664 3095872 3127104 3165552 3248128 3280896 3295136 3300832 3387696 3393552 3463168 3482856 3554304 3560448 3611976 3631696 3654144 3676348 3707028 3713436 3810304 3857152 3865448 3896064 3912974 3974028 4022889 4055552 4085658 4169472 4220736 4286592 4305197 4312639 4339296 4348629 4497408 4516928 4524736 4552704 4562496 4643808 4739072 4747264 4815968 4872192 4942704 4951248 5081544 5090328 5194752 5298704 5331456 5340672 5363852 5417964 5447544 5514522 5559296 5627648 5715456 5785728 5798172 5869461 5901506 5961042 6070272 6083328 6191744 6254208 6281353 6292211 6331104 6496256 6561792 6590272 6601664 6775392 6787104 6926336 6965712 7108608 7120896 7223952 7263392 7308288 7352696 7414056 7426872 7620608 7714304 7730896 7792128 7825948 7948056 8045778 8111104 8171316 8271783 8338944 8441472 8573184 8610394 8625278 8678592 8697258 8852259 9033856 9049472 9105408 9124992 9180439 9287616 9478144 9494528 9631936 9744384 9885408 9902496 10163088 10180656 10389504 10597408 10662912 10681344 10727704 10835928 10895088 11029044 11118592 11255296 11430912 11571456 11596344 11738922 11803012 11922084 12068667 12166656 12383488 12508416 12562706 12584422 12662208 12915591 12937917 13180544 13203328 13550784 13574208 13852672 13931424 14217216 14241792 14447904 14526784 14616576 14705392 14828112 14853744 15241216 15428608 15461792 15584256 15651896 15896112 16091556 16222208 16342632 16543566 16677888 16882944 17146368 17220788 17250556 17357184 17394516 17608383 17704518 18067712 18098944 18210816 18249984 18360878 18575232 18844059 18876633 19263872 19488768 19770816 19804992 20201309 20326176 20361312 20779008 21194816 21325824 21362688 21455408 21671856 21790176 22058088 22237184 22510592 22861824 23142912 23192688 23477844 23606024 23844168 24137334 24333312 24766976 25016832 25125412 25168844 25324416 25831182 25875834 26361088 26406656 26556777 27101568 27148416 27541317 27862848 28434432 28483584 28895808 29053568 29233152 29410784 29474041 29656224 29707488 30482432 30857216 30923584 31168512 31303792 31792224 32183112 32444416 32685264 33087132 33355776 33765888 34292736 34441576 34501112 34714368 34789032 35216766 35409036 36135424 36197888 36499968 36721756 37150464 37688118 37753266 38527744 38746773 38813751 39541632 39609984 40402618 40652352 40722624 41558016 42389632 42651648 42725376 42910816 43343712 43580352 44116176 44474368 45021184 45723648 46285824 46385376 46955688 47212048 47688336 48274668 48666624 49533952 50033664 50250824 50337688 50648832 51662364 51751668 52722176 52813312 53113554 54203136 54296832 55082634 55725696 56064307 56532177 56629899 57791616 58107136 58466304 58821568 58948082 59312448 59414976 60603927 61714432 61847168 62337024 62607584 63584448 64366224 64888832 65370528 66174264 66711552 67531776 68585472 68883152 69002224 69428736 69578064 70433532 70818072 72270848 72395776 72999936 73443512 74300928 75376236 75506532 77055488 77493546 77627502 79083264 79219968 80805236 81304704 81445248 81798743 82623951 84779264 85303296 85450752 85821632 86687424 87160704 88232352 88422123 90042368 91447296 92571648 92770752 93911376 94424096 95376672 96549336 97333248 99067904 100067328 100501648 100675376 101297664 103324728 103503336 105444352 105626624 106227108 108406272 108593664 110165268 111451392 112128614 113064354 113259798 115583232 116214272 117643136 117896164 118624896 118829952 119345707 121207854 123428864 123694336 124674048 125215168 127168896 128732448 130741056 132348528 133423104 135063552 137170944 137766304 138004448 138857472 139156128 140867064 141636144 144541696 144791552 145999872 146887024 148601856 150752472 151013064 154110976 154987092 155255004 158166528 158439936 161610472 162609408 162890496 163597486 165247902 168192921 169558528 171643264 173374848 174321408 176464704 176844246 180084736 181811781 185143296 185541504 187822752 188848192 190753344 193098672 194666496 198135808 200134656 201003296 201350752 202595328 206649456 207006672 210888704 211253248 212454216 216812544 217187328 220330536 222902784 224257228 226128708 226519596 231166464 232428544 235286272 235792328 237249792 237659904 238691414 242415708 245396229 247388672 250430336 254337792 257464896 261482112 262617017 264697056 265266369 270127104 274341888 275532608 276008896 277714944 278312256 281734128 283272288 289083392 289583104 291999744 293774048 297203712 301504944 302026128 308221952 309974184 310510008 316333056 316879872 323220944 325218816 325780992 327194972 330495804 336385842 339117056 343286528 346749696 348642816 352929408 353688492 358037121 363623562 370286592 371083008 375645504 377696384 381506688 383162533 383824871 386197344 396271616 400269312 402006592 402701504 405190656 413298912 414013344 421777408 422506496 424908432 433625088 434374656 440661072 445805568 448514456 452257416 453039192 462332928 464857088 470572544 471584656 474499584 475319808 477382828 484831416 490792458 494777344 500860672 504578763 508675584 514929792 522964224 525234034 529394112 530532738 540254208 551065216 552017792 555429888 556624512 560006779 563468256 566544576 578166784 579166208 583999488 587548096 594407424 603009888 604052256 616443904 619948368 621020016 632666112 633759744 646441888 650437632 651561984 654389944 660991608 672771684 678234112 686573056 693499392 697285632 705858816 707376984 716074242 727247124 736188687 742166016 751291008 755392768 763013376 766325066 767649742 772394688 787851051 804013184 805403008 810381312 826597824 828026688 843554816 845012992 849816864 867250176 868749312 881322144 891611136 897028912 904514832 906078384 924665856 929714176 941145088 943169312 948999168 950639616 954765656 969662832 981584916 989554688 1001721344 1009157526 1017351168 1029859584 1045928448 1050468068 1058788224 1061065476 1074111363 1102130432 1104035584 1110859776 1113249024 1120013558 1126936512 1133089152 1149487599 1151474613 1175096192 1188814848 1206019776 1208104512 1232887808 1239896736 1242040032 1265332224 1267519488 1292883776 1300875264 1303123968 1308779888 1321983216 1345543368 1356468224 1373146112 1386998784 1394571264 1411717632 1414753968 1432148484 1454494248 1472377374 1484332032 1502582016 1510785536 1526026752 1532650132 1535299484 1544789376 1575702102 1608026368 1610806016 1620762624 1653195648 1656053376 1680020337 1699633728 1734500352 1737498624 1762644288 1783222272 1794057824 1797916501 1809029664 1812156768 1849331712 1859428352 1882290176 1886338624 1897998336 1901279232 1909531312 1939325664 1963169832 1979109376 2003442688 2018315052 2034702336 2059719168 2091856896 2100936136 2117576448 2122130952 2148222726 2204260864 2208071168 2226498048 2240027116 2253873024 2266178304 2298975198 2302949226 2350192384 2363553153 2412039552 2416209024 2479793472 2484080064 2530664448 2535038976 2585767552 2601750528 2606247936 2617559776 2643966432 2691086736 2712936448 2746292224 2773997568 2789142528 2823435264 2829507936 2864296968 2908988496 2944754748 2968664064 3005164032 3021571072 3052053504 3065300264 3070598968 3089578752 3151404204 3216052736 3221612032 3306391296 3312106752 3360040674 3399267456 3448462797 3454423839 3525288576 3566444544 3588115648 3595833002 3618059328 3624313536 3698663424 3764580352 3772677248 3795996672 3802558464 3819062624 3878651328 3926339664 3958218752 4006885376 4036630104 4069404672 4119438336 4183713792 4201872272 4235152896 4244261904 4296445452 4408521728 4416142336 4452996096 4480054232 4507746048 4532356608 4597950396 4605898452 4700384768 4727106306 4824079104 4832418048 4959586944 4968160128 4989723323 5040061011 5171535104 5203501056 5212495872 5235119552 5287932864 5382173472 5393749503 5492584448 5547995136 5578285056 5646870528 5659015872 5728593936 5817976992 5889509496 5937328128 6010328064 6043142144 6104107008 6130600528 6141197936 6179157504 6302808408 6432105472 6443224064 6612782592 6624213504 6720081348 6798534912 6896925594 6908847678 7050577152 7176231296 7191666004 7236118656 7248627072 7280088127 7529160704 7545354496 7591993344 7605116928 7638125248 7757302656 7852679328 8013770752 8073260208 8138809344 8238876672 8367427584 8403744544 8470305792 8488523808 8592890904 8817043456 8832284672 8905992192 8960108464 9015492096 9064713216 9195900792 9211796904 9400769536 9454212612 9648158208 9664836096 9919173888 9936320256 9979446646 10080122022 10343070208 10470239104 10575865728 10764346944 10787499006 10985168896 11095990272 11293741056 11318031744 11457187872 11635953984 11779018992 11874656256 12020656128 12086284288 12208214016 12261201056 12282395872 12358315008 12605616816 12864210944 12886448128 13225565184 13248427008 13440162696 13597069824 13793851188 13817695356 14101154304 14352462592 14383332008 14472237312 14497254144 14560176254 14969169969 15090708992 15276250496 15514605312 15705358656 16027541504 16146520416 16181248509 16477753344 16734855168 16807489088 16940611584 16977047616 17185781808 17634086912 17664569344 17811984384 17920216928 18030984192 18129426432 18391801584 18423593808 18801539072 18908425224 19296316416 19329672192 19838347776 19872640512 19958893292 20160244044 20686140416 20940478208 21151731456 21528693888 21574998012 21840264381 22587482112 22636063488 22914375744 23271907968 23372914513 23558037984 24041312256 24172568576 24416428032 24522402112 24564791744 24716630016 25211233632 25728421888 25772896256 26451130368 26496854016 26880325392 27194139648 27587702376 27635390712 28202308608 28704925184 28766664016 28944474624 28994508288 29120352508 29938339938 30181417984 30552500992 31029210624 31410717312 32293040832 32362497018 32955506688 33614978176 33881223168 33954095232 34160413519 34371563616 35268173824 35329138688 35623968768 35840433856 36061968384 36258852864 36783603168 36847187616 37603078144 37816850448 38592632832 38659344384 39676695552 39745281024 39917786584 40320488088 41372280832 41880956416 42303462912 43057387776 43149996024 43680528762 44907509907 45272126976 45828751488 46543815936 46745829026 47116075968 48082624512 49044804224 49129583488 49433260032 50422467264 51456843776 51545792512 52902260736 52993708032 53760650784 54388279296 55175404752 55270781424 56404617216 57409850368 57533328032 57888949248 57989016576 58240705016 59876679876 60362835968 61105001984 62058421248 62821434624 64586081664 64724994036 65520793143 67229956352 67762446336 67908190464 68320827038 68743127232 70118743539 71680867712 72123936768 72517705728 73567206336 73694375232 75206156288 75633700896 77185265664 77318688768 79353391104 79490562048 79835573168 80640976176 82744561664 83761912832 84606925824 86114775552 86299992048 87361057524 89815019814 90544253952 91657502976 93087631872 93491658052 94232151936 98089608448 98259166976 98866520064 100844934528 102481240557 105804521472 105987416064 107521301568 108776558592 110350809504 110541562848 112809234432 114819700736 115066656064 115777898496 115978033152 116481410032 119753359752 120725671936 122210003968 124116842496 125642869248 129172163328 129449988072 131041586286 134459912704 135816380928 136641654076 137486254464 140237487078 143361735424 144247873536 147134412672 147388750464 151267401792 154370531328 154637377536 158706782208 158981124096 159671146336 161281952352 165489123328 167523825664 169213851648 172229551104 172599984096 174722115048 179630039628 181088507904 183315005952 186175263744 186983316104 188464303872 196179216896 196518333952 201689869056 204962481114 210356230617 215042603136 217553117184 220701619008 221083125696 225618468864 229639401472 230133312128 231555796992 231956066304 232962820064 239506719504 241451343872 244420007936 248233684992 251285738496 258344326656 258899976144 262083172572 268919825408 271632761856 273283308152 274972508928 280474974156 286723470848 294268825344 294777500928 302534803584 307443721671 317413564416 317962248192 319342292672 322563904704 335047651328 338427703296 344459102208 345199968192 349444230096 359260079256 362177015808 366630011904 372350527488 373966632208 376928607744 392358433792 393036667904 403379738112 409924962228 420712461234 430085206272 441403238016 442166251392 444085375747 459278802944 460266624256 463111593984 463912132608 465925640128 479013439008 488840015872 496467369984 502571476992 516688653312 517799952288 524166345144 537839650816 543265523712 546566616304 549945017856 560949948312 573446941696 588537650688 589555001856 605069607168 614887443342 638684585344 645127809408 670095302656 676855406592 688918204416 690399936384 698888460192 718520158512 724354031616 733260023808 744701054976 747933264416 753857215488 784716867584 786073335808 806759476224 819849924456 841424922468 860170412544 882806476032 884332502784 888170751494 920533248512 931851280256 958026878016 977680031744 1005142953984 1033377306624 1035599904576 1048332690288 1075679301632 1086531047424 1093133232608 1099890035712 1121899896624 1146893883392 1177075301376 1179110003712 1210139214336 1229774886684 1277369170688 1290255618816 1332256127241 1377836408832 1380799872768 1397776920384 1437040317024 1466520047616 1489402109952 1495866528832 1507714430976 1569433735168 1572146671616 1613518952448 1639699848912 1682849844936 1720340825088 1765612952064 1768665005568 1776341502988 1841066497024 1863702560512 1916053756032 2010285907968 2066754613248 2071199809152 2096665380576 2151358603264 2173062094848 2186266465216 2199780071424 2243799793248 2293787766784 2354150602752 2358220007424 2420278428672 2459549773368 2554738341376 2580511237632 2664512254482 2761599745536 2795553840768 2874080634048 2933040095232 2991733057664 3015428861952 3138867470336 3144293343232 3227037904896 3279399697824 3365699689872 3440681650176 3531225904128 3537330011136 3552683005976 3682132994048 3727405121024 3832107512064 3996768381723 4133509226496 4142399618304 4193330761152 4372532930432 4399560142848 4487599586496 4587575533568 4708301205504 4716440014848 4840556857344 4919099546736 5109476682752 5161022475264 5329024508964 5523199491072 5591107681536 5748161268096 5983466115328 6030857723904 6454075809792 6558799395648 6731399379744 6881363300352 7062451808256 7074660022272 7105366011952 7364265988096 7454810242048 7664215024128 7993536763446 8284799236608 8386661522304 8745065860864 8799120285696 8975199172992 9416602411008 9432880029696 9681113714688 9838199093472 10218953365504 10322044950528 10658049017928 11046398982144 11182215363072 11496322536192 11966932230656 13117598791296 13462798759488 13762726600704 14124903616512 14149320044544 14210732023904 14728531976192 14909620484096 15328430048256 15987073526892 16569598473216 16773323044608 17490131721728 17950398345984 19362227429376 19676398186944 20437906731008 20644089901056 21316098035856 22092797964288 22364430726144 22992645072384 23933864461312 26235197582592 26925597518976 28249807233024 28298640089088 28421464047808 29819240968192 30656860096512 31974147053784 33139196946432 33546646089216 34980263443456 35900796691968 39352796373888 40875813462016 41288179802112 42632196071712 44185595928576 44728861452288 45985290144768 47867728922624 52470395165184 53851195037952 56842928095616 59638481936384 61313720193024 63948294107568 66278393892864 67093292178432 69960526886912 71801593383936 78705592747776 85264392143424 89457722904576 91970580289536 95735457845248 104940790330368 107702390075904 113685856191232 122627440386048 127896588215136 132556787785728 134186584356864 139921053773824 143603186767872 157411185495552 170528784286848 178915445809152 183941160579072 191470915690496 209881580660736 215404780151808 227371712382464 255793176430272 268373168713728 279842107547648 287206373535744 314822370991104 341057568573696 367882321158144 419763161321472 430809560303616 454743424764928 511586352860544 536746337427456 574412747071488 629644741982208 682115137147392 839526322642944 861619120607232 909486849529856 1023172705721088 1259289483964416 1364230274294784 1723238241214464 1818973699059712 2046345411442176 2518578967928832 2728460548589568 3637947398119424 4092690822884352 5456921097179136 8185381645768704 10913842194358272 16370763291537408 32741526583074816
- Sum of all divisors σ(n): 110242640030184480
- Sum of proper divisors (its aliquot sum) s(n): 77501113447109664
- 32741526583074816 is an abundant number, because the sum of its proper divisors (77501113447109664) is greater than itself. Its abundance is 44759586864034848
Bases of 32741526583074816
- Binary: 11101000101001000111110101101010110001101100000000000002
- Hexadecimal: 0x74523EB5636000
- Base-36: 8YDWHNYEBK0
Squares and roots of 32741526583074816
- 32741526583074816 squared (327415265830748162) is 1072007562990194835994673053433856
- 32741526583074816 cubed (327415265830748163) is 35099164120900714508901587442248153115359755370496
-
The
square root of 32741526583074816 is 180946198.0343185215 -
The
cube root of 32741526583074816 is 319913.8002947321
Scales and comparisons
How big is 32741526583074816?- 32,741,526,583,074,816 seconds is equal to 1,041,079,269 years, 7 weeks, 5 days, 18 hours, 33 minutes, 36 seconds.
-
To count from 1 to 32,741,526,583,074,816 would take you about three billion, one hundred twenty-three million, two hundred thirty-seven thousand, eight hundred seven 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 32741526583074816 cubic inches would be around 26659.5 feet tall.
Recreational maths with 32741526583074816
- 32741526583074816 backwards is 61847038562514723
- 32741526583074816 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 32741526583074816's digits is 72
- 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 32741526583074816 - Facts about the integer". Numbermatics.com. 2024. Web. 16 June 2024.
APA style:
Numbermatics. (2024). Number 32741526583074816 - Facts about the integer. Retrieved 16 June 2024, from https://numbermatics.com/n/32741526583074816/
Chicago style:
Numbermatics. 2024. "Number 32741526583074816 - Facts about the integer". https://numbermatics.com/n/32741526583074816/
The information we have on file for 32741526583074816 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 32741526583074816, math, Factors of 32741526583074816, curriculum, school, college, exams, university, Prime factorization of 32741526583074816, STEM, science, technology, engineering, physics, economics, calculator, thirty-two quadrillion, seven hundred forty-one trillion, five hundred twenty-six billion, five hundred eighty-three million, seventy-four thousand, eight hundred sixteen.