30863127993984
30,863,127,993,984 is an even composite number composed of six prime numbers multiplied together.
What does the number 30863127993984 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 2304 divisors.
30863127993984 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, three hundred four divisors.
Prime factorization of 30863127993984:
27 × 33 × 113 × 132 × 29 × 372
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 11 × 11 × 13 × 13 × 29 × 37 × 37)See below for interesting mathematical facts about the number 30863127993984 from the Numbermatics database.
Names of 30863127993984
- Cardinal: 30863127993984 can be written as Thirty trillion, eight hundred sixty-three billion, one hundred twenty-seven million, nine hundred ninety-three thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 3.0863127993984 × 1013
Factors of 30863127993984
Divisors of 30863127993984
- Number of divisors d(n): 2304
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 29 32 33 36 37 39 44 48 52 54 58 64 66 72 74 78 87 88 96 99 104 108 111 116 117 121 128 132 143 144 148 156 169 174 176 192 198 208 216 222 232 234 242 261 264 286 288 296 297 312 319 333 338 348 351 352 363 377 384 396 407 416 429 432 444 464 468 481 484 507 522 528 572 576 592 594 624 638 666 676 696 702 704 726 754 783 792 814 832 858 864 888 928 936 957 962 968 999 1014 1044 1056 1073 1089 1131 1144 1152 1184 1188 1221 1248 1276 1287 1331 1332 1352 1369 1392 1404 1408 1443 1452 1508 1521 1566 1573 1584 1628 1664 1716 1728 1776 1856 1859 1872 1914 1924 1936 1998 2028 2088 2112 2146 2178 2262 2288 2368 2376 2442 2496 2552 2574 2662 2664 2704 2738 2784 2808 2871 2886 2904 3016 3042 3132 3146 3168 3219 3256 3267 3393 3432 3456 3509 3552 3663 3712 3718 3744 3828 3848 3861 3872 3993 3996 4056 4107 4147 4176 4224 4292 4329 4356 4477 4524 4563 4576 4719 4736 4752 4884 4901 4992 5104 5148 5291 5324 5328 5408 5476 5568 5577 5616 5742 5772 5808 6032 6084 6253 6264 6292 6336 6438 6512 6534 6786 6864 7018 7104 7326 7436 7488 7656 7696 7722 7744 7986 7992 8112 8214 8294 8352 8584 8613 8658 8712 8954 9048 9126 9152 9438 9504 9657 9768 9802 10179 10208 10296 10527 10582 10648 10656 10816 10952 10989 11136 11154 11232 11484 11544 11616 11803 11979 12064 12168 12321 12441 12506 12528 12584 12672 12876 12987 13024 13068 13431 13572 13728 13949 14036 14157 14208 14652 14703 14872 14976 15059 15312 15392 15444 15488 15873 15972 15984 16224 16428 16588 16704 16731 17168 17226 17303 17316 17424 17797 17908 18096 18252 18304 18759 18876 19008 19314 19536 19604 20358 20416 20449 20592 21054 21164 21296 21312 21632 21904 21978 22308 22464 22968 23088 23232 23606 23958 24128 24336 24642 24882 25012 25056 25168 25752 25974 26048 26136 26862 27144 27456 27898 28072 28314 28971 29304 29406 29744 30118 30624 30784 30888 31581 31746 31944 31968 32448 32856 33176 33408 33462 34336 34452 34606 34632 34848 35409 35594 35816 35937 36192 36504 36963 37323 37518 37752 38016 38599 38628 39072 39208 39701 40293 40716 40832 40898 41184 41847 42108 42328 42471 42592 42624 43808 43956 44109 44616 44928 45177 45617 45936 46176 46464 47212 47619 47916 48256 48672 49247 49284 49764 50024 50112 50193 50336 51504 51909 51948 52096 52272 53391 53724 53911 54288 54912 55796 56144 56277 56628 57942 58201 58608 58812 59488 60236 61248 61347 61568 61776 63162 63492 63888 63936 64896 65712 66352 66924 68672 68783 68904 69212 69264 69696 70818 71188 71632 71874 72384 73008 73926 74646 75036 75504 77198 77256 78144 78416 79402 80586 81432 81796 82368 83694 84216 84656 84942 85184 87616 87912 88218 89232 90354 91234 91872 92352 94424 94743 95238 95832 97344 98494 98568 99528 100048 100224 100386 100672 103008 103818 103896 104544 106227 106782 107448 107822 108576 111592 111969 112288 112554 113256 115797 115884 116402 117216 117624 118976 119103 120472 120879 122496 122694 123552 125541 126324 126984 127776 127872 129833 131424 132327 132704 133848 135531 136851 137344 137566 137808 138424 138528 139392 141636 142376 142857 143264 143748 144768 146016 147741 147852 149292 150072 151008 153439 154396 154512 155727 156288 156832 158804 160173 161172 161733 162864 163592 164736 165649 167388 168432 168831 169312 169884 170368 174603 175232 175824 176436 178464 180708 181337 182468 183744 184041 184704 188848 189486 190476 191664 194688 195767 196988 197136 199056 200096 200772 201344 206016 206349 207636 207792 209088 212454 213564 214896 215644 217152 223184 223938 224576 224939 225108 226512 231361 231594 231768 232804 234432 235248 237952 238206 240944 241758 245388 247104 251082 252648 253968 255552 259666 262848 264654 265408 267696 271062 273702 275132 275616 276848 277056 283272 284752 285714 286528 287496 292032 295482 295704 298584 300144 302016 306878 308792 309024 311454 313664 317608 318681 320346 322344 323466 325728 327184 331298 334776 336864 337662 338624 339768 347391 349206 351648 352872 356928 357309 361416 362674 364936 367488 368082 376623 377696 378972 380952 383328 389499 391534 393976 394272 398112 400192 401544 406593 410553 412032 412698 415272 415584 418176 424908 427128 429792 431288 434304 436711 443223 446368 447876 449152 449878 450216 453024 460317 462722 463188 463536 465608 467181 468864 470496 476412 480519 481888 483516 485199 490776 494208 496947 501787 502164 505296 507936 511104 516113 519332 523809 525696 529308 530816 535392 542124 544011 547404 550264 551232 552123 553696 554112 566544 569504 571428 573056 574992 584064 587301 590964 591408 593021 597168 600288 604032 613756 617584 618048 619047 622908 627328 635216 637362 640211 640692 644688 646932 651456 654368 662596 669552 673728 674817 675324 677248 679536 694083 694782 698412 703296 705744 713856 714618 722832 725348 729872 736164 753246 755392 756613 757944 761904 766656 778998 783068 787952 788544 796224 800384 803088 813186 821106 825396 830544 831168 849816 854256 859584 862576 873422 886446 892736 895752 899756 900432 906048 920634 925444 926376 927072 931216 934362 940992 952824 961038 963776 967032 970398 981552 993894 1003574 1004328 1010592 1015872 1032226 1038664 1042173 1047618 1058616 1070784 1071927 1084248 1088022 1094808 1100528 1102464 1104246 1107392 1133088 1139008 1142856 1149984 1168497 1174602 1181928 1182816 1186042 1194336 1200576 1227512 1231659 1235168 1236096 1238094 1245816 1270432 1274724 1280422 1281384 1289376 1293864 1302912 1308736 1310133 1325192 1329669 1339104 1347456 1349634 1350648 1359072 1380951 1388166 1389564 1396824 1406592 1411488 1428163 1429236 1445664 1450696 1455597 1459744 1472328 1490841 1505361 1506492 1510784 1513226 1515888 1523808 1533312 1548339 1557996 1566136 1571427 1575904 1577088 1592448 1606176 1626372 1632033 1642212 1650792 1661088 1662336 1687829 1699632 1708512 1719168 1725152 1746844 1761903 1772892 1779063 1785472 1791504 1799512 1800864 1812096 1822139 1841268 1850888 1852752 1854144 1857141 1862432 1868724 1881984 1905648 1920633 1922076 1927552 1934064 1940796 1963104 1987788 1994707 2007148 2008656 2021184 2024451 2031744 2064452 2077328 2082249 2084346 2095236 2117232 2141568 2143854 2153437 2168496 2176044 2189616 2201056 2208492 2214784 2266176 2269839 2278016 2285712 2299968 2336994 2349204 2363856 2365632 2372084 2388672 2401152 2455024 2463318 2470336 2476188 2491632 2540864 2544971 2549448 2560844 2562768 2578752 2587728 2617472 2620266 2650384 2659338 2678208 2699268 2701296 2718144 2761902 2776332 2779128 2793648 2822976 2856326 2858472 2891328 2901392 2911194 2919488 2944656 2981682 3010722 3012984 3026452 3031776 3047616 3096678 3115992 3132272 3142854 3151808 3212352 3252744 3264066 3284424 3301584 3322176 3375658 3399264 3417024 3450304 3493688 3505491 3523806 3545784 3558126 3583008 3599024 3601728 3644278 3682536 3701776 3705504 3708288 3714282 3724864 3737448 3811296 3841266 3844152 3868128 3881592 3926208 3930399 3975576 3989414 4014296 4017312 4042368 4048902 4128904 4142853 4154656 4164498 4168692 4190472 4234464 4284489 4287708 4306874 4336992 4352088 4379232 4402112 4416984 4472523 4516083 4532352 4539678 4571424 4599936 4645017 4673988 4698408 4727712 4731264 4744168 4777344 4803821 4896099 4910048 4926636 4940672 4952376 4983264 5063487 5081728 5089942 5098896 5121688 5125536 5157504 5175456 5240532 5285709 5300768 5318676 5337189 5356416 5398536 5402592 5436288 5466417 5523804 5552664 5558256 5587296 5645952 5677243 5712652 5716944 5761899 5782656 5802784 5822388 5838976 5889312 5963364 5984121 6021444 6025968 6052904 6063552 6073353 6095232 6193356 6231984 6246747 6264544 6285708 6303616 6424704 6460311 6505488 6523231 6528132 6568848 6603168 6644352 6709469 6751316 6798528 6809517 6834048 6900608 6987376 7010982 7047612 7091568 7116252 7166016 7198048 7203456 7288556 7365072 7403552 7411008 7428564 7449728 7474896 7622592 7634913 7682532 7688304 7736256 7763184 7852416 7860798 7951152 7978828 8028592 8034624 8097804 8257808 8285706 8309312 8322743 8328996 8337384 8380944 8468928 8568978 8575416 8613748 8673984 8704176 8758464 8804224 8833968 8945046 9032166 9079356 9142848 9290034 9347976 9396816 9455424 9488336 9607642 9792198 9820096 9853272 9904752 9966528 10126974 10179884 10197792 10243376 10251072 10350912 10481064 10571418 10601536 10637352 10674378 10797072 10805184 10932834 11047608 11105328 11116512 11174592 11354486 11425304 11433888 11523798 11605568 11644776 11778624 11791197 11926728 11968242 12042888 12051936 12105808 12127104 12146706 12386712 12463968 12493494 12529088 12571416 12853467 12920622 13010976 13046462 13056264 13137696 13206336 13418938 13502632 13548249 13597056 13619034 13935051 13974752 14021964 14095224 14183136 14232504 14332032 14396096 14411463 14577112 14730144 14807104 14822016 14857128 14949792 15190461 15245184 15269826 15365064 15376608 15472512 15526368 15721596 15902304 15957656 16011567 16057184 16069248 16195608 16399251 16515616 16571412 16618624 16645486 16657992 16674768 16761888 16937856 17031729 17137956 17150832 17227496 17285697 17347968 17408352 17516928 17667936 17890092 17952363 18064332 18158712 18285696 18566119 18580068 18695952 18793632 18910848 18976672 19215284 19380933 19569693 19584396 19640192 19706544 19809504 19933056 20128407 20253948 20359768 20395584 20428551 20486752 20502144 20701824 20962128 21142836 21203072 21274704 21348756 21594144 21610368 21865668 21941777 22095216 22210656 22233024 22349184 22708972 22850608 22867776 22904739 23047596 23211136 23289552 23557248 23582394 23687807 23853456 23936484 24085776 24103872 24211616 24293412 24773424 24927936 24968229 24986988 25058176 25142832 25706934 25841244 26021952 26092924 26112528 26275392 26412672 26837876 27005264 27096498 27238068 27870102 27949504 27994681 28043928 28190448 28366272 28465008 28792192 28822926 29154224 29460288 29614208 29714256 29899584 30380922 30539652 30730128 30753216 31052736 31443192 31804608 31915312 32023134 32114368 32391216 32798502 33031232 33142824 33290972 33315984 33349536 33523776 34063458 34275912 34301664 34454992 34571394 34816704 35335872 35780184 35904726 36128664 36317424 37132238 37160136 37391904 37587264 37953344 38430568 38560401 38761866 39139386 39168792 39413088 39619008 40256814 40507896 40719536 40791168 40857102 40973504 41924256 42285672 42549408 42697512 43188288 43234389 43731336 43883554 44190432 44421312 44466048 45417944 45571383 45701216 45735552 45809478 46095192 46579104 47164788 47375614 47706912 47872968 48171552 48207744 48423232 48586824 49197753 49546848 49855872 49936458 49973976 50285664 51095187 51413868 51682488 52043904 52185848 52225056 52550784 52842031 53675752 53857089 54010528 54192996 54476136 55698357 55740204 55899008 55989362 56087856 56380896 56732544 56930016 57645852 58142799 58308448 58709079 58920576 59428512 59799168 60385221 60761844 61079304 61460256 61506432 62105472 62449673 62886384 63609216 63830624 64046268 64228736 64782432 65597004 65825331 66062464 66285648 66581944 66631968 66699072 67047552 68126916 68551824 68603328 68714217 68909984 69142788 69633408 70671744 71063421 71560368 71809452 72257328 72634848 73804159 74264476 74320272 74783808 74904687 75174528 75906688 76861136 77120802 77523732 78278772 78337584 78826176 79238016 80513628 81015792 81439072 81714204 81947008 83848512 83984043 84571344 85098816 85395024 86376576 86468778 87462672 87767108 88380864 88842624 90835888 91142766 91402432 91618956 92190384 93158208 94329576 94751228 95413824 95745936 96343104 96846464 97173648 98395506 99093696 99872916 99947952 100571328 102190374 102827736 103364976 104371696 104450112 105684062 107351504 107714178 108021056 108385992 108952272 111396714 111480408 111978724 112175712 112761792 113860032 115291704 116285598 116616896 117418158 118857024 120770442 121523688 122158608 122920512 124899346 125772768 127661248 128092536 129564864 129703167 131194008 131650662 132571296 133163888 133263936 133398144 136253832 137103648 137206656 137428434 137819968 138285576 142126842 143120736 143618904 144514656 145269696 147608318 148528952 148640544 149567616 149809374 153285561 153722272 154241604 155047464 156557544 156675168 157652352 158526093 161027256 162031584 162878144 163428408 167095071 167697024 167968086 169142688 170197632 170790048 172937556 174925344 175534216 176127237 176761728 181155663 181671776 182285532 182804864 183237912 184380768 186316416 187349019 188659152 189502456 190827648 191491872 192686208 194347296 196791012 197475993 198187392 199745832 199895904 201142656 204380748 205655472 206729952 208743392 208900224 211368124 213190263 214703008 215428356 216042112 216771984 217904544 221412477 222793428 222960816 223957448 224351424 224714061 225523584 227720064 230583408 232571196 233233792 234836316 237714048 241359547 241540884 243047376 244317216 245841024 249798692 251545536 251952129 255322496 256185072 259129728 259406334 262388016 263301324 265142592 266327776 266527872 272507664 274207296 274856868 275639936 276571152 284253684 286241472 287237808 289029312 290539392 295216636 297057904 297281088 299618748 306571122 307444544 307941491 308483208 310094928 313115088 313350336 317052186 322054512 324063168 325756288 326856816 334190142 335936172 338285376 341580096 345875112 349850688 351068432 352254474 362311326 363343552 364571064 366475824 368761536 374698038 377318304 379004912 382983744 388694592 393582024 394951986 399491664 399791808 408761496 411310944 413459904 417486784 422736248 426380526 429406016 430856712 433543968 435809088 442824954 445586856 445921632 447914896 448702848 449428122 461166816 465142392 469672632 475578279 482719094 483081768 486094752 488634432 499597384 501285213 503091072 503904258 512370144 518812668 524776032 526602648 530285184 532655552 545015328 548414592 549713736 553142304 562047057 568507368 572482944 574475616 578058624 590433272 592427979 594115808 594562176 599237496 613142244 614889088 615882982 616966416 620189856 626230176 626700672 634104372 639570789 644109024 648126336 653713632 664237431 668380284 671872344 676570752 683160192 686946403 691750224 699701376 702136864 704508948 724078641 724622652 726687104 729142128 732951648 737523072 749396076 754636608 755856387 758009824 765967488 777389184 787164048 789903972 798983328 799583616 811845749 817522992 822621888 826919808 834973568 845472496 852761052 858812032 861713424 867087936 871618176 885649908 891173712 891843264 895829792 898856244 922333632 923824473 930284784 939345264 951156558 965438188 966163536 972189504 977268864 999194768 1002570426 1007808516 1024740288 1037625336 1049552064 1053205296 1065311104 1090030656 1099427472 1106284608 1124094114 1137014736 1148951232 1180866544 1184855958 1188231616 1198474992 1226284488 1231765964 1233932832 1240379712 1252460352 1268208744 1279141578 1288218048 1307427264 1328474862 1336760568 1343744688 1373892806 1383500448 1404273728 1409017896 1426734837 1448157282 1449245304 1458284256 1465903296 1498792152 1509273216 1511712774 1516019648 1574328096 1579807944 1597966656 1623691498 1635045984 1645243776 1686141171 1690944992 1705522104 1723426848 1734175872 1771299816 1782347424 1783686528 1791659584 1797712488 1844667264 1847648946 1860569568 1878690528 1902313116 1930876376 1932327072 1944379008 1992712293 1998389536 2005140852 2015617032 2049480576 2060839209 2075250672 2099104128 2106410592 2172235923 2180061312 2198854944 2212569216 2248188228 2274029472 2297902464 2361733088 2369711916 2376463232 2396949984 2435537247 2452568976 2463531928 2467865664 2480759424 2504920704 2536417488 2558283156 2576436096 2614854528 2656949724 2673521136 2687489376 2747785612 2767000896 2771473419 2808547456 2818035792 2853469674 2896314564 2898490608 2916568512 2931806592 2997584304 3023425548 3032039296 3148656192 3159615888 3195933312 3247382996 3270091968 3372282342 3381889984 3411044208 3446853696 3542599632 3564694848 3583319168 3595424976 3695297892 3721139136 3757381056 3804626232 3861752752 3864654144 3985424586 3996779072 4010281704 4031234064 4121678418 4150501344 4212821184 4344471846 4397709888 4496376456 4548058944 4723466176 4739423832 4793899968 4871074494 4905137952 4927063856 4935731328 5072834976 5116566312 5313899448 5347042272 5374978752 5495571224 5534001792 5542946838 5636071584 5706939348 5792629128 5796981216 5833137024 5995168608 6046851096 6182517627 6297312384 6319231776 6494765992 6516707769 6540183936 6744564684 6763779968 6822088416 6893707392 7085199264 7129389696 7190849952 7306611741 7390595784 7442278272 7514762112 7609252464 7723505504 7729308288 7970849172 7993558144 8020563408 8062468128 8243356836 8301002688 8314420257 8425642368 8688943692 8795419776 8930303239 8992752912 9096117888 9446932352 9478847664 9587799936 9742148988 9810275904 9854127712 10145669952 10233132624 10627798896 10694084544 10749957504 10991142448 11085893676 11272143168 11413878696 11585258256 11593962432 11990337216 12093702192 12365035254 12638463552 12989531984 13033415538 13489129368 13644176832 14170398528 14381699904 14613223482 14781191568 15218504928 15447011008 15941698344 16041126816 16124936256 16486713672 16602005376 16628840514 17377887384 17860606478 17985505824 18547552881 18957695328 19484297976 19620551808 19708255424 20291339904 20466265248 21255597792 21388169088 21919835223 21982284896 22171787352 22544286336 22827757392 23170516512 23187924864 23980674432 24187404384 24730070508 25276927104 25979063968 26066831076 26790909717 26978258736 27288353664 28340797056 28763399808 29226446964 29562383136 30437009856 30894022016 31883396688 32082253632 32249872512 32973427344 33257681028 34755774768 35721212956 35971011648 37095105762 37915390656 38968595952 39416510848 40932530496 42511195584 43839670446 43964569792 44343574704 45655514784 46341033024 48374808768 49460141016 51958127936 52133662152 53581819434 53956517472 58452893928 59124766272 60874019712 63766793376 64164507264 65946854688 66515362056 69511549536 71442425912 71942023296 74190211524 75830781312 77937191904 80372729151 81865060992 85022391168 87679340892 87929139584 88687149408 91311029568 92682066048 96749617536 98920282032 103916255872 104267324304 107163638868 107913034944 116905787856 118249532544 127533586752 131893709376 133030724112 139023099072 142884851824 148380423048 155874383808 160745458302 175358681784 177374298816 182622059136 197840564064 208534648608 214327277736 215826069888 233811575712 241118187453 255067173504 263787418752 266061448224 278046198144 285769703648 296760846096 311748767616 321490916604 350717363568 354748597632 395681128128 417069297216 428654555472 467623151424 482236374906 532122896448 571539407296 593521692192 642981833208 701434727136 791362256256 834138594432 857309110944 935246302848 964472749812 1064245792896 1143078814592 1187043384384 1285963666416 1402869454272 1714618221888 1928945499624 2374086768768 2571927332832 2805738908544 3429236443776 3857890999248 5143854665664 7715781998496 10287709331328 15431563996992 30863127993984
- Sum of all divisors σ(n): 115347368304000
- Sum of proper divisors (its aliquot sum) s(n): 84484240310016
- 30863127993984 is an abundant number, because the sum of its proper divisors (84484240310016) is greater than itself. Its abundance is 53621112316032
Bases of 30863127993984
- Binary: 1110000010001111000011100011111011110100000002
- Hexadecimal: 0x1C11E1C7DE80
- Base-36: AXUBPJMO0
Squares and roots of 30863127993984
- 30863127993984 squared (308631279939842) is 952532669573038843940192256
- 30863127993984 cubed (308631279939843) is 29398137699483966649346776256392571387904
-
The
square root of 30863127993984 is 5555459.2964024135 -
The
cube root of 30863127993984 is 31367.5052949965
Scales and comparisons
How big is 30863127993984?- 30,863,127,993,984 seconds is equal to 981,352 years, 1 day, 13 hours, 26 minutes, 24 seconds.
-
To count from 1 to 30,863,127,993,984 would take you about two million, four hundred fifty-three thousand, three hundred eighty 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 30863127993984 cubic inches would be around 2614 feet tall.
Recreational maths with 30863127993984
- 30863127993984 backwards is 48939972136803
- 30863127993984 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 30863127993984'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 30863127993984 - Facts about the integer". Numbermatics.com. 2024. Web. 14 June 2024.
APA style:
Numbermatics. (2024). Number 30863127993984 - Facts about the integer. Retrieved 14 June 2024, from https://numbermatics.com/n/30863127993984/
Chicago style:
Numbermatics. 2024. "Number 30863127993984 - Facts about the integer". https://numbermatics.com/n/30863127993984/
The information we have on file for 30863127993984 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 30863127993984, math, Factors of 30863127993984, curriculum, school, college, exams, university, Prime factorization of 30863127993984, STEM, science, technology, engineering, physics, economics, calculator, thirty trillion, eight hundred sixty-three billion, one hundred twenty-seven million, nine hundred ninety-three thousand, nine hundred eighty-four.