769946888754720
769,946,888,754,720 is an even composite number composed of six prime numbers multiplied together.
What does the number 769946888754720 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 2160 divisors.
769946888754720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, one hundred sixty divisors.
Prime factorization of 769946888754720:
25 × 38 × 5 × 17 × 294 × 61
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 17 × 29 × 29 × 29 × 29 × 61)See below for interesting mathematical facts about the number 769946888754720 from the Numbermatics database.
Names of 769946888754720
- Cardinal: 769946888754720 can be written as Seven hundred sixty-nine trillion, nine hundred forty-six billion, eight hundred eighty-eight million, seven hundred fifty-four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 7.6994688875472 × 1014
Factors of 769946888754720
Divisors of 769946888754720
- Number of divisors d(n): 2160
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 29 30 32 34 36 40 45 48 51 54 58 60 61 68 72 80 81 85 87 90 96 102 108 116 120 122 135 136 144 145 153 160 162 170 174 180 183 204 216 232 240 243 244 255 261 270 272 288 290 305 306 324 340 348 360 366 405 408 432 435 459 464 480 486 488 493 510 522 540 544 549 580 610 612 648 680 696 720 729 732 765 783 810 816 841 864 870 915 918 928 972 976 986 1020 1037 1044 1080 1098 1160 1215 1220 1224 1296 1305 1360 1377 1392 1440 1458 1464 1479 1530 1566 1620 1632 1647 1682 1740 1769 1830 1836 1944 1952 1972 2040 2074 2088 2160 2187 2196 2295 2320 2349 2430 2440 2448 2465 2523 2592 2610 2720 2745 2754 2784 2916 2928 2958 3060 3111 3132 3240 3294 3364 3480 3538 3645 3660 3672 3888 3915 3944 4080 4131 4148 4176 4205 4320 4374 4392 4437 4590 4640 4698 4860 4880 4896 4930 4941 5046 5185 5220 5307 5490 5508 5832 5856 5916 6120 6222 6264 6480 6561 6588 6728 6885 6960 7047 7076 7290 7320 7344 7395 7569 7776 7830 7888 8160 8235 8262 8296 8352 8410 8748 8784 8845 8874 9180 9333 9396 9720 9760 9860 9882 10092 10370 10440 10614 10935 10980 11016 11664 11745 11832 12240 12393 12444 12528 12615 12960 13122 13176 13311 13456 13770 13920 14094 14152 14297 14580 14640 14688 14790 14823 15138 15555 15660 15776 15921 16470 16524 16592 16820 17496 17568 17690 17748 18360 18666 18792 19440 19720 19764 20184 20655 20740 20880 21141 21228 21870 21960 22032 22185 22707 23328 23490 23664 24389 24480 24705 24786 24888 25056 25230 26244 26352 26535 26622 26912 27540 27999 28188 28304 28594 29160 29280 29580 29646 30073 30276 31110 31320 31842 32805 32940 33048 33184 33640 34992 35235 35380 35496 36720 37179 37332 37584 37845 38880 39440 39528 39933 40368 41310 41480 41760 42282 42456 42891 43740 43920 44064 44370 44469 45414 46665 46980 47328 47763 48778 49410 49572 49776 50460 51301 52488 52704 53070 53244 55080 55998 56376 56608 57188 58320 59160 59292 60146 60552 61965 62220 62640 63423 63684 65610 65880 66096 66555 67280 68121 69984 70470 70760 70992 71485 73167 73440 74115 74358 74664 75168 75690 78880 79056 79605 79866 80736 82620 82960 83997 84564 84912 85782 87480 87840 88740 88938 90219 90828 93330 93960 95526 97556 98820 99144 99552 100920 102602 104976 105705 106140 106488 110160 111537 111996 112752 113535 114376 116640 118320 118584 119799 120292 121104 121945 123930 124440 125280 126846 127368 128673 131220 131760 132192 133110 133407 134560 136242 139995 140940 141520 141984 142970 143289 146334 148230 148716 149328 150365 151380 153903 158112 159210 159732 165240 165920 167994 169128 169824 171564 174960 177480 177876 180438 181656 185895 186660 187920 190269 191052 195112 197640 198288 199665 201840 204363 205204 209952 211410 212280 212976 214455 219501 220320 222345 223074 223992 225504 227070 228752 236640 237168 238815 239598 240584 242208 243890 247860 248880 251991 253692 254736 256505 257346 262440 263520 266220 266814 270657 272484 279990 281880 283040 285940 286578 292668 296460 297432 298656 300730 302760 307806 317115 318420 319464 330480 335988 338256 340605 343128 349920 354960 355752 359397 360876 363312 365835 371790 373320 375840 380538 382104 386019 390224 395280 396576 399330 400221 403680 408726 410408 414613 419985 422820 424560 425952 428910 429867 439002 444690 446148 447984 451095 454140 457504 461709 474336 477630 479196 481168 487780 495720 497760 503982 507384 509472 513010 514692 524880 532440 533628 541314 544968 557685 559980 563760 571880 573156 585336 592920 594864 598995 601460 605520 613089 615612 634230 636840 638928 643365 658503 660960 667035 671976 676512 681210 686256 707281 709920 711504 716445 718794 721752 726624 731670 743580 746640 755973 761076 764208 769515 772038 780448 790560 798660 800442 811971 817452 820816 829226 839970 845640 849120 857820 859734 872117 878004 889380 892296 895968 902190 908280 923418 951345 955260 958392 962336 975560 991440 1007964 1014768 1021815 1026020 1029384 1049760 1064880 1067256 1078191 1082628 1089936 1097505 1115370 1119960 1127520 1143760 1146312 1158057 1170672 1185840 1189728 1197990 1202920 1211040 1226178 1231224 1243839 1259955 1268460 1273680 1277856 1286730 1289601 1317006 1334070 1343952 1353285 1362420 1372512 1385127 1414562 1423008 1432890 1437588 1443504 1463340 1487160 1487729 1493280 1511946 1522152 1528416 1539030 1544076 1597320 1600884 1623942 1634904 1641632 1658452 1679940 1691280 1715640 1719468 1744234 1756008 1778760 1784592 1796985 1804380 1816560 1839267 1846836 1902690 1910520 1916784 1930095 1951120 1975509 1982880 2001105 2015928 2029536 2043630 2052040 2058768 2073065 2121843 2129760 2134512 2149335 2156382 2165256 2179872 2195010 2230740 2239920 2267919 2287520 2292624 2308545 2316114 2341344 2371680 2395980 2405840 2435913 2452356 2462448 2487678 2519910 2536920 2547360 2573460 2579202 2616351 2634012 2668140 2687904 2706570 2724840 2770254 2829124 2865780 2875176 2887008 2926680 2974320 2975458 3023892 3044304 3065445 3078060 3088152 3194640 3201768 3234573 3247884 3269808 3292515 3316904 3359880 3382560 3431280 3438936 3474171 3488468 3512016 3536405 3557520 3569184 3593970 3608760 3633120 3678534 3693672 3731517 3779865 3805380 3821040 3833568 3860190 3868803 3902240 3951018 4002210 4031856 4059855 4087260 4104080 4117536 4146130 4155381 4243686 4269024 4298670 4312764 4330512 4360585 4390020 4461480 4463187 4479840 4535838 4585248 4617090 4632228 4791960 4811680 4871826 4904712 4924896 4975356 5039820 5073840 5146920 5158404 5232702 5268024 5336280 5390955 5413140 5449680 5517801 5540508 5658248 5731560 5750352 5790285 5853360 5926527 5948640 5950916 6047784 6088608 6130890 6156120 6176304 6219195 6365529 6389280 6403536 6448005 6469146 6495768 6539616 6585030 6633808 6719760 6803757 6862560 6877872 6925635 6948342 6976936 7024032 7072810 7115040 7187940 7217520 7307739 7357068 7387344 7438645 7463034 7559730 7610760 7642080 7720380 7737606 7849053 7902036 8004420 8063712 8119710 8174520 8208160 8292260 8310762 8487372 8597340 8625528 8661024 8721170 8780040 8922960 8926374 9071676 9196335 9234180 9264456 9583920 9743652 9809424 9877545 9950712 10079640 10147680 10293840 10316808 10422513 10465404 10536048 10609215 10672560 10781910 10826280 10899360 11035602 11081016 11194551 11316496 11339595 11463120 11500704 11580570 11606409 11706720 11853054 11901832 12023777 12095568 12179565 12261780 12312240 12352608 12438390 12466143 12731058 12807072 12896010 12938292 12991536 13081755 13170060 13267616 13389561 13439520 13607514 13755744 13851270 13896684 13953872 14145620 14375880 14435040 14615478 14714136 14774688 14877290 14926068 15119460 15221520 15440760 15475212 15698106 15804072 16008840 16172865 16239420 16349040 16584520 16621524 16974744 17194680 17251056 17370855 17442340 17560080 17779581 17845920 17852748 18143352 18392670 18468360 18528912 18657585 19096587 19167840 19344015 19487304 19618848 19755090 19901424 20159280 20587680 20633616 20776905 20845026 20930808 21072096 21218430 21345120 21563820 21652560 21923217 22071204 22162032 22315935 22389102 22632992 22679190 22926240 23161140 23212818 23547159 23706108 23803664 24047554 24191136 24359130 24523560 24624480 24876780 24932286 25291393 25462116 25792020 25876584 25983072 26163510 26340120 26779122 27215028 27589005 27702540 27793368 27907744 28291240 28751760 29230956 29428272 29632635 29754580 29852136 30238920 30443040 30881520 30950424 31267539 31396212 31608144 31827645 32017680 32345730 32478840 32698080 33169040 33243048 33583653 33949488 34018785 34389360 34502112 34741710 34884680 35120160 35559162 35705496 36071331 36286704 36538695 36785340 36936720 37057824 37315170 37398429 38193174 38688030 38974608 39245265 39510180 39802848 40168683 40318560 41267232 41553810 41690052 41861616 42436860 43127640 43144141 43305120 43846434 44142408 44324064 44631870 44778204 45358380 46322280 46425636 47094318 47412216 47607328 48095108 48718260 49047120 49753560 49864572 50582786 50924232 51584040 51753168 52112565 52327020 52680240 53338743 53558244 54430056 55178010 55405080 55586736 55972755 56582480 57289761 57503520 58032045 58461912 58856544 59265270 59509160 59704272 60118885 60477840 61763040 61900848 62330715 62535078 62792424 63216288 63655290 64035360 64691460 64957680 65769651 66338080 66486096 66947805 67167306 67898976 68037570 68778720 69483420 69769360 70641477 71118324 71410992 72142662 72573408 73077390 73570680 73873440 74630340 74796858 75874179 76386348 77376060 77949216 78490530 79020360 80337366 83107620 83380104 83723232 84873720 86255280 86288282 87692868 88284816 88897905 89263740 89556408 90716760 92644560 92851272 93802617 94188636 94824432 95482935 96190216 97436520 98094240 99507120 99729144 100750959 101165572 101848464 103168080 103506336 104225130 104654040 105360480 106677486 107116488 108213993 108860112 109616085 110356020 110810160 111173472 111945510 112195287 113164960 114579522 116064090 116923824 117735795 118530540 119018320 119408544 120237770 120506049 120955680 123801696 124661430 125070156 125584848 126456965 127310580 129382920 129432423 129915360 131539302 132972192 133895610 134334612 136075140 138966840 139538720 141282954 142236648 142821984 144285324 146154780 147141360 149260680 149593716 151748358 152772696 154752120 156337695 156981060 158040720 160016229 160674732 166215240 166760208 167918265 169747440 171869283 172510560 172576564 175385736 176569632 177795810 178527480 179112816 180356655 181433520 185289120 185702544 186992145 187605234 188377272 189648864 190965870 192380432 194873040 197308953 199014240 199458288 200843415 201501918 202331144 203696928 206336160 208450260 209308080 211924431 213354972 214232976 215720705 216427986 217720224 219232170 220712040 221620320 223891020 224390574 227622537 229159044 232128180 233847648 235471590 237061080 238036640 240475540 241012098 249322860 250140312 251169696 252913930 254621160 258765840 258864846 263078604 266693715 267791220 268669224 272150280 277933680 282565908 284473296 286448805 288570648 292309560 294282720 298521360 299187432 302252877 303496716 305545392 309504240 312675390 313962120 316081440 320032458 321349464 324641979 328848255 332430480 333520416 335836530 336585861 339494880 343738566 345153128 350771472 353207385 355591620 357054960 358225632 360713310 361518147 362867040 371405088 373984290 375210468 376754544 379370895 381931740 384760864 388297269 389746080 394617906 398916576 401686830 403003836 404662288 416900520 418616160 423848862 426709944 428465952 431441410 432855972 438464340 441424080 447782040 448781148 455245074 458318088 464256360 469013085 470943180 474122160 480951080 482024196 498645720 500280624 503754795 505827860 509242320 515607849 517531680 517729692 526157208 533387430 535582440 537338448 541069965 544300560 555867360 560976435 565131816 568946592 572897610 577141296 584619120 597042720 598374864 602530245 604505754 606993432 611090784 619008480 625350780 627924240 635773293 640064916 642698928 647162115 649283958 657696510 664860960 671673060 673171722 682867611 687477132 690306256 701542944 706414770 711183240 714109920 721426620 723036294 733450397 747968580 750420936 753509088 758741790 763863480 776594538 789235812 800081145 803373660 806007672 809324576 833801040 847697724 853419888 859346415 862882820 865711944 876928680 882848160 895564080 897562296 906758631 910490148 916636176 928512720 938026170 941886360 948244320 961902160 964048392 973925937 986544765 997291440 1000561248 1007509590 1011655720 1018484640 1031215698 1035459384 1052314416 1059622155 1066774860 1071164880 1074676896 1082139930 1084554441 1088601120 1121952870 1130263632 1138112685 1145795220 1154282592 1164891807 1169238240 1196749728 1205060490 1209011508 1213986864 1250701560 1255848480 1271546586 1280129832 1285397856 1294324230 1298567916 1315393020 1343346120 1346343444 1365735222 1374954264 1380612512 1412829540 1422366480 1442853240 1446072588 1466900794 1495937160 1500841872 1511264385 1517483580 1527726960 1546823547 1553189076 1578471624 1600162290 1606747320 1612015344 1623209895 1667602080 1682929305 1695395448 1706839776 1718692830 1725765640 1731423888 1753857360 1791128160 1795124592 1807590735 1813517262 1820980296 1833272352 1857025440 1876052340 1883772720 1907319879 1923804320 1928096784 1941486345 1947851874 1973089530 1994582880 2015019180 2023311440 2048602833 2062431396 2070918768 2104628832 2119244310 2133549720 2142329760 2164279860 2169108882 2200351191 2243905740 2260527264 2276225370 2291590440 2329783614 2410120980 2418023016 2427973728 2501403120 2543093172 2560259664 2578039245 2588648460 2597135832 2630786040 2686692240 2692686888 2720275893 2731470444 2749908528 2825659080 2844732960 2885706480 2892145176 2921777811 2933801588 2991874320 3001683744 3022528770 3034967160 3055453920 3093647094 3106378152 3156943248 3178866465 3200324580 3213494640 3224030688 3246419790 3253663323 3365858610 3390790896 3414338055 3437385660 3451531280 3462847776 3494675421 3507714720 3590249184 3615181470 3627034524 3641960592 3667251985 3752104680 3767545440 3814639758 3856193568 3882972690 3895703748 3946179060 4030038360 4046622880 4097205666 4124862792 4141837536 4238488620 4267099440 4328559720 4338217764 4400702382 4487811480 4533793155 4552450740 4583180880 4640470641 4659567228 4820241960 4836046032 4869629685 5002806240 5086186344 5120519328 5156078490 5177296920 5194271664 5261572080 5373384480 5385373776 5422772205 5440551786 5462940888 5499817056 5651318160 5721959637 5771412960 5784290352 5824459035 5843555622 5867603176 5983748640 6045057540 6069934320 6145808499 6187294188 6212756304 6313886496 6357732930 6400649160 6426989280 6492839580 6507326646 6601053573 6731717220 6781581792 6828676110 6874771320 6903062560 6989350842 7230362940 7254069048 7283921184 7334503970 7504209360 7629279516 7734117735 7765945380 7791407496 7892358120 8060076720 8194411332 8249725584 8476977240 8534198880 8657119440 8676435528 8765333433 8801404764 8975622960 9067586310 9104901480 9166361760 9280941282 9319134456 9536599395 9640483920 9672092064 9739259370 9760989969 10172372688 10243014165 10312156980 10354593840 10388543328 10484026263 10523144160 10770747552 10845544410 10881103572 10925881776 11001755955 11302636320 11443919274 11568580704 11648918070 11687111244 11735206352 12090115080 12139868640 12291616998 12374588376 12425512608 12715465860 12801298320 12985679160 13014653292 13202107146 13463434440 13601379465 13657352220 13749542640 13978701684 14460725880 14508138096 14608889055 14669007940 15008418720 15258559032 15468235470 15531890760 15582814992 15784716240 16120153440 16268316615 16388822664 16499451168 16953954480 17314238880 17352871056 17473377105 17530666866 17602809528 17951245920 18135172620 18209802960 18437425497 18561882564 18638268912 19073198790 19280967840 19478518740 19521979938 19803160719 20344745376 20486028330 20624313960 20709187680 20968052526 21691088820 21762207144 21851763552 22003511910 22887838548 23202353205 23297836140 23374222488 23470412704 24180230160 24583233996 24749176752 25430931720 25602596640 25971358320 26029306584 26296000299 26404214292 26926868880 27202758930 27314704440 27499085280 27957403368 28609798185 28921451760 29016276192 29217778110 29338015880 30517118064 30729042495 30936470940 31063781520 31165629984 31452078789 31569432480 32536633230 32777645328 33005267865 33907908960 34705742112 34946754210 35061333732 35205619056 36270345240 36419605920 36874850994 37123765128 37276537824 38146397580 38957037480 39043959876 39606321438 40972056660 41248627920 41936105052 43382177640 43524414288 43826667165 44007023820 45775677096 46404706410 46595672280 46748444976 48360460320 48804949845 49166467992 49498353504 50861863440 51942716640 52058613168 52420131315 52592000598 52808428584 53853737760 54405517860 54629408880 55312276491 55914806736 57219596370 57842903520 58435556220 58676031760 59409482157 61034236128 61458084990 61872941880 62127563040 62904157578 65073266460 65555290656 66010535730 69893508420 70122667464 70411238112 72540690480 73749701988 74247530256 76292795160 77914074960 78087919752 78888000897 79212642876 81944113320 82497255840 83872210104 86764355280 87048828576 87653334330 88014047640 91551354192 92187127485 92809412820 93191344560 93496889952 94356236367 97609899690 98332935984 99015803595 101723726880 104117226336 104840262630 105184001196 105616857168 108811035720 109258817760 110624552982 111829613472 114439192740 116871112440 117352063520 118818964314 122916169980 123745883760 125808315156 130146532920 131480001495 132021071460 139787016840 140245334928 145081380960 147499403976 148495060512 152585590320 155828149920 156175839504 157260393945 157776001794 158425285752 163888226640 165936829473 167744420208 173528710560 175306668660 176028095280 178228446471 183102708384 184374254970 185618825640 186382689120 188712472734 195219799380 196665871968 198031607190 209680525260 210368002392 211233714336 217622071440 221249105964 228878385480 233742224880 237637928628 245832339960 247491767520 251616630312 260293065840 262960002990 264042142920 276561382455 279574033680 280490669856 283068709101 294998807952 297047410785 305171180640 312351679008 314520787890 315552003588 316850571504 327776453280 331873658946 335488840416 350613337320 352056190560 356456892942 368748509940 371237651280 377424945468 390439598760 394440004485 396063214380 419361050520 420736004784 435244142880 442498211928 457756770960 467484449760 471781181835 475275857256 491664679920 503233260624 520586131680 525920005980 528084285840 534685339413 553122764910 559148067360 566137418202 589997615904 594094821570 629041575780 631104007176 633701143008 663747317892 701226674640 712913785884 737497019880 742475302560 754849890936 780879197520 788880008970 792126428760 829684147365 838722101040 841472009568 884996423856 891142232355 915513541920 943562363670 950551714512 983329359840 1006466521248 1051840011960 1056168571680 1069370678826 1106245529820 1132274836404 1188189643140 1258083151560 1262208014352 1327494635784 1402453349280 1415343545505 1425827571768 1474994039760 1509699781872 1561758395040 1577760017940 1584252857520 1604056018239 1659368294730 1677444202080 1769992847712 1782284464710 1887124727340 1901103429024 2103680023920 2138741357652 2212491059640 2264549672808 2376379286280 2516166303120 2524416028704 2654989271568 2673426697065 2830687091010 2851655143536 2949988079520 3019399563744 3155520035880 3168505715040 3208112036478 3318736589460 3564568929420 3774249454680 4207360047840 4277482715304 4424982119280 4529099345616 4752758572560 4812168054717 5032332606240 5309978543136 5346853394130 5661374182020 5703310287072 6311040071760 6416224072956 6637473178920 7129137858840 7548498909360 8020280091195 8554965430608 8849964238560 9058198691232 9505517145120 9624336109434 10693706788260 11322748364040 12622080143520 12832448145912 13274946357840 14258275717680 15096997818720 16040560182390 17109930861216 19248672218868 21387413576520 22645496728080 24060840273585 25664896291824 26549892715680 28516551435360 32081120364780 38497344437736 42774827153040 45290993456160 48121680547170 51329792583648 64162240729560 76994688875472 85549654306080 96243361094340 128324481459120 153989377750944 192486722188680 256648962918240 384973444377360 769946888754720
- Sum of all divisors σ(n): 3041075225712888
- Sum of proper divisors (its aliquot sum) s(n): 2271128336958168
- 769946888754720 is an abundant number, because the sum of its proper divisors (2271128336958168) is greater than itself. Its abundance is 1501181448203448
Bases of 769946888754720
- Binary: 101011110001000011001110101100110011010110001000002
- Hexadecimal: 0x2BC433ACCD620
- Base-36: 7KX8PU4I00
Squares and roots of 769946888754720
- 769946888754720 squared (7699468887547202) is 592818211503073175192322278400
- 769946888754720 cubed (7699468887547203) is 456438537543928754261206726528299089154048000
-
The
square root of 769946888754720 is 27747916.8363089917 -
The
cube root of 769946888754720 is 91654.4571380169
Scales and comparisons
How big is 769946888754720?- 769,946,888,754,720 seconds is equal to 24,481,929 years, 23 weeks, 6 days, 13 hours, 12 minutes.
-
To count from 1 to 769,946,888,754,720 would take you about sixty-one million, two hundred four thousand, eight hundred twenty-three 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 769946888754720 cubic inches would be around 7637.9 feet tall.
Recreational maths with 769946888754720
- 769946888754720 backwards is 027457888649967
- 769946888754720 is a
Harshad number . - The number of decimal digits it has is: 15
- The sum of 769946888754720's digits is 90
- 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 769946888754720 - Facts about the integer". Numbermatics.com. 2024. Web. 7 June 2024.
APA style:
Numbermatics. (2024). Number 769946888754720 - Facts about the integer. Retrieved 7 June 2024, from https://numbermatics.com/n/769946888754720/
Chicago style:
Numbermatics. 2024. "Number 769946888754720 - Facts about the integer". https://numbermatics.com/n/769946888754720/
The information we have on file for 769946888754720 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 769946888754720, math, Factors of 769946888754720, curriculum, school, college, exams, university, Prime factorization of 769946888754720, STEM, science, technology, engineering, physics, economics, calculator, seven hundred sixty-nine trillion, nine hundred forty-six billion, eight hundred eighty-eight million, seven hundred fifty-four thousand, seven hundred twenty.