3059578964782080
3,059,578,964,782,080 is an even composite number composed of eight prime numbers multiplied together.
3059578964782080 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two thousand, one hundred twelve divisors.
Prime factorization of 3059578964782080:
210 × 32 × 5 × 13 × 29 × 127 × 293 × 4733
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 29 × 127 × 293 × 4733)See below for interesting mathematical facts about the number 3059578964782080 from the Numbermatics database.
Names of 3059578964782080
- Cardinal: 3059578964782080 can be written as Three quadrillion, fifty-nine trillion, five hundred seventy-eight billion, nine hundred sixty-four million, seven hundred eighty-two thousand and eighty.
Scientific notation
- Scientific notation: 3.05957896478208 × 1015
Factors of 3059578964782080
Divisors of 3059578964782080
- Number of divisors d(n): 2112
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 29 30 32 36 39 40 45 48 52 58 60 64 65 72 78 80 87 90 96 104 116 117 120 127 128 130 144 145 156 160 174 180 192 195 208 232 234 240 254 256 260 261 288 290 293 312 320 348 360 377 381 384 390 416 435 464 468 480 508 512 520 522 576 580 585 586 624 635 640 696 720 754 762 768 780 832 870 879 928 936 960 1016 1024 1040 1044 1131 1143 1152 1160 1170 1172 1248 1270 1280 1305 1392 1440 1465 1508 1524 1536 1560 1651 1664 1740 1758 1856 1872 1885 1905 1920 2032 2080 2088 2262 2286 2304 2320 2340 2344 2496 2540 2560 2610 2637 2784 2880 2930 3016 3048 3072 3120 3302 3328 3393 3480 3516 3683 3712 3744 3770 3809 3810 3840 4064 4160 4176 4395 4524 4572 4608 4640 4680 4688 4733 4953 4992 5080 5120 5220 5274 5568 5655 5715 5760 5860 6032 6096 6240 6604 6656 6786 6960 7032 7366 7424 7488 7540 7618 7620 7680 8128 8255 8320 8352 8497 8790 9048 9144 9216 9280 9360 9376 9466 9906 9984 10160 10440 10548 11049 11136 11310 11427 11430 11520 11720 12064 12192 12480 13185 13208 13312 13572 13920 14064 14199 14732 14848 14859 14976 15080 15236 15240 15360 16256 16510 16640 16704 16965 16994 17580 18096 18288 18415 18560 18720 18752 18932 19045 19812 19968 20320 20880 21096 22098 22272 22620 22854 22860 23040 23440 23665 24128 24384 24765 24960 25491 26370 26416 27144 27840 28128 28398 29464 29696 29718 29952 30160 30472 30480 32512 33020 33147 33280 33408 33930 33988 34281 35160 36192 36576 36830 37120 37211 37440 37504 37864 38090 39624 39936 40640 41760 42192 42485 42597 44196 44544 45240 45708 45720 46080 46880 47330 47879 48256 48768 49530 49920 50982 52740 52832 54288 55245 55680 56256 56796 57135 58928 59436 59904 60320 60944 60960 61529 65024 66040 66294 66560 66816 67860 67976 68562 70320 70995 72384 73152 73660 74240 74295 74422 74880 75008 75728 76180 76473 79248 81280 83520 84384 84970 85194 88392 89088 90480 91416 91440 93760 94660 95758 96512 97536 99060 99840 101964 105480 105664 108576 110461 110490 111360 111633 112512 113592 114270 117856 118872 119808 120640 121888 121920 123058 127455 130048 132080 132588 133632 135720 135952 137124 137257 140640 141990 143637 144768 146304 147320 148480 148590 148844 149760 150016 151456 152360 152946 158496 162560 165735 167040 168768 169940 170388 171405 176784 180960 182832 182880 184587 186055 187520 189320 191516 193024 195072 198120 199680 203928 210960 211328 212985 217152 220922 220980 222720 223266 225024 227184 228540 235712 237744 239395 241280 243776 243840 246116 254910 264160 265176 267264 271440 271904 274248 274514 281280 283980 287274 289536 292608 294640 297180 297688 299520 300032 302912 304720 305892 307645 316992 325120 331383 331470 334080 334899 337536 339880 340776 342810 353568 361920 365664 365760 369174 372110 375040 378640 382365 383032 386048 390144 396240 407856 411771 421920 422656 425970 430911 434304 441844 441960 445440 446532 450048 454368 457080 471424 475488 478790 482560 483743 487552 487680 492232 509820 528320 530352 542880 543808 548496 549028 552305 553761 558165 562560 567960 574548 579072 585216 589280 594360 595376 599040 601091 605824 609440 611784 615290 633984 650240 662766 662940 668160 669798 675072 679760 681552 685620 686285 707136 718185 723840 731328 731520 738348 744220 750080 757280 764730 766064 792480 815712 823542 843840 845312 851940 861822 868608 883688 883920 893064 900096 908736 914160 922935 942848 950976 957580 965120 967486 975104 975360 984464 994149 1019640 1056640 1060704 1079119 1085760 1087616 1096992 1098056 1104610 1107522 1116330 1125120 1135920 1149096 1158144 1170432 1178560 1188720 1190752 1202182 1211648 1218880 1223568 1230580 1235313 1267968 1325532 1325880 1336320 1339596 1350144 1359520 1363104 1371240 1372570 1386769 1414272 1436370 1447680 1451229 1462656 1463040 1476696 1488440 1500160 1514560 1529460 1532128 1584960 1631424 1647084 1656915 1674495 1687680 1690624 1703880 1723644 1737216 1767376 1767840 1784341 1786128 1803273 1817472 1828320 1845870 1885696 1901952 1915160 1930240 1934972 1950208 1950720 1968928 1988298 2039280 2058855 2113280 2121408 2154555 2158238 2171520 2175232 2193984 2196112 2209220 2215044 2232660 2250240 2271840 2298192 2357120 2377440 2381504 2404364 2418715 2423296 2437760 2447136 2461160 2470626 2535936 2651064 2651760 2679192 2700288 2719040 2726208 2742480 2745140 2768805 2773538 2828544 2872740 2895360 2902458 2925312 2926080 2953392 2976880 3005455 3029120 3058920 3064256 3169920 3237357 3262848 3294168 3313830 3348990 3375360 3407760 3447288 3474432 3534752 3535680 3568682 3572256 3606546 3634944 3656640 3691740 3771392 3803904 3830320 3869944 3900416 3937856 3976596 4078560 4117710 4160307 4226560 4242816 4309110 4316476 4343040 4350464 4353687 4387968 4392224 4418440 4430088 4465320 4500480 4543680 4596384 4714240 4754880 4763008 4808728 4837430 4846592 4875520 4894272 4922320 4941252 4970745 5071872 5302128 5303520 5353023 5358384 5395595 5409819 5438080 5452416 5484960 5490280 5537610 5547076 5657088 5745480 5790720 5804916 5850624 5852160 5906784 5953760 6010910 6058240 6117840 6128512 6176565 6339840 6474714 6525696 6588336 6627660 6697980 6750720 6815520 6894576 6933845 7069504 7071360 7137364 7144512 7213092 7256145 7269888 7313280 7383480 7607808 7660640 7739888 7814183 7875712 7953192 8157120 8235420 8320614 8453120 8485632 8618220 8632952 8686080 8700928 8707374 8775936 8784448 8836880 8860176 8921705 8930640 9016365 9087360 9192768 9428480 9509760 9526016 9617456 9674860 9712071 9751040 9788544 9844640 9882504 9941490 10604256 10607040 10706046 10716768 10791190 10819638 10876160 10904832 10969920 10980560 11075220 11094152 11314176 11490960 11609832 11701248 11813568 11907520 12021820 12116480 12235680 12257024 12353130 12480921 12679680 12949428 13051392 13176672 13255320 13395960 13501440 13631040 13789152 13867690 14028547 14139008 14142720 14274728 14289024 14426184 14512290 14539776 14626560 14766960 15215616 15321280 15479776 15628366 15751424 15906384 16059069 16186785 16314240 16470840 16641228 16971264 17236440 17265904 17372160 17414748 17431639 17551872 17568896 17673760 17720352 17843410 17861280 18027997 18032730 18174720 18385536 18856960 19019520 19052032 19234912 19349720 19424142 19502080 19577088 19689280 19765008 19882980 20801535 21208512 21214080 21412092 21433536 21582380 21639276 21752320 21768435 21809664 21939840 21961120 22150440 22188304 22981920 23219664 23442549 23627136 23815040 24043640 24232960 24471360 24514048 24706260 24961842 25359360 25898856 26102784 26353344 26510640 26765115 26791920 27049095 27262080 27578304 27735380 28057094 28278016 28285440 28549456 28578048 28852368 29024580 29253120 29533920 30642560 30959552 31256732 31502848 31812768 32118138 32373570 32628480 32941680 33282456 33942528 34472880 34531808 34829496 34863278 35103744 35137792 35347520 35440704 35686820 35722560 36055994 36065460 36349440 36771072 38039040 38104064 38469824 38699440 38848284 39070915 39154176 39378560 39530016 39765960 40216301 41603070 42085641 42417024 42428160 42824184 42867072 43164760 43278552 43504640 43536870 43619328 43879680 43922240 44300880 44376608 45963840 46439328 46885098 47254272 47630080 48087280 48560355 48942720 49028096 49412520 49923684 51797712 52294917 52706688 53021280 53530230 53583840 54083991 54098190 54524160 55156608 55470760 56114188 56556032 56570880 57098912 57156096 57704736 58049160 58506240 59067840 61285120 61919104 62404605 62513464 63005696 63625536 64236276 64747140 65256960 65883360 66564912 68945760 69063616 69658992 69726556 70142735 70275584 70327647 70695040 70881408 71373640 71445120 72111988 72130920 72698880 73542144 76078080 76939648 77398880 77696568 78141830 78308352 78757120 79060032 79531920 80295345 80432602 83206140 84171282 84834048 84856320 85648368 85734144 86329520 86557104 87073740 87158195 87759360 87844480 88601760 88753216 90139985 91927680 92878656 93770196 94508544 95260160 96174560 97120710 97885440 98825040 99847368 103595424 104589834 105413376 106042560 107060460 107167680 108167982 108196380 109048320 110313216 110941520 112228376 113112064 114197824 114312192 115409472 116098320 117212745 118135680 120648903 122570240 123838208 124809210 125026928 126256923 127251072 128472552 129494280 130513920 131766720 133129824 137891520 138127232 139317984 139453112 140285470 140551168 140655294 141390080 141762816 142747280 142890240 144223976 144261840 147084288 153879296 154797760 155393136 156283660 156884751 157514240 158120064 159063840 160590690 160865204 162251973 166412280 168342564 169668096 169712640 171296736 171468288 172659040 173114208 174147480 174316390 175518720 175688960 176119663 177203520 177506432 180279970 183855360 185757312 187540392 189017088 190520320 192349120 194241420 195770880 197650080 199694736 201081505 207190848 209179668 210428205 210826752 212085120 214120920 214335360 216335964 216392760 218096640 220626432 221883040 224456752 226611307 228395648 230818944 232196640 234425490 236271360 241297806 245140480 247676416 249618420 250053856 252513846 254502144 256945104 258988560 261474585 263533440 266259648 270419955 275783040 276254464 278635968 278906224 280570940 281310588 282780160 283525632 285494560 285780480 288447952 288523680 307758592 309595520 310786272 312567320 313769502 315028480 316240128 318127680 321181380 321730408 324503946 332824560 336685128 339336192 342593472 342936576 345318080 346228416 348294960 348632780 351377920 351638235 352239326 354407040 355012864 360559940 361946709 367710720 371514624 375080784 384698240 388482840 391541760 395300160 399389472 402163010 414381696 418359336 420856410 421653504 424170240 428241840 428670720 432671928 432785520 441252864 443766080 448913504 453222614 456791296 461637888 464393280 468850980 472542720 482595612 495352832 499236840 500107712 505027692 509004288 513890208 517977120 522811913 522949170 527066880 528358989 532519296 540839910 551566080 552508928 557271936 557812448 561141880 562621176 565560320 567051264 570989120 571560960 576895904 577047360 603244515 615517184 619191040 621572544 625134640 627539004 631284615 632480256 636255360 642362760 643460816 649007892 665649120 673370256 679833921 685186944 690636160 692456832 696589920 697265560 702755840 703276470 704478652 708814080 710025728 721119880 723893418 735421440 743029248 750161568 769396480 776965680 784423755 790600320 798778944 804326020 811259865 828763392 836718672 841712820 848340480 856483680 857341440 865343856 865571040 880598315 887532160 897827008 906445228 913582592 923275776 928786560 937701960 945085440 965191224 998473680 1000215424 1010055384 1018008576 1027780416 1035954240 1045623826 1045898340 1054133760 1056717978 1065038592 1081679820 1103132160 1105017856 1114543872 1115624896 1122283760 1125242352 1133056535 1141978240 1153791808 1154094720 1206489030 1238382080 1243145088 1250269280 1255078008 1262569230 1264960512 1272510720 1284725520 1286921632 1298015784 1331298240 1346740512 1359667842 1370373888 1381272320 1384913664 1393179840 1394531120 1406552940 1408957304 1417628160 1420051456 1442239760 1447786836 1486058496 1500323136 1538792960 1553931360 1568435739 1568847510 1581200640 1585076967 1597557888 1608652040 1622519730 1657526784 1673437344 1683425640 1696680960 1712967360 1714682880 1730687712 1731142080 1761196630 1775064320 1795654016 1809733545 1812890456 1827165184 1846551552 1857573120 1875403920 1930382448 1996947360 2000430848 2020110768 2039501763 2055560832 2071908480 2091247652 2091796680 2108267520 2113435956 2130077184 2163359640 2206264320 2229087744 2231249792 2244567520 2250484704 2266113070 2283956480 2289555619 2307583616 2308189440 2412978060 2476764160 2486290176 2500538560 2510156016 2525138460 2545021440 2569451040 2573843264 2596031568 2614059565 2641794945 2662596480 2693481024 2719335684 2740747776 2762544640 2769827328 2786359680 2789062240 2813105880 2817914608 2835256320 2884479520 2895573672 3000646272 3077585920 3107862720 3136871478 3137695020 3162401280 3170153934 3195115776 3217304080 3245039460 3315053568 3346874688 3366851280 3399169605 3425934720 3461375424 3462284160 3522393260 3550128640 3591308032 3619467090 3625780912 3715146240 3750807840 3860764896 3993894720 4000861696 4040221536 4079003526 4111121664 4143816960 4182495304 4183593360 4226871912 4260154368 4326719280 4458175488 4462499584 4489135040 4500969408 4532226140 4567912960 4579111238 4615167232 4616378880 4705307217 4825956120 4972580352 5001077120 5020312032 5050276920 5090042880 5107470227 5138902080 5147686528 5192063136 5228119130 5283589890 5325192960 5386962048 5438671368 5481495552 5525089280 5539654656 5572719360 5578124480 5626211760 5635829216 5768959040 5791147344 6001292544 6215725440 6273742956 6275390040 6324802560 6340307868 6390231552 6434608160 6490078920 6693749376 6733702560 6798339210 6851869440 6868666857 6922750848 6924568320 7044786520 7100257280 7182616064 7238934180 7251561824 7430292480 7501615680 7721529792 7842178695 7925384835 7987789440 8001723392 8080443072 8158007052 8222243328 8287633920 8364990608 8367186720 8453743824 8653438560 8924999168 8978270080 9001938816 9064452280 9135825920 9158222476 9230334464 9232757760 9410614434 9651912240 9945160704 10002154240 10040624064 10100553840 10197508815 10214940454 10277804160 10295373056 10384126272 10456238260 10567179780 10650385920 10773924096 10877342736 11145438720 11156248960 11252423520 11271658432 11447778095 11537918080 11582294688 12002585088 12431450880 12547485912 12550780080 12680615736 12780463104 12869216320 12980157840 13387498752 13467405120 13596678420 13703738880 13737333714 13845501696 13849136640 14089573040 14365232128 14477868360 14503123648 15003231360 15322410681 15443059584 15684357390 15850769670 15975578880 16160886144 16316014104 16444486656 16575267840 16729981216 16734373440 16907487648 17306877120 17849998336 17956540160 18003877632 18128904560 18316444952 18460668928 18821228868 19303824480 20004308480 20081248128 20201107680 20395017630 20429880908 20555608320 20590746112 20606000571 20768252544 20912476520 21134359560 21300771840 21547848192 21754685472 22290877440 22312497920 22504847040 22543316864 22895556190 23075836160 23164589376 23526536085 24005170176 24862901760 25094971824 25101560160 25361231472 25537351135 25738432640 25960315680 26774997504 26934810240 27193356840 27407477760 27474667428 27691003392 27698273280 28179146080 28955736720 29006247296 30006462720 30644821362 30886119168 31368714780 31701539340 31951157760 32321772288 32632028208 33459962432 33468746880 33814975296 34343334285 34613754240 35913080320 36007755264 36257809120 36632889904 37642457736 38607648960 40008616960 40162496256 40402215360 40790035260 40859761816 41111216640 41181492224 41212001142 41536505088 41824953040 42268719120 43095696384 43509370944 44624995840 45009694080 45086633728 45791112380 45967232043 46151672320 46329178752 47053072170 49725803520 50189943648 50203120320 50722462944 51074702270 51476865280 51920631360 53549995008 53869620480 54386713680 54949334856 55382006784 56358292160 57911473440 58012494592 60012925440 61289642724 61772238336 62737429560 63403078680 63902315520 64643544576 65264056416 66397112951 66919924864 66937493760 67629950592 68686668570 69227508480 71826160640 72015510528 72515618240 73265779808 75284915472 76612053405 77215297920 80324992512 80804430720 81580070520 81719523632 82222433280 82424002284 83073010176 83649906080 84537438240 87018741888 89249991680 90019388160 90173267456 91582224760 91934464086 92303344640 92658357504 94106144340 100379887296 100406240640 101444925888 102149404540 102953730560 103030002855 103841262720 107739240960 108773427360 109898669712 112716584320 115822946880 116024989184 120025850880 122579285448 123544476672 125474859120 126806157360 129287089152 130528112832 132794225902 133839849728 133874987520 135259901184 137373337140 138455016960 145031236480 146531559616 150569830944 153224106810 154430595840 160649985024 161608861440 163160141040 163439047264 164848004568 166146020352 167299812160 169074876480 174037483776 180038776320 180346534912 183164449520 183868928172 185316715008 188212288680 199191338853 200759774592 200812481280 202889851776 204298809080 205907461120 206060005710 207682525440 215478481920 217546854720 219797339424 225433168640 229836160215 231645893760 232049978368 245158570896 250949718240 253612314720 261056225664 265588451804 267679699456 267749975040 270519802368 274746674280 276910033920 290062472960 293063119232 301139661888 306448213620 308861191680 323217722880 326320282080 326878094528 329696009136 331985564755 334599624320 338149752960 348074967552 360077552640 366328899040 367737856344 370633430016 376424577360 398382677706 401519549184 401624962560 405779703552 408597618160 412120011420 415365050880 435093709440 439594678848 450866337280 459672320430 463291787520 490317141792 501899436480 507224629440 522112451328 531176903608 535359398912 541039604736 549493348560 580124945920 586126238464 597574016559 602279323776 612896427240 617722383360 646435445760 652640564160 653756189056 659392018272 663971129510 669199248640 676299505920 696149935104 732657798080 735475712688 752849154720 796765355412 803039098368 803249925120 811559407104 817195236320 824240022840 830730101760 870187418880 879189357696 901732674560 919344640860 926583575040 980634283584 995956694265 1003798872960 1014449258880 1044224902656 1062353807216 1098986697120 1160249891840 1172252476928 1195148033118 1204558647552 1225792854480 1305281128320 1307512378112 1318784036544 1327942259020 1338398497280 1352599011840 1465315596160 1470951425376 1505698309440 1593530710824 1606078196736 1623118814208 1634390472640 1648480045680 1740374837760 1758378715392 1838689281720 1853167150080 1961268567168 1991913388530 2007597745920 2028898517760 2088449805312 2124707614432 2197973394240 2344504953856 2390296066236 2409117295104 2451585708960 2610562256640 2615024756224 2637568073088 2655884518040 2676796994560 2705198023680 2930631192320 2941902850752 2987870082795 3011396618880 3187061421648 3268780945280 3296960091360 3480749675520 3516757430784 3677378563440 3922537134336 3983826777060 4015195491840 4057797035520 4249415228864 4395946788480 4780592132472 4818234590208 4903171417920 5221124513280 5230049512448 5275136146176 5311769036080 5861262384640 5883805701504 5975740165590 6022793237760 6374122843296 6537561890560 6593920182720 7033514861568 7354757126880 7845074268672 7967653554120 8030390983680 8115594071040 8498830457728 8791893576960 9561184264944 9806342835840 10442249026560 10550272292352 10623538072160 11722524769280 11767611403008 11951480331180 12045586475520 12748245686592 13075123781120 13187840365440 14709514253760 15690148537344 15935307108240 16997660915456 17583787153920 19122368529888 19612685671680 21100544584704 21247076144320 23535222806016 23902960662360 24091172951040 25496491373184 26150247562240 26375680730880 29419028507520 31870614216480 33995321830912 35167574307840 38244737059776 39225371343360 42494152288640 47070445612032 47805921324720 50992982746368 52751361461760 58838057015040 63741228432960 67990643661824 76489474119552 78450742686720 84988304577280 95611842649440 101985965492736 105502722923520 117676114030080 127482456865920 152978948239104 169976609154560 191223685298880 203971930985472 235352228060160 254964913731840 305957896478208 339953218309120 382447370597760 509929827463680 611915792956416 764894741195520 1019859654927360 1529789482391040 3059578964782080
- Sum of all divisors σ(n): 11946681607311360
- Sum of proper divisors (its aliquot sum) s(n): 8887102642529280
- 3059578964782080 is an abundant number, because the sum of its proper divisors (8887102642529280) is greater than itself. Its abundance is 5827523677747200
Bases of 3059578964782080
- Binary: 10101101111010101011101111010101101110101100000000002
- Hexadecimal: 0xADEABBD5BAC00
- Base-36: U4J367N5S0
Squares and roots of 3059578964782080
- 3059578964782080 squared (30595789647820802) is 9361023441736984328941889126400
- 3059578964782080 cubed (30595789647820803) is 28640790411170426086941921053532649697574912000
-
The
square root of 3059578964782080 is 55313460.9727332105 -
The
cube root of 3059578964782080 is 145173.4581276897
Scales and comparisons
How big is 3059578964782080?- 3,059,578,964,782,080 seconds is equal to 97,285,147 years, 9 weeks, 2 days, 20 hours, 48 minutes.
-
To count from 1 to 3,059,578,964,782,080 would take you about two hundred ninety-one million, eight hundred fifty-five thousand, four hundred forty-one 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 3059578964782080 cubic inches would be around 12097.8 feet tall.
Recreational maths with 3059578964782080
- 3059578964782080 backwards is 0802874698759503
- The number of decimal digits it has is: 16
- The sum of 3059578964782080's digits is 81
- 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 3059578964782080 - Facts about the integer". Numbermatics.com. 2024. Web. 23 September 2024.
APA style:
Numbermatics. (2024). Number 3059578964782080 - Facts about the integer. Retrieved 23 September 2024, from https://numbermatics.com/n/3059578964782080/
Chicago style:
Numbermatics. 2024. "Number 3059578964782080 - Facts about the integer". https://numbermatics.com/n/3059578964782080/
The information we have on file for 3059578964782080 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 3059578964782080, math, Factors of 3059578964782080, curriculum, school, college, exams, university, Prime factorization of 3059578964782080, STEM, science, technology, engineering, physics, economics, calculator, three quadrillion, fifty-nine trillion, five hundred seventy-eight billion, nine hundred sixty-four million, seven hundred eighty-two thousand and eighty.