13078865842561960
13,078,865,842,561,960 is an even composite number composed of nine prime numbers multiplied together.
What does the number 13078865842561960 look like?
This visualization shows the relationship between its 9 prime factors (large circles) and 2048 divisors.
13078865842561960 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of two thousand and forty-eight divisors.
Prime factorization of 13078865842561960:
23 × 5 × 73 × 19 × 31 × 73 × 257 × 281 × 307
(2 × 2 × 2 × 5 × 7 × 7 × 7 × 19 × 31 × 73 × 257 × 281 × 307)See below for interesting mathematical facts about the number 13078865842561960 from the Numbermatics database.
Names of 13078865842561960
- Cardinal: 13078865842561960 can be written as Thirteen quadrillion, seventy-eight trillion, eight hundred sixty-five billion, eight hundred forty-two million, five hundred sixty-one thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 1.307886584256196 × 1016
Factors of 13078865842561960
Divisors of 13078865842561960
- Number of divisors d(n): 2048
-
Complete list of divisors:
1 2 4 5 7 8 10 14 19 20 28 31 35 38 40 49 56 62 70 73 76 95 98 124 133 140 146 152 155 190 196 217 245 248 257 266 280 281 292 307 310 343 365 380 392 434 490 511 514 532 562 584 589 614 620 665 686 730 760 868 931 980 1022 1028 1064 1085 1124 1178 1228 1240 1285 1330 1372 1387 1405 1460 1519 1535 1715 1736 1799 1862 1960 1967 2044 2056 2149 2170 2248 2263 2356 2456 2555 2570 2660 2744 2774 2810 2920 2945 3038 3070 3430 3577 3598 3724 3934 4088 4123 4298 4340 4526 4655 4712 4883 5110 5140 5320 5339 5548 5620 5833 5890 6076 6140 6517 6860 6935 7154 7196 7448 7595 7868 7967 8246 8596 8680 8711 8995 9052 9310 9517 9709 9766 9835 10220 10280 10633 10678 10745 11096 11240 11315 11666 11780 12152 12280 12593 13034 13720 13769 13870 14308 14392 15043 15190 15736 15841 15934 16492 17192 17422 17885 17990 18104 18620 18761 19034 19418 19532 19670 20440 20513 20615 21266 21356 21490 22411 22630 23332 23560 24415 25039 25186 26068 26695 27538 27740 28616 28861 29165 30086 30380 31682 31868 32585 32984 34181 34844 35770 35980 37240 37373 37522 38068 38836 39064 39340 39835 40831 41026 41230 42532 42712 42980 42997 43555 44822 45260 46664 47585 48545 48830 50078 50372 52136 53165 53390 55076 55480 55769 57722 58330 60172 60760 60977 62965 63364 63736 65170 66619 67963 68362 68845 69688 71540 71960 72217 74746 75044 75215 76136 77672 78680 78899 79205 79670 81662 82052 82460 85064 85960 85994 86267 87110 88151 89644 90520 93805 95170 96383 97090 97660 100156 100744 102565 105301 106330 106780 110152 110887 111538 112055 115444 116660 120344 121954 125195 125930 126728 130340 131327 133238 135926 136724 137690 143080 143591 144305 144434 149492 150088 150430 151373 156877 157798 158410 159340 163324 164104 164920 165509 170905 171988 172534 174220 176302 179288 180823 186865 187610 190340 192766 194180 195320 200312 202027 204155 205130 210602 212660 213560 214985 221774 223076 224110 230888 233320 239267 243908 250390 251860 260680 261611 262654 266476 271852 273448 275380 278845 285817 287182 288610 288868 298984 300860 300979 302746 304885 313754 315596 316820 318680 326648 331018 333095 339815 341810 343976 345068 348440 352604 356459 361085 361646 373730 375220 380680 385532 388360 389747 390383 394495 404054 408310 410260 421204 425320 425809 426839 429970 431335 440755 443548 446152 448220 466333 475741 478534 481915 487816 500780 503720 505519 523222 525308 526505 532952 543704 550760 552293 554435 557690 571634 574364 577220 577736 581591 601720 601958 603869 605492 609770 627508 631192 633640 635903 656635 662036 666190 679630 683620 690136 694741 705208 712918 717955 722170 723292 747460 750440 756865 771064 776209 779494 780766 784385 788990 808108 816620 820520 827545 842408 851618 853678 859940 862670 881510 887096 896440 904115 919289 932666 951482 957068 963830 1001560 1005137 1010135 1011038 1046444 1050616 1053010 1059611 1098139 1104586 1108870 1115380 1143268 1148728 1154440 1158563 1163182 1196335 1203916 1207738 1210984 1219540 1255016 1265761 1271806 1308055 1313270 1324072 1332380 1359260 1367240 1372123 1389482 1425836 1429085 1435910 1444340 1446584 1494920 1499081 1504895 1513730 1552418 1558988 1561532 1568770 1577980 1616216 1633240 1639073 1655090 1674869 1703236 1707356 1719880 1725340 1763020 1782295 1808230 1831277 1838578 1865332 1902964 1914136 1927660 1948735 1951915 2000719 2010274 2020270 2022076 2092888 2106020 2106853 2119222 2129045 2134195 2196278 2209172 2217740 2230760 2238727 2286536 2317126 2326364 2331665 2378705 2392670 2407832 2415476 2439080 2445869 2495213 2527595 2531522 2543612 2616110 2626540 2664760 2674277 2718520 2728229 2732681 2744246 2761465 2778964 2851672 2858170 2871820 2888680 2907955 2980663 2987873 2998162 3009790 3019345 3027460 3104836 3117976 3123064 3137540 3155960 3179515 3264331 3278146 3310180 3349738 3406472 3414712 3450680 3473705 3526040 3538633 3564590 3616460 3662554 3677156 3730664 3805928 3855320 3866051 3881045 3897470 3903830 4001438 4020548 4040540 4044152 4071137 4212040 4213706 4227083 4238444 4258090 4268390 4392556 4418344 4435480 4451321 4477454 4596445 4634252 4652728 4663330 4757410 4785340 4830952 4863187 4891738 4990426 5025685 5055190 5063044 5087224 5232220 5253080 5271841 5298055 5348554 5456458 5465362 5488492 5490695 5522930 5557928 5716340 5743640 5759627 5792815 5815910 5961326 5975746 5996324 6019580 6038690 6054920 6209672 6275080 6297491 6328805 6359030 6435023 6528662 6556292 6620360 6699476 6860615 6947410 7035959 7077266 7129180 7232920 7325108 7354312 7417277 7495405 7686973 7732102 7762090 7794940 7807660 8002876 8041096 8081080 8109941 8142274 8195365 8374345 8427412 8454166 8476888 8516180 8536780 8785112 8860327 8902642 8954908 9156385 9192890 9268504 9326660 9514820 9570680 9604861 9726374 9783476 9980852 10003595 10051370 10110380 10126088 10464440 10493567 10534265 10543682 10596110 10697108 10912916 10930724 10976984 10981390 11045860 11050229 11193635 11432680 11473511 11519254 11585630 11631820 11922652 11951492 11992648 12039160 12077380 12082157 12229345 12476065 12594982 12657610 12718060 12870046 13057324 13112584 13200079 13371385 13398952 13641145 13663405 13721230 13894820 14071918 14154532 14258360 14650216 14747971 14834554 14903315 14939365 14990810 15373946 15464204 15524180 15589880 15615320 15671089 16005752 16219882 16284548 16321655 16390730 16748690 16854824 16908332 17032360 17073560 17121083 17466491 17693165 17720654 17805284 17909816 18312770 18385780 18653320 18719939 19029640 19097603 19209722 19330255 19452748 19566952 19961704 20007190 20102740 20220760 20355685 20864641 20987134 21068530 21087364 21135415 21192220 21394216 21825832 21861448 21962780 22091720 22100458 22170619 22256605 22387270 22947022 23038508 23171260 23263640 23845304 23902984 24154760 24164314 24315935 24458690 24770431 24952130 25189964 25315220 25436120 25740092 26114648 26359205 26400158 26742770 27062357 27282290 27326810 27442460 27789640 28143836 28309064 28497959 28798135 29495942 29589581 29669108 29806630 29878730 29981620 30747892 30928408 31048360 31159247 31342178 31487455 32175115 32439764 32569096 32643310 32781460 33497380 33816664 34042309 34242166 34932982 35179795 35386330 35441308 35610568 36625540 36771560 36902887 37086385 37439878 38195206 38419444 38434865 38660510 38905496 40014380 40205480 40317389 40549705 40711370 41729282 41974268 42137060 42174728 42270830 42384440 42535813 43925560 44082437 44200916 44301635 44341238 44513210 44774540 45894044 46077016 46342520 46471511 48024305 48328628 48631870 48917380 49540862 49904260 50379928 50630440 50811263 51480184 51920939 52467835 52718410 52800316 53485540 54124714 54564580 54653620 54884920 55251145 56287672 56769587 56995918 57367555 57596270 58991884 59179162 59338216 59613260 59757460 59963240 60410785 61495784 62022289 62318494 62684356 62974910 64350230 64879528 65286620 65562920 66000395 66994760 67234027 68084618 68484332 69865964 70359590 70772660 70882616 73251080 73454969 73739855 73805774 74172770 74879756 76390412 76838888 76869730 77321020 77351603 78355445 80028760 80314577 80634778 81099410 81422740 83458564 83948536 84274120 84541660 84575099 85071626 85605415 87332455 88164874 88401832 88603270 88682476 89026420 89549080 91788088 92400553 92943022 93599695 95488015 96048610 96657256 97263740 97834760 99081724 99808520 100164979 101622526 103841878 104323205 104935670 105436820 105600632 106971080 108249428 109129160 109307240 109432913 109697623 110502290 110853095 113539174 113991836 114735110 115192540 117983768 118358324 119226520 119514920 119652329 119847581 120821570 122265437 123852155 124044578 124636988 125368712 125949820 128700460 130573240 131039573 132000790 133683221 134468054 135311785 136169236 136968664 139731928 140719180 141545320 142489795 146052487 146909938 147479710 147611548 147947905 148345540 149759512 152780824 153739460 154642040 154703206 155194333 155796235 156710890 160629154 161269556 162198820 162845480 163427071 166917128 169083320 169150198 170143252 170211545 171210830 174664910 176329748 177206540 177364952 178052840 178548437 184514435 184801106 185886044 187199390 190976030 192097220 194527480 195222221 198163448 199485713 200329958 201586945 203245052 207683756 208646410 209871340 210873640 212679065 216498856 218114729 218865826 219395246 220412185 221004580 221706190 227078348 227983672 229470220 230385080 232357555 236716648 238296163 239304658 239695162 241643140 244530874 247704310 248089156 249273976 251899640 254056315 257400920 258320209 259604695 262079146 264001580 267366442 268936108 270623570 272338472 281438360 282221723 283847935 284979590 292104974 293819876 294959420 295223096 295895810 296691080 297750691 307478920 308577059 309406412 310111445 310388666 311592470 313421780 321258308 322539112 324397640 325300577 326854142 336170135 338300396 340286504 340423090 342421660 349329820 352659496 354413080 355678841 357096874 367274845 369028870 369602212 371772088 374398780 381952060 384194440 386758015 390444442 398971426 400659916 401572885 403173890 406490104 415367512 417292820 419742680 421241761 422875495 425358130 436229458 437731652 438790492 440824370 442009160 443412380 454156696 458940440 462002765 464715110 470638189 476592326 478609316 479390324 483286280 489061748 495408620 496178312 500824895 508112630 514184783 516640418 519209390 524158292 528003160 534732884 537872216 541247140 541461221 547164565 548488115 562202039 564443446 567695870 569959180 584209948 587639752 589918840 591791620 592025693 595501382 598261645 599237905 611327185 617154118 618812824 620222890 620777332 623184940 626843560 642516616 646803871 650601154 653708284 655197865 668416105 672340270 676600792 680846180 684843320 687289189 698659640 701154853 711357682 714193748 730262435 734549690 738057740 739204424 748797560 763904120 766030391 767883361 773516030 775971665 780888884 797942852 801319832 803145770 806347780 817135355 834585640 837566303 838933067 842483522 845750990 850716260 872458916 875463304 877580984 881648740 886824760 892742185 917277011 924005530 929430220 941276378 953184652 957218632 958780648 976111105 978123496 990817240 997428565 1001649790 1016225260 1028369566 1033280836 1038418780 1048316584 1069465768 1082494280 1082922442 1086360331 1090573645 1094329130 1096976230 1124404078 1128886892 1135391740 1139918360 1143989497 1168419896 1183583240 1184051386 1191002764 1191480815 1196523290 1198475810 1222654370 1234308236 1240445780 1241554664 1246369880 1249839059 1291601045 1293607742 1301202308 1307416568 1310395730 1336832210 1344680540 1361692360 1366555547 1374578378 1402309706 1411108615 1422715364 1428387496 1460524870 1469099380 1476115480 1488753455 1532060782 1535766722 1542885295 1547032060 1551943330 1561777768 1595885704 1606291540 1612695560 1618455187 1626502885 1634270710 1675132606 1677866134 1684967044 1691501980 1701432520 1744917832 1763297480 1778394205 1785484370 1808241463 1834554022 1848011060 1858860440 1882552756 1906369304 1952222210 1975552061 1994857130 2003299580 2032450520 2056739132 2066561672 2076837560 2084254837 2106208805 2160039413 2165844884 2172720662 2181147290 2188658260 2193952460 2248808156 2257773784 2270783480 2277104039 2287978994 2353190945 2368102772 2382005528 2382961630 2393046580 2396951620 2445308740 2468616472 2480891560 2489751887 2499678118 2570923915 2583202090 2587215484 2602404616 2620791460 2673664420 2689361080 2707306105 2733111094 2749156756 2804619412 2811010195 2822217230 2845430728 2921049740 2938198760 2948692327 2960128465 2977506910 3064121564 3071533444 3085770590 3094064120 3103886660 3105114349 3212583080 3234019355 3236910374 3253005770 3268541420 3350265212 3355732268 3369934088 3383003960 3392420303 3436445945 3505774265 3556788410 3570968740 3616482926 3669108044 3696022120 3709222199 3765105512 3790228547 3830151955 3839416805 3904444420 3951104122 3989714260 4006599160 4113478264 4144179851 4168509674 4187831515 4194665335 4212417610 4320078826 4331689768 4345441324 4362294580 4377316520 4387904920 4497616312 4527627097 4554208078 4575957988 4586385055 4706381890 4736205544 4765923260 4786093160 4793903240 4811024323 4890617480 4908083971 4979503774 4999356236 5141847830 5166404180 5174430968 5241582920 5347328840 5362212737 5414612210 5431801655 5466222188 5498313512 5609238824 5622020390 5644434460 5719947485 5842099480 5862964121 5897384654 5920256930 5955013820 6128243128 6143066888 6171541180 6207773320 6210228698 6249195295 6468038710 6473820748 6506011540 6537082840 6700530424 6711464536 6784840606 6832777735 6872891890 7011548530 7113576820 7141937480 7232965852 7338216088 7418444398 7580457094 7604522317 7660303910 7678833610 7808888840 7902208244 7979428520 8007926479 8092275935 8288359702 8337019348 8375663030 8389330670 8424835220 8640157652 8690882648 8724589160 8748873413 9041207315 9055254194 9108416156 9151915976 9172770110 9412763780 9531846520 9565888829 9622048646 9816167942 9877760305 9959007548 9998712472 10283695660 10332808360 10421274185 10724425474 10800197065 10829224420 10863603310 10932444376 11244040780 11288868920 11329186309 11385520195 11439894970 11725928242 11794769308 11840513860 11910027640 12343082360 12420457396 12448759435 12498390590 12936077420 12947641496 13012023080 13058494591 13569681212 13665555470 13745783780 14023097060 14227153640 14465931704 14589783859 14743461635 14836888796 15160914188 15209044634 15320607820 15357667220 15525571745 15804416488 15939728273 16015852958 16184551870 16576719404 16674038696 16751326060 16778661340 16849670440 16962101515 17280315304 17428263209 17497746826 18082414630 18110508388 18216832312 18345540220 18546110995 18825527560 18951142735 19131777658 19244097292 19632335884 19755520610 19918015096 20567391320 20640846289 20720899255 20842548370 21448850948 21600394130 21658448840 21727206620 21735800443 22488081560 22638135485 22658372618 22771040390 22879789940 23451856484 23589538616 23681027720 23746942121 24055121615 24540419855 24840914792 24897518870 24996781180 25872154840 25964555393 26116989182 26811063685 27139362424 27331110940 27491567560 28046194120 29179567718 29314820605 29486923270 29673777592 30321828376 30418089268 30641215640 30715334440 30750648553 31051143490 31879456546 32031705916 32369103740 33153438808 33502652120 33557322680 33677170261 33924203030 34356587797 34856526418 34995493652 36164829260 36221016776 36691080440 37092221990 37535489159 37902285470 38022611585 38263555316 38488194584 39264671768 39511041220 40039632395 41040748847 41281692578 41441798510 41685096740 42897701896 43200788260 43454413240 43471600886 43744367065 45276270970 45316745236 45542080780 45759579880 46903712968 47493884242 47829444145 48110243230 49080839710 49795037740 49993562360 50172110797 51929110786 52233978364 53622127370 54662221880 56055485353 56645931545 58359135436 58629641210 58973846540 60836178536 61242113891 61501297106 62102286980 63758913092 64063411832 64738207480 65292472955 66961221803 67354340522 67848406060 68713175594 69713052836 69990987304 72329658520 72948919295 74184443980 75070978318 75804570940 76045223170 76527110632 79022082440 79304304163 79698641365 80079264790 82081497694 82563385156 82883597020 83370193480 86401576520 86943201772 87141316045 87488734130 90552541940 90633490472 91084161560 91409462137 94987768484 95658888290 96220486460 98161679420 99590075480 100344221594 103204231445 103858221572 104467956728 107244254740 108679002215 112110970706 113291863090 116718270872 117259282420 117947693080 118734710605 122484227782 123002594212 124204573960 127517826184 129822776965 130584945910 133922443606 134708681044 135696812120 137426351188 139426105672 144485924023 145897838590 148368887960 150141956636 151609141880 152090446340 152150603101 153753242765 158608608326 159397282730 160158529580 164162995388 165126770312 165767194040 166228594847 168385851305 171782938985 173886403544 174282632090 174977468260 181105083880 181751887751 182818924274 187677445795 189975536968 191317776580 192440972920 196323358840 200688443188 205203744235 206408462890 207716443144 214488509480 215254539871 217358004430 224221941412 226583726180 234518564840 235740191827 237469421210 244968455564 246005188424 250860553985 259645553930 261169891820 267844887212 269417362088 274852702376 280277426765 288971848046 291795677180 300283913272 304180892680 304301206202 306210569455 307506485530 317217216652 318794565460 320317059160 328325990776 332457189694 334806109015 336771702610 343565877970 348565264180 349954936520 351204775579 363503775502 365637848548 375354891590 382635553160 396521520815 401376886376 410407488470 412816925780 430509079742 434716008860 448443882824 453167452360 457047310685 471480383654 474938842420 489936911128 501721107970 519291107860 522339783640 535689774424 555130129141 560554853530 577943696092 583591354360 608602412404 612421138910 615012971060 634434433304 637589130920 639866234959 664914379388 669612218030 673543405220 687131755940 697130528360 702409551158 722429620115 727007551004 731275697096 750709783180 760753015505 793043041630 820814976940 825633851560 831142974235 861018159484 869432017720 908759438755 914094621370 942960767308 949877684840 953270105143 1003442215940 1038582215720 1065054221707 1076272699355 1110260258282 1121109707060 1155887392184 1163600163929 1178700959135 1217204824808 1224842277820 1230025942120 1272263214257 1279732469918 1329828758776 1339224436060 1347086810440 1374263511880 1404819102316 1444859240230 1454015102008 1501419566360 1506781779097 1521506031010 1586086083260 1641629953880 1662285948470 1722036318968 1756023877895 1817518877510 1828189242740 1885921534616 1906540210286 2006884431880 2130108443414 2152545398710 2220520516564 2242219414120 2327200327858 2357401918270 2449684555640 2458433429053 2544526428514 2559464939836 2678448872120 2775650645705 2809638204632 2889718480460 3013563558194 3043012062020 3172172166520 3199331174795 3324571896940 3512047755790 3635037755020 3656378485480 3813080420572 4260216886828 4305090797420 4441041033128 4479063644713 4654400655716 4714803836540 4766350525715 4916866858106 5089052857028 5118929879672 5325271108535 5551301291410 5779436960920 5818000819645 6027127116388 6086024124040 6361316071285 6398662349590 6649143793880 6672890736001 7024095511580 7270075510040 7533908895485 7626160841144 8520433773656 8610181594840 8958127289426 9308801311432 9429607673080 9532701051430 9833733716212 10178105714056 10547472453679 10650542217070 11102602582820 11636001639290 12054254232776 12292167145265 12722632142570 12797324699180 13345781472002 14048191023160 15067817790970 17209034003371 17916254578852 19065402102860 19667467432424 21094944907358 21301084434140 22205205165640 22395318223565 23272003278580 24584334290530 25445264285140 25594649398360 26691562944004 30135635581940 33364453680005 34418068006742 35832509157704 38130804205720 42189889814716 42602168868280 44790636447130 46544006557160 46710235152007 49168668581060 50890528570280 52737362268395 53383125888008 60271271163880 66728907360010 68836136013484 84379779629432 86045170016855 89581272894260 93420470304014 98337337162120 105474724536790 133457814720020 137672272026968 172090340033710 179162545788520 186840940608028 210949449073580 233551175760035 266915629440040 326971646064049 344180680067420 373681881216056 421898898147160 467102351520070 653943292128098 688361360134840 934204703040140 1307886584256196 1634858230320245 1868409406080280 2615773168512392 3269716460640490 6539432921280980 13078865842561960
- Sum of all divisors σ(n): 38206189486080000
- Sum of proper divisors (its aliquot sum) s(n): 25127323643518040
- 13078865842561960 is an abundant number, because the sum of its proper divisors (25127323643518040) is greater than itself. Its abundance is 12048457800956080
Bases of 13078865842561960
- Binary: 1011100111011100101000110000001001110001100011101010002
- Hexadecimal: 0x2E7728C09C63A8
- Base-36: 3KS2K0SCOMG
Squares and roots of 13078865842561960
- 13078865842561960 squared (130788658425619602) is 171056731727733967861456439041600
- 13078865842561960 cubed (130788658425619603) is 2237228045734144477288045789531561517511017536000
-
The
square root of 13078865842561960 is 114362869.1602390675 -
The
cube root of 13078865842561960 is 235607.9976262193
Scales and comparisons
How big is 13078865842561960?- 13,078,865,842,561,960 seconds is equal to 415,867,478 years, 10 weeks, 4 days, 16 hours, 32 minutes, 40 seconds.
-
To count from 1 to 13,078,865,842,561,960 would take you about one billion, two hundred forty-seven million, six hundred two thousand, four hundred thirty-four 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 13078865842561960 cubic inches would be around 19634 feet tall.
Recreational maths with 13078865842561960
- 13078865842561960 backwards is 06916524856887031
- The number of decimal digits it has is: 17
- The sum of 13078865842561960's digits is 79
- 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 13078865842561960 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
APA style:
Numbermatics. (2024). Number 13078865842561960 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/13078865842561960/
Chicago style:
Numbermatics. 2024. "Number 13078865842561960 - Facts about the integer". https://numbermatics.com/n/13078865842561960/
The information we have on file for 13078865842561960 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 13078865842561960, math, Factors of 13078865842561960, curriculum, school, college, exams, university, Prime factorization of 13078865842561960, STEM, science, technology, engineering, physics, economics, calculator, thirteen quadrillion, seventy-eight trillion, eight hundred sixty-five billion, eight hundred forty-two million, five hundred sixty-one thousand, nine hundred sixty.