23950999940471808000
23,950,999,940,471,808,000 is an even composite number composed of five prime numbers multiplied together.
What does the number 23950999940471808000 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 1792 divisors.
23950999940471808000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, seven hundred ninety-two divisors.
Prime factorization of 23950999940471808000:
213 × 3 × 53 × 793 × 2513
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 79 × 79 × 79 × 251 × 251 × 251)See below for interesting mathematical facts about the number 23950999940471808000 from the Numbermatics database.
Names of 23950999940471808000
- Cardinal: 23950999940471808000 can be written as Twenty-three quintillion, nine hundred fifty quadrillion, nine hundred ninety-nine trillion, nine hundred forty billion, four hundred seventy-one million, eight hundred eight thousand.
Scientific notation
- Scientific notation: 2.3950999940471808 × 1019
Factors of 23950999940471808000
Divisors of 23950999940471808000
- Number of divisors d(n): 1792
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 79 80 96 100 120 125 128 150 158 160 192 200 237 240 250 251 256 300 316 320 375 384 395 400 474 480 500 502 512 600 632 640 750 753 768 790 800 948 960 1000 1004 1024 1185 1200 1255 1264 1280 1500 1506 1536 1580 1600 1896 1920 1975 2000 2008 2048 2370 2400 2510 2528 2560 3000 3012 3072 3160 3200 3765 3792 3840 3950 4000 4016 4096 4740 4800 5020 5056 5120 5925 6000 6024 6144 6241 6275 6320 6400 7530 7584 7680 7900 8000 8032 8192 9480 9600 9875 10040 10112 10240 11850 12000 12048 12288 12482 12550 12640 12800 15060 15168 15360 15800 16000 16064 18723 18825 18960 19200 19750 19829 20080 20224 20480 23700 24000 24096 24576 24964 25100 25280 25600 29625 30120 30336 30720 31205 31375 31600 32000 32128 37446 37650 37920 38400 39500 39658 40160 40448 40960 47400 48000 48192 49928 50200 50560 51200 59250 59487 60240 60672 61440 62410 62750 63001 63200 64000 64256 74892 75300 75840 76800 79000 79316 80320 80896 93615 94125 94800 96000 96384 99145 99856 100400 101120 102400 118500 118974 120480 121344 122880 124820 125500 126002 126400 128000 128512 149784 150600 151680 153600 156025 158000 158632 160640 161792 187230 188250 189003 189600 192000 192768 198290 199712 200800 202240 204800 237000 237948 240960 242688 249640 251000 252004 252800 256000 257024 297435 299568 301200 303360 307200 312050 315005 316000 317264 321280 323584 374460 376500 378006 379200 384000 385536 396580 399424 401600 404480 468075 474000 475896 481920 485376 493039 495725 499280 502000 504008 505600 512000 514048 594870 599136 602400 606720 614400 624100 630010 632000 634528 642560 647168 748920 753000 756012 758400 768000 771072 780125 793160 798848 803200 808960 936150 945015 948000 951792 963840 970752 986078 991450 998560 1004000 1008016 1011200 1024000 1028096 1189740 1198272 1204800 1213440 1248200 1260020 1264000 1269056 1285120 1479117 1487175 1497840 1506000 1512024 1516800 1536000 1542144 1560250 1566491 1575025 1586320 1597696 1606400 1617920 1872300 1890030 1896000 1903584 1927680 1941504 1972156 1982900 1997120 2008000 2016032 2022400 2056192 2340375 2379480 2396544 2409600 2426880 2465195 2478625 2496400 2520040 2528000 2538112 2570240 2958234 2974350 2995680 3012000 3024048 3033600 3072000 3084288 3120500 3132982 3150050 3172640 3195392 3212800 3235840 3744600 3780060 3792000 3807168 3855360 3944312 3965800 3994240 4016000 4032064 4044800 4680750 4699473 4725075 4758960 4793088 4819200 4853760 4930390 4957250 4977079 4992800 5040080 5056000 5076224 5140480 5916468 5948700 5991360 6024000 6048096 6067200 6168576 6241000 6265964 6300100 6345280 6390784 6425600 7395585 7435875 7489200 7560120 7584000 7614336 7710720 7832455 7875125 7888624 7931600 7988480 8032000 8064128 8089600 9361500 9398946 9450150 9517920 9586176 9638400 9707520 9860780 9914500 9954158 9985600 10080160 10112000 10152448 10280960 11832936 11897400 11982720 12048000 12096192 12134400 12325975 12482000 12531928 12600200 12690560 12781568 12851200 14791170 14871750 14931237 14978400 15120240 15168000 15228672 15421440 15664910 15750250 15777248 15813251 15863200 15976960 16064000 16128256 16179200 18723000 18797892 18900300 19035840 19172352 19276800 19721560 19829000 19908316 19971200 20160320 20224000 20304896 23497365 23625375 23665872 23794800 23965440 24096000 24192384 24268800 24651950 24885395 24964000 25063856 25200400 25381120 25563136 25702400 29582340 29743500 29862474 29956800 30240480 30336000 30457344 30842880 31329820 31500500 31554496 31626502 31726400 31953920 32128000 32256512 36977925 37446000 37595784 37800600 38071680 38344704 38553600 39162275 39443120 39658000 39816632 39942400 40320640 40448000 40609792 46994730 47250750 47331744 47439753 47589600 47930880 48192000 48384768 48537600 49303900 49770790 49928000 50127712 50400800 50762240 51126272 51404800 59164680 59487000 59724948 59913600 60480960 60672000 60914688 61629875 62659640 63001000 63108992 63253004 63452800 63907840 64256000 64513024 73955850 74656185 74892000 75191568 75601200 76143360 76689408 77107200 78324550 78886240 79066255 79316000 79633264 79884800 80641280 80896000 81219584 93989460 94501500 94663488 94879506 95179200 95861760 96384000 96769536 98607800 99541580 99856000 100255424 100801600 101524480 117486825 118329360 118974000 119449896 119827200 120961920 121344000 121829376 123259750 123752789 124426975 125319280 126002000 126217984 126506008 126905600 127815680 128512000 129026048 147911700 149312370 149784000 150383136 151202400 152286720 153378816 154214400 156649100 157772480 158132510 158632000 159266528 159769600 161282560 162439168 184889625 187978920 189003000 189326976 189759012 190358400 191723520 192768000 193539072 195811375 197215600 199083160 199712000 200510848 201603200 203048960 234973650 236658720 237198765 237948000 238899792 239654400 241923840 242688000 243658752 246519500 247505578 248853950 250638560 252004000 252435968 253012016 253811200 255631360 257024000 258052096 295823400 298624740 299568000 300766272 302404800 304573440 313298200 315544960 316265020 317264000 318533056 319539200 322565120 369779250 371258367 373280925 375957840 378006000 378653952 379518024 380716800 383447040 385536000 387078144 391622750 393189241 394431200 395331275 398166320 399424000 401021696 403206400 406097920 469947300 473317440 474397530 475896000 477799584 479308800 483847680 487317504 493039000 495011156 497707900 501277120 504008000 504871936 506024032 507622400 516104192 587434125 591646800 597249480 599136000 601532544 604809600 609146880 618763945 622134875 626596400 631089920 632530040 634528000 637066112 639078400 645130240 739558500 742516734 746561850 751915680 756012000 757307904 759036048 761433600 766894080 771072000 774156288 783245500 786378482 788862400 790662550 796332640 798848000 802043392 806412800 812195840 939894600 946634880 948795060 951792000 955599168 958617600 967695360 986078000 990022312 995415800 1002554240 1008016000 1009743872 1012048064 1015244800 1174868250 1179567723 1183293600 1185993825 1194498960 1198272000 1203065088 1209619200 1218293760 1237527890 1244269750 1249246829 1253192800 1262179840 1265060080 1269056000 1274132224 1278156800 1290260480 1479117000 1485033468 1493123700 1503831360 1512024000 1514615808 1518072096 1522867200 1548312576 1566491000 1572756964 1577724800 1581325100 1592665280 1597696000 1604086784 1612825600 1856291835 1866404625 1879789200 1893269760 1897590120 1903584000 1911198336 1917235200 1935390720 1965946205 1972156000 1976656375 1980044624 1990831600 2005108480 2016032000 2019487744 2024096128 2030489600 2349736500 2359135446 2366587200 2371987650 2388997920 2396544000 2406130176 2419238400 2436587520 2475055780 2488539500 2498493658 2506385600 2524359680 2530120160 2538112000 2548264448 2580520960 2958234000 2970066936 2986247400 3007662720 3024048000 3029231616 3036144192 3045734400 3093819725 3132982000 3145513928 3155449600 3162650200 3185330560 3195392000 3208173568 3225651200 3712583670 3732809250 3747740487 3759578400 3786539520 3795180240 3807168000 3822396672 3834470400 3870781440 3931892410 3944312000 3953312750 3960089248 3981663200 4010216960 4032064000 4038975488 4048192256 4060979200 4699473000 4718270892 4733174400 4743975300 4777995840 4793088000 4812260352 4838476800 4950111560 4977079000 4996987316 5012771200 5048719360 5060240320 5076224000 5096528896 5897838615 5916468000 5929969125 5940133872 5972494800 6015325440 6048096000 6058463232 6072288384 6091468800 6187639450 6246234145 6265964000 6291027856 6310899200 6325300400 6370661120 6390784000 6416347136 6451302400 7425167340 7465618500 7495480974 7519156800 7573079040 7590360480 7614336000 7644793344 7741562880 7863784820 7888624000 7906625500 7920178496 7963326400 8020433920 8064128000 8096384512 9281459175 9398946000 9436541784 9466348800 9487950600 9555991680 9586176000 9624520704 9676953600 9829731025 9900223120 9954158000 9993974632 10025542400 10097438720 10120480640 10152448000 10193057792 11795677230 11832936000 11859938250 11880267744 11944989600 12030650880 12096192000 12116926464 12144576768 12182937600 12375278900 12492468290 12531928000 12582055712 12621798400 12650600800 12741322240 12832694272 12902604800 14850334680 14931237000 14990961948 15038313600 15146158080 15180720960 15228672000 15289586688 15469098625 15727569640 15777248000 15813251000 15840356992 15926652800 16040867840 16128256000 16192769024 18562918350 18738702435 18797892000 18873083568 18932697600 18975901200 19111983360 19172352000 19249041408 19353907200 19659462050 19800446240 19908316000 19987949264 20051084800 20194877440 20240961280 20304896000 20386115584 23591354460 23665872000 23719876500 23760535488 23889979200 24061301760 24192384000 24289153536 24750557800 24984936580 25063856000 25164111424 25243596800 25301201600 25482644480 29489193075 29700669360 29862474000 29981923896 30076627200 30292316160 30361441920 30457344000 30579173376 30938197250 31061950039 31231170725 31455139280 31554496000 31626502000 31680713984 31853305600 32081735680 32256512000 32385538048 37125836700 37477404870 37595784000 37746167136 37865395200 37951802400 38223966720 38498082816 38707814400 39318924100 39600892480 39816632000 39975898528 40102169600 40481922560 40772231168 46407295875 47182708920 47331744000 47439753000 47521070976 47779958400 48122603520 48384768000 48578307072 49148655125 49501115600 49969873160 50127712000 50328222848 50487193600 50602403200 50965288960 58978386150 59401338720 59724948000 59963847792 60153254400 60584632320 60722883840 60914688000 61158346752 61876394500 62123900078 62462341450 62910278560 63108992000 63253004000 63361427968 63706611200 64163471360 64513024000 64771076096 74251673400 74954809740 75191568000 75492334272 75730790400 75903604800 76447933440 78637848200 79201784960 79633264000 79951797056 80204339200 80963845120 92814591750 93185850117 93693512175 94365417840 94663488000 94879506000 95042141952 95559916800 96245207040 96769536000 97156614144 98297310250 98690499491 99002231200 99939746320 100255424000 100656445696 100974387200 101204806400 101930577920 117956772300 118802677440 119449896000 119927695584 120306508800 121445767680 122316693504 123752789000 124247800156 124924682900 125820557120 126217984000 126506008000 126722855936 127413222400 129542152192 147445965375 148503346800 149909619480 150383136000 150984668544 151461580800 151807209600 152895866880 155309750195 156155853625 157275696400 158403569920 159266528000 159903594112 160408678400 161927690240 185629183500 186371700234 187387024350 188730835680 189326976000 189759012000 190084283904 191119833600 192490414080 193539072000 194313228288 196594620500 197380998982 198004462400 199879492640 200510848000 201312891392 202409612800 203861155840 235913544600 237605354880 238899792000 239855391168 240613017600 242891535360 247505578000 248495600312 249849365800 251641114240 252435968000 253012016000 253445711872 254826444800 294891930750 296071498473 297006693600 299819238960 300766272000 301969337088 302923161600 303614419200 305791733760 310619500390 312311707250 314551392800 316807139840 318533056000 319807188224 320817356800 323855380480 371258367000 372743400468 374774048700 377461671360 378653952000 379518024000 380168567808 382239667200 388626456576 393189241000 394761997964 396008924800 399758985280 401021696000 402625782784 404819225600 465929250585 468467560875 471827089200 475210709760 477799584000 479710782336 481226035200 485783070720 493452497455 495011156000 496991200624 499698731600 503282228480 504871936000 506024032000 506891423744 509652889600 589783861500 592142996946 594013387200 599638477920 601532544000 603938674176 607228838400 611583467520 621239000780 624623414500 629102785600 633614279680 637066112000 639614376448 647710760960 742516734000 745486800936 749548097400 754923342720 757307904000 759036048000 760337135616 764479334400 776548750975 786378482000 789523995928 792017849600 799517970560 802043392000 805251565568 809638451200 931858501170 936935121750 943654178400 950421419520 955599168000 959421564672 962452070400 971566141440 986904994910 990022312000 993982401248 999397463200 1006564456960 1012048064000 1013782847488 1019305779200 1179567723000 1184285993892 1188026774400 1199276955840 1203065088000 1207877348352 1214457676800 1242478001560 1249246829000 1258205571200 1267228559360 1274132224000 1279228752896 1480357492365 1485033468000 1490973601872 1499096194800 1509846685440 1514615808000 1518072096000 1520674271232 1528958668800 1553097501950 1572756964000 1579047991856 1584035699200 1599035941120 1604086784000 1610503131136 1619276902400 1863717002340 1873870243500 1887308356800 1900842839040 1911198336000 1918843129344 1943132282880 1973809989820 1980044624000 1987964802496 1998794926400 2013128913920 2024096128000 2329646252925 2359135446000 2368571987784 2376053548800 2398553911680 2406130176000 2415754696704 2428915353600 2467262487275 2484956003120 2498493658000 2516411142400 2534457118720 2548264448000 2558457505792 2960714984730 2970066936000 2981947203744 2998192389600 3019693370880 3036144192000 3041348542464 3057917337600 3106195003900 3145513928000 3158095983712 3168071398400 3198071882240 3221006262272 3238553804800 3727434004680 3747740487000 3774616713600 3801685678080 3822396672000 3837686258688 3882743754875 3947619979640 3960089248000 3975929604992 3997589852800 4026257827840 4048192256000 4659292505850 4718270892000 4737143975568 4752107097600 4797107823360 4812260352000 4831509393408 4857830707200 4934524974550 4969912006240 4996987316000 5032822284800 5068914237440 5096528896000 5116915011584 5921429969460 5940133872000 5963894407488 5996384779200 6039386741760 6072288384000 6212390007800 6291027856000 6316191967424 6336142796800 6396143764480 7401787461825 7454868009360 7495480974000 7549233427200 7603371356160 7644793344000 7675372517376 7765487509750 7796549459789 7895239959280 7920178496000 7951859209984 7995179705600 8052515655680 8096384512000 9318585011700 9436541784000 9474287951136 9504214195200 9594215646720 9663018786816 9715661414400 9869049949100 9939824012480 9993974632000 10065644569600 10233830023168 11648231264625 11842859938920 11880267744000 11927788814976 11992769558400 12078773483520 12144576768000 12336312436375 12424780015600 12582055712000 12632383934848 12672285593600 12792287528960 14803574923650 14909736018720 14990961948000 15098466854400 15206742712320 15289586688000 15350745034752 15530975019500 15593098919578 15790479918560 15840356992000 15903718419968 15990359411200 16105031311360 16192769024000 18637170023400 18873083568000 18948575902272 19008428390400 19188431293440 19738099898200 19879648024960 19987949264000 20131289139200 23296462529250 23389648379367 23685719877840 23760535488000 23855577629952 23985539116800 24157546967040 24289153536000 24672624872750 24849560031200 25164111424000 25264767869696 25344571187200 25584575057920 29607149847300 29819472037440 29981923896000 30196933708800 30701490069504 31061950039000 31186197839156 31580959837120 31680713984000 31807436839936 31980718822400 37008937309125 37274340046800 37746167136000 37897151804544 38016856780800 38376862586880 38982747298945 39476199796400 39759296049920 39975898528000 40262578278400 46592925058500 46779296758734 47371439755680 47521070976000 47711155259904 47971078233600 48315093934080 48578307072000 49345249745500 49699120062400 50328222848000 50529535739392 51169150115840 59214299694600 59638944074880 59963847792000 60393867417600 62123900078000 62372395678312 63161919674240 63361427968000 63614873679872 63961437644800 74017874618250 74548680093600 75492334272000 75794303609088 76033713561600 76753725173760 77965494597890 78952399592800 79518592099840 79951797056000 80525156556800 93185850117000 93558593517468 94742879511360 95042141952000 95422310519808 95942156467200 98690499491000 99398240124800 100656445696000 101059071478784 116948241896835 118428599389200 119277888149760 119927695584000 120787734835200 124247800156000 124744791356624 126323839348480 126722855936000 127229747359744 127922875289600 148035749236500 149097360187200 150984668544000 151588607218176 153507450347520 155930989195780 157904799185600 159037184199680 159903594112000 186371700234000 187117187034936 189485759022720 190084283904000 190844621039616 191884312934400 194913736494725 197380998982000 198796480249600 201312891392000 202118142957568 233896483793670 236857198778400 238555776299520 239855391168000 241575469670400 248495600312000 249489582713248 252647678696960 254459494719488 255845750579200 296071498473000 298194720374400 301969337088000 303177214436352 311861978391560 315809598371200 318074368399360 319807188224000 372743400468000 374234374069872 378971518045440 380168567808000 381689242079232 383768625868800 389827472989450 394761997964000 397592960499200 402625782784000 404236285915136 467792967587340 473714397556800 477111552599040 479710782336000 496991200624000 498979165426496 505295357393920 584741209484175 592142996946000 596389440748800 603938674176000 606354428872704 623723956783120 631619196742400 636148736798720 639614376448000 745486800936000 748468748139744 757943036090880 763378484158464 767537251737600 779654945978900 789523995928000 795185920998400 808472571830272 935585935174680 947428795113600 954223105198080 959421564672000 974568682473625 993982401248000 997958330852992 1010590714787840 1169482418968350 1184285993892000 1192778881497600 1207877348352000 1212708857745408 1247447913566240 1263238393484800 1272297473597440 1279228752896000 1490973601872000 1496937496279488 1515886072181760 1559309891957800 1579047991856000 1590371841996800 1871171870349360 1894857590227200 1908446210396160 1918843129344000 1949137364947250 1987964802496000 1995916661705984 2021181429575680 2338964837936700 2368571987784000 2385557762995200 2425417715490816 2494895827132480 2526476786969600 2923706047420875 2981947203744000 2993874992558976 3031772144363520 3118619783915600 3158095983712000 3180743683993600 3742343740698720 3789715180454400 3816892420792320 3837686258688000 3898274729894500 3975929604992000 3991833323411968 4042362859151360 4677929675873400 4737143975568000 4771115525990400 4989791654264960 5052953573939200 5847412094841750 5963894407488000 5987749985117952 6063544288727040 6237239567831200 6316191967424000 6361487367987200 7484687481397440 7579430360908800 7796549459789000 7951859209984000 7983666646823936 9355859351746800 9474287951136000 9542231051980800 9979583308529920 10105907147878400 11694824189683500 11927788814976000 11975499970235904 12127088577454080 12474479135662400 12632383934848000 14969374962794880 15158860721817600 15593098919578000 15903718419968000 15967333293647872 18711718703493600 18948575902272000 19084462103961600 19959166617059840 20211814295756800 23389648379367000 23855577629952000 23950999940471808 24948958271324800 25264767869696000 29938749925589760 30317721443635200 31186197839156000 31807436839936000 31934666587295744 37423437406987200 37897151804544000 39918333234119680 46779296758734000 47711155259904000 47901999880943616 49897916542649600 50529535739392000 59877499851179520 60635442887270400 62372395678312000 63869333174591488 74846874813974400 75794303609088000 79836666468239360 93558593517468000 95422310519808000 95803999761887232 99795833085299200 101059071478784000 119754999702359040 124744791356624000 149693749627948800 151588607218176000 159673332936478720 187117187034936000 191607999523774464 199591666170598400 239509999404718080 249489582713248000 299387499255897600 303177214436352000 319346665872957440 374234374069872000 399183332341196800 479019998809436160 498979165426496000 598774998511795200 748468748139744000 798366664682393600 958039997618872320 997958330852992000 1197549997023590400 1496937496279488000 1596733329364787200 1995916661705984000 2395099994047180800 2993874992558976000 3991833323411968000 4790199988094361600 5987749985117952000 7983666646823936000 11975499970235904000 23950999940471808000
- Sum of all divisors σ(n): 81048811251020820480
- Sum of proper divisors (its aliquot sum) s(n): 57097811310549012480
- 23950999940471808000 is an abundant number, because the sum of its proper divisors (57097811310549012480) is greater than itself. Its abundance is 33146811370077204480
Bases of 23950999940471808000
- Binary: 101001100011000110000101110001100010010110011100101100000000000002
- Hexadecimal: 0x14C630B8C4B396000
- Base-36: 51YV4W3CW0IYO
Squares and roots of 23950999940471808000
- 23950999940471808000 squared (239509999404718080002) is 573650398148480550359605642788864000000
- 23950999940471808000 cubed (239509999404718080003) is 13739500651905886619803720040363807915781088346112000000000
-
The
square root of 23950999940471808000 is 4893975882.7023052667 -
The
cube root of 23950999940471808000 is 2882534.7388214797
Scales and comparisons
How big is 23950999940471808000?- 23,950,999,940,471,808,000 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 23,950,999,940,471,808,000 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 23950999940471808000 cubic inches would be around 240211.2 feet tall.
Recreational maths with 23950999940471808000
- 23950999940471808000 backwards is 00080817404999905932
- The number of decimal digits it has is: 20
- The sum of 23950999940471808000's digits is 87
- 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 23950999940471808000 - Facts about the integer". Numbermatics.com. 2024. Web. 16 May 2024.
APA style:
Numbermatics. (2024). Number 23950999940471808000 - Facts about the integer. Retrieved 16 May 2024, from https://numbermatics.com/n/23950999940471808000/
Chicago style:
Numbermatics. 2024. "Number 23950999940471808000 - Facts about the integer". https://numbermatics.com/n/23950999940471808000/
The information we have on file for 23950999940471808000 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 23950999940471808000, math, Factors of 23950999940471808000, curriculum, school, college, exams, university, Prime factorization of 23950999940471808000, STEM, science, technology, engineering, physics, economics, calculator, twenty-three quintillion, nine hundred fifty quadrillion, nine hundred ninety-nine trillion, nine hundred forty billion, four hundred seventy-one million, eight hundred eight thousand.