687060159801344000
687,060,159,801,344,000 is an even composite number composed of seven prime numbers multiplied together.
687060159801344000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, nine hundred twenty divisors.
Prime factorization of 687060159801344000:
214 × 53 × 7 × 19 × 23 × 157 × 698531
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 19 × 23 × 157 × 698531)See below for interesting mathematical facts about the number 687060159801344000 from the Numbermatics database.
Names of 687060159801344000
- Cardinal: 687060159801344000 can be written as Six hundred eighty-seven quadrillion, sixty trillion, one hundred fifty-nine billion, eight hundred one million, three hundred forty-four thousand.
Scientific notation
- Scientific notation: 6.87060159801344 × 1017
Factors of 687060159801344000
Divisors of 687060159801344000
- Number of divisors d(n): 1920
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 23 25 28 32 35 38 40 46 50 56 64 70 76 80 92 95 100 112 115 125 128 133 140 152 157 160 161 175 184 190 200 224 230 250 256 266 280 304 314 320 322 350 368 380 400 437 448 460 475 500 512 532 560 575 608 628 640 644 665 700 736 760 785 800 805 874 875 896 920 950 1000 1024 1064 1099 1120 1150 1216 1256 1280 1288 1330 1400 1472 1520 1570 1600 1610 1748 1750 1792 1840 1900 2000 2048 2128 2185 2198 2240 2300 2375 2432 2512 2560 2576 2660 2800 2875 2944 2983 3040 3059 3140 3200 3220 3325 3496 3500 3584 3611 3680 3800 3925 4000 4025 4096 4256 4370 4396 4480 4600 4750 4864 5024 5120 5152 5320 5495 5600 5750 5888 5966 6080 6118 6280 6400 6440 6650 6992 7000 7168 7222 7360 7600 7850 8000 8050 8192 8512 8740 8792 8960 9200 9500 9728 10048 10240 10304 10640 10925 10990 11200 11500 11776 11932 12160 12236 12560 12800 12880 13300 13984 14000 14336 14444 14720 14915 15200 15295 15700 16000 16100 16384 16625 17024 17480 17584 17920 18055 18400 19000 19456 19625 20096 20125 20480 20608 20881 21280 21850 21980 22400 23000 23552 23864 24320 24472 25120 25277 25600 25760 26600 27475 27968 28000 28672 28888 29440 29830 30400 30590 31400 32000 32200 33250 34048 34960 35168 35840 36110 36800 38000 38912 39250 40192 40250 40960 41216 41762 42560 43700 43960 44800 46000 47104 47728 48640 48944 50240 50554 51200 51520 53200 54625 54950 55936 56000 57344 57776 58880 59660 60800 61180 62800 64000 64400 66500 68096 68609 69920 70336 71680 72220 73600 74575 76000 76475 77824 78500 80384 80500 81920 82432 83524 85120 87400 87920 89600 90275 92000 94208 95456 97280 97888 100480 101108 102400 103040 104405 106400 109250 109900 111872 112000 114688 115552 117760 119320 121600 122360 125600 126385 128000 128800 133000 136192 137218 137375 139840 140672 143360 144440 147200 149150 152000 152950 155648 157000 160768 161000 164864 167048 170240 174800 175840 179200 180550 184000 188416 190912 194560 195776 200960 202216 204800 206080 208810 212800 218500 219800 223744 224000 231104 235520 238640 243200 244720 251200 252770 256000 257600 266000 272384 274436 274750 279680 281344 286720 288880 294400 298300 304000 305900 311296 314000 321536 322000 329728 334096 340480 343045 349600 351680 358400 361100 368000 372875 376832 381824 382375 389120 391552 401920 404432 409600 412160 417620 425600 437000 439600 447488 448000 451375 462208 471040 477280 480263 486400 489440 502400 505540 512000 515200 522025 532000 544768 548872 549500 559360 562688 573440 577760 588800 596600 608000 611800 628000 631925 643072 644000 659456 668192 680960 686090 698531 699200 703360 716800 722200 736000 745750 763648 764750 778240 783104 803840 808864 824320 835240 851200 874000 879200 894976 896000 902750 924416 942080 954560 960526 972800 978880 1004800 1011080 1024000 1030400 1044050 1064000 1089536 1097744 1099000 1118720 1125376 1155520 1177600 1193200 1216000 1223600 1256000 1263850 1286144 1288000 1318912 1336384 1361920 1372180 1397062 1398400 1406720 1433600 1444400 1472000 1491500 1527296 1529500 1556480 1566208 1607680 1617728 1648640 1670480 1702400 1715225 1748000 1758400 1789952 1792000 1805500 1848832 1884160 1909120 1921052 1945600 1957760 2009600 2022160 2048000 2060800 2088100 2128000 2179072 2195488 2198000 2237440 2250752 2311040 2355200 2386400 2401315 2432000 2447200 2512000 2527700 2572288 2576000 2610125 2637824 2672768 2723840 2744360 2794124 2796800 2813440 2867200 2888800 2944000 2983000 3054592 3059000 3132416 3159625 3215360 3235456 3297280 3340960 3404800 3430450 3492655 3496000 3516800 3579904 3584000 3611000 3697664 3818240 3842104 3891200 3915520 4019200 4044320 4121600 4176200 4256000 4390976 4396000 4474880 4501504 4622080 4710400 4772800 4802630 4864000 4889717 4894400 5024000 5055400 5152000 5220250 5345536 5447680 5488720 5588248 5593600 5626880 5777600 5888000 5966000 6109184 6118000 6264832 6319250 6430720 6470912 6594560 6681920 6809600 6860900 6985310 6992000 7033600 7159808 7168000 7222000 7395328 7636480 7684208 7782400 7831040 8038400 8088640 8243200 8352400 8512000 8576125 8781952 8792000 8949760 9003008 9244160 9420800 9545600 9605260 9728000 9779434 9788800 10048000 10110800 10304000 10440500 10691072 10895360 10977440 11176496 11187200 11253760 11555200 11776000 11932000 12006575 12218368 12236000 12529664 12638500 12861440 12941824 13189120 13272089 13363840 13619200 13721800 13970620 13984000 14067200 14336000 14444000 14790656 15272960 15368416 15662080 16066213 16076800 16177280 16486400 16704800 17024000 17152250 17463275 17563904 17584000 17899520 18006016 18488320 19091200 19210520 19456000 19558868 19577600 20096000 20221600 20608000 20881000 21382144 21954880 22352992 22374400 22507520 23110400 23552000 23864000 24013150 24436736 24448585 24472000 25059328 25277000 25883648 26544178 26727680 27238400 27443600 27941240 27968000 28134400 28888000 29581312 30545920 30736832 31324160 32132426 32153600 32354560 32972800 33409600 34048000 34304500 34926550 35127808 35168000 35799040 36976640 38182400 38421040 38912000 39117736 39155200 40192000 40443200 41216000 41762000 42764288 43909760 44705984 44748800 45015040 46220800 47104000 47728000 48026300 48873472 48897170 48944000 50118656 50554000 51767296 53088356 53455360 54476800 54887200 55882480 55936000 56268800 57776000 59162624 60032875 61091840 61473664 62648320 64264852 64307200 64709120 65945600 66360445 66819200 68096000 68609000 69853100 70255616 70336000 73953280 76364800 76842080 78235472 78310400 80331065 80384000 80886400 82432000 83524000 85528576 87316375 87819520 89411968 89497600 90030080 92441600 92904623 95456000 96052600 97794340 97888000 101108000 103534592 106176712 106910720 109669367 109774400 111764960 111872000 112463491 112537600 115552000 120065750 122183680 122242925 122947328 125296640 128529704 129418240 132720890 133638400 136192000 137218000 139706200 140511232 140672000 147906560 152729600 153684160 156470944 156620800 160662130 160768000 161772800 164864000 167048000 171057152 174632750 175639040 178823936 178995200 184883200 185809246 190912000 192105200 195588680 195776000 202216000 207069184 212353424 213821440 219338734 219548800 223529920 223744000 224926982 225075200 231104000 240131500 244367360 244485850 245894656 250593280 257059408 258836480 265441780 267276800 272384000 274436000 279412400 281022464 281344000 295813120 305258047 305459200 307368320 312941888 313241600 321324260 321536000 323545600 329728000 331802225 334096000 342114304 349265500 351278080 357647872 369766400 371618492 381824000 384210400 391177360 391552000 401655325 404432000 414138368 424706848 427642880 438677468 439097600 447059840 447488000 449853964 450150400 462208000 464523115 480263000 488971700 491789312 514118816 517672960 530883560 534553600 548346835 548872000 558824800 562044928 562317455 562688000 610516094 610918400 611214625 614736640 625883776 626483200 642648520 647091200 663604450 668192000 698531000 702556160 715295744 739532800 743236984 763648000 767685569 768420800 782354720 783104000 803310650 808864000 849413696 855285760 877354936 878195200 894119680 894976000 899707928 924416000 929046230 960526000 977943400 983578624 1028237632 1035345920 1061767120 1069107200 1096693670 1097744000 1117649600 1124089856 1124634910 1125376000 1221032188 1221836800 1222429250 1229473280 1251767552 1252966400 1285297040 1294182400 1327208900 1336384000 1397062000 1405112320 1430591488 1479065600 1486473968 1526290235 1527296000 1535371138 1536841600 1564709440 1566208000 1606621300 1617728000 1659011125 1698827392 1710571520 1754709872 1756390400 1788239360 1799415856 1848832000 1858092460 1921052000 1955886800 1967157248 2008276625 2056475264 2070691840 2083717973 2123534240 2136806329 2138214400 2193387340 2195488000 2235299200 2249269820 2250752000 2322615575 2442064376 2444858500 2458946560 2503535104 2522395441 2570594080 2588364800 2654417800 2672768000 2741734175 2794124000 2810224640 2811587275 2861182976 2972947936 3052580470 3054592000 3070742276 3073683200 3129418880 3132416000 3213242600 3235456000 3318022250 3397654784 3509419744 3512780800 3576478720 3598831712 3697664000 3716184920 3838427845 3842104000 3911773600 3934314496 4016553250 4112950528 4167435946 4247068480 4273612658 4276428800 4386774680 4390976000 4470598400 4498539640 4645231150 4884128752 4889717000 4917893120 5007070208 5044790882 5141188160 5176729600 5308835600 5345536000 5483468350 5588248000 5620449280 5623174550 5722365952 5945895872 6105160940 6109184000 6141484552 6147366400 6258837760 6264832000 6426485200 6470912000 6636044500 6795309568 7018839488 7025561600 7152957440 7197663424 7395328000 7432369840 7631451175 7676855690 7684208000 7823547200 7868628992 8033106500 8225901056 8334871892 8494136960 8547225316 8552857600 8773549360 8781952000 8941196800 8997079280 9290462300 9768257504 9779434000 9835786240 10014140416 10089581764 10282376320 10353459200 10418589865 10617671200 10684031645 10691072000 10966936700 11176496000 11246349100 11444731904 11613077875 11891791744 12210321880 12282969104 12294732800 12517675520 12611977205 12852970400 12941824000 13272089000 13590619136 13708670875 14037678976 14051123200 14057936375 14305914880 14395326848 14586025811 14864739680 15262902350 15353711380 15368416000 15647094400 16066213000 16451802112 16669743784 16988273920 17094450632 17547098720 17563904000 17656768087 17882393600 17994158560 18580924600 19192139225 19536515008 19558868000 19671572480 20028280832 20179163528 20564752640 20837179730 21235342400 21368063290 21382144000 21933873400 22352992000 22492698200 23226155750 23783583488 24420643760 24565938208 24589465600 25035351040 25223954410 25705940800 25883648000 26544178000 27181238272 27417341750 28075357952 28102246400 28115872750 28611829760 28790653696 29172051622 29729479360 30525804700 30707422760 30736832000 31294188800 32132426000 32903604224 33339487568 33976547840 34188901264 35094197440 35127808000 35313536174 35764787200 35988317120 37161849200 38157255875 38384278450 39073030016 39117736000 39343144960 40056561664 40358327056 41129505280 41674359460 42470684800 42736126580 42764288000 43867746800 44705984000 44985396400 46452311500 47567166976 47925513379 48841287520 49131876416 49178931200 50070702080 50447908820 51411881600 51767296000 52092949325 53088356000 53420158225 54362476544 54834683500 56150715904 56231745500 57223659520 57581307392 58344103244 59458958720 61051609400 61414845520 61473664000 62588377600 63059886025 64264852000 65807208448 66678975136 67953095680 68377802528 70188394880 70255616000 70627072348 71529574400 71976634240 72930129055 74323698400 76314511750 76768556900 78146060032 78235472000 80113123328 80716654112 82259010560 83348718920 84941369600 85472253160 87735493600 88283840435 89411968000 89970792800 92904623000 95134333952 95851026758 95960696125 97682575040 98263752832 98357862400 100141404160 100895817640 102823763200 104185898650 106176712000 106840316450 108724953088 109669367000 112301431808 112463491000 115162614784 116688206488 118917917440 122103218800 122829691040 122947328000 125176755200 126119772050 128529704000 131614416896 133357950272 135906191360 136755605056 140376789760 140511232000 141254144696 143059148800 143953268480 145860258110 148647396800 152629023500 153537113800 156292120064 156470944000 161433308224 164518021120 166697437840 169882739200 170944506320 175470987200 176567680870 178823936000 179941585600 185809246000 190268667904 191702053516 191921392250 195365150080 196527505664 196715724800 200282808320 201791635280 205647526400 208371797300 212353424000 213680632900 217449906176 219338734000 224602863616 224926982000 230325229568 233376412976 237835834880 239627566895 244206437600 245659382080 245894656000 250353510400 252239544100 257059408000 260464746625 263228833792 266715900544 267100791125 271812382720 273511210112 280753579520 282508289392 286118297600 287906536960 291720516220 297294793600 305258047000 307074227600 312584240128 312941888000 315299430125 322866616448 329036042240 333394875680 335478593653 339765478400 341889012640 350941974400 353135361740 357647872000 359883171200 364650645275 371618492000 380537335808 383404107032 383842784500 390730300160 393055011328 400565616640 403583270560 411295052800 416743594600 424706848000 427361265800 438677468000 441419202175 449205727232 449853964000 460650459136 466752825952 475671669760 479255133790 488412875200 491318764160 491789312000 500707020800 504479088200 514118816000 520929493250 533431801088 534201582250 543624765440 547022420224 561507159040 565016578784 575813073920 583441032440 594589587200 610516094000 614148455200 625168480256 625883776000 630598860250 645733232896 658072084480 666789751360 670957187306 679530956800 683778025280 701883948800 706270723480 715295744000 719766342400 729301290550 743236984000 761074671616 766808214064 767685569000 781460600320 786110022656 807166541120 822590105600 833487189200 849413696000 854722531600 877354936000 882838404350 898411454464 899707928000 921300918272 933505651904 951343339520 958510267580 976825750400 982637528320 983578624000 1001414041600 1008958176400 1028237632000 1041858986500 1066863602176 1068403164500 1087249530880 1094044840448 1123014318080 1130033157568 1151626147840 1166882064880 1189179174400 1198137834475 1221032188000 1228296910400 1250336960512 1251767552000 1261197720500 1291466465792 1316144168960 1333579502720 1341914374612 1359061913600 1367556050560 1403767897600 1412541446960 1430591488000 1439532684800 1458602581100 1486473968000 1522149343232 1533616428128 1535371138000 1562921200640 1572220045312 1614333082240 1645180211200 1666974378400 1677392968265 1698827392000 1709445063200 1754709872000 1765676808700 1796822908928 1799415856000 1823253226375 1842601836544 1867011303808 1902686679040 1917020535160 1953651500800 1965275056640 2002828083200 2017916352800 2056475264000 2083717973000 2133727204352 2136806329000 2188089680896 2207096010875 2246028636160 2260066315136 2303252295680 2333764129760 2378358348800 2396275668950 2442064376000 2456593820800 2500673921024 2503535104000 2522395441000 2582932931584 2667159005440 2683828749224 2718123827200 2735112101120 2807535795200 2825082893920 2879065369600 2917205162200 2972947936000 3067232856256 3070742276000 3125842401280 3144440090624 3228666164480 3290360422400 3333948756800 3354785936530 3397654784000 3418890126400 3509419744000 3531353617400 3598831712000 3646506452750 3734022607616 3805373358080 3834041070320 3907303001600 3930550113280 4035832705600 4112950528000 4167435946000 4267454408704 4273612658000 4376179361792 4414192021750 4492057272320 4520132630272 4606504591360 4667528259520 4756716697600 4792551337900 4884128752000 4913187641600 5001347842048 5007070208000 5044790882000 5165865863168 5334318010880 5367657498448 5436247654400 5470224202240 5615071590400 5650165787840 5758130739200 5834410324400 5945895872000 5990689172375 6134465712512 6141484552000 6251684802560 6288880181248 6457332328960 6580720844800 6667897513600 6709571873060 6795309568000 6837780252800 7018839488000 7062707234800 7197663424000 7293012905500 7468045215232 7610746716160 7668082140640 7814606003200 7861100226560 8071665411200 8225901056000 8334871892000 8386964841325 8534908817408 8547225316000 8752358723584 8828384043500 8984114544640 9040265260544 9213009182720 9335056519040 9513433395200 9585102675800 9768257504000 9826375283200 10014140416000 10089581764000 10331731726336 10668636021760 10735314996896 10940448404480 11230143180800 11300331575680 11516261478400 11668820648800 11891791744000 11981378344750 12268931425024 12282969104000 12503369605120 12577760362496 12914664657920 13335795027200 13419143746120 13590619136000 13675560505600 14037678976000 14125414469600 14395326848000 14586025811000 14936090430464 15336164281280 15629212006400 15722200453120 16143330822400 16451802112000 16669743784000 16773929682650 17069817634816 17094450632000 17504717447168 17656768087000 18080530521088 18670113038080 19026866790400 19170205351600 19536515008000 19652750566400 20179163528000 20663463452672 21337272043520 21470629993792 21880896808960 22460286361600 22600663151360 23032522956800 23337641297600 23783583488000 23962756689500 24537862850048 24565938208000 25006739210240 25829329315840 26671590054400 26838287492240 27181238272000 27351121011200 28075357952000 28250828939200 28790653696000 29172051622000 29872180860928 30672328562560 31258424012800 31444400906240 32286661644800 32903604224000 33339487568000 33547859365300 34139635269632 34188901264000 35009434894336 35313536174000 36161061042176 37340226076160 38053733580800 38340410703200 39073030016000 39305501132800 40358327056000 41326926905344 41934824206625 42674544087040 42941259987584 43761793617920 44920572723200 45201326302720 46065045913600 46675282595200 47567166976000 47925513379000 49075725700096 49131876416000 51658658631680 53343180108800 53676574984480 54702242022400 56150715904000 56501657878400 57581307392000 58344103244000 59744361721856 61344657125120 62516848025600 62888801812480 64573323289600 66678975136000 67095718730600 68377802528000 70627072348000 72322122084352 74680452152320 76680821406400 78146060032000 78611002265600 80716654112000 83869648413250 85349088174080 85882519975168 87523587235840 90402652605440 93350565190400 95134333952000 95851026758000 98151451400192 98263752832000 103317317263360 106686360217600 107353149968960 109404484044800 112301431808000 113003315756800 115162614784000 116688206488000 119488723443712 122689314250240 125033696051200 129146646579200 133357950272000 134191437461200 136755605056000 141254144696000 144644244168704 149360904304640 153361642812800 156292120064000 157222004531200 161433308224000 167739296826500 170698176348160 171765039950336 175047174471680 180805305210880 186701130380800 190268667904000 191702053516000 196302902800384 196527505664000 206634634526720 213372720435200 214706299937920 218808968089600 224602863616000 226006631513600 230325229568000 233376412976000 238977446887424 245378628500480 258293293158400 266715900544000 268382874922400 273511210112000 282508289392000 289288488337408 298721808609280 306723285625600 312584240128000 314444009062400 322866616448000 335478593653000 343530079900672 361610610421760 373402260761600 383404107032000 392605805600768 393055011328000 426745440870400 429412599875840 437617936179200 452013263027200 466752825952000 490757257000960 516586586316800 533431801088000 536765749844800 547022420224000 565016578784000 597443617218560 613446571251200 625168480256000 645733232896000 670957187306000 687060159801344 723221220843520 746804521523200 766808214064000 785211611201536 786110022656000 853490881740800 858825199751680 875235872358400 904026526054400 933505651904000 981514514001920 1033173172633600 1066863602176000 1073531499689600 1094044840448000 1130033157568000 1194887234437120 1226893142502400 1291466465792000 1341914374612000 1374120319602688 1446442441687040 1493609043046400 1533616428128000 1572220045312000 1717650399503360 1808053052108800 1867011303808000 1963029028003840 2133727204352000 2147062999379200 2188089680896000 2260066315136000 2453786285004800 2582932931584000 2683828749224000 2748240639205376 2987218086092800 3067232856256000 3435300799006720 3616106104217600 3734022607616000 3926058056007680 4267454408704000 4294125998758400 4376179361792000 4520132630272000 4907572570009600 5165865863168000 5367657498448000 5496481278410752 5974436172185600 6134465712512000 6870601598013440 7232212208435200 7468045215232000 8588251997516800 9040265260544000 9815145140019200 10735314996896000 12268931425024000 13741203196026880 14936090430464000 17176503995033600 18080530521088000 19630290280038400 21470629993792000 24537862850048000 27482406392053760 29872180860928000 34353007990067200 36161061042176000 42941259987584000 49075725700096000 68706015980134400 85882519975168000 98151451400192000 137412031960268800 171765039950336000 343530079900672000 687060159801344000
- Sum of all divisors σ(n): 2166386281683886080
- Sum of proper divisors (its aliquot sum) s(n): 1479326121882542080
- 687060159801344000 is an abundant number, because the sum of its proper divisors (1479326121882542080) is greater than itself. Its abundance is 792265962081198080
Bases of 687060159801344000
- Binary: 1001100010001110110110010011001111000100100001000000000000002
- Hexadecimal: 0x988ED933C484000
- Base-36: 57X2I02Q2Z28
Squares and roots of 687060159801344000
- 687060159801344000 squared (6870601598013440002) is 472051663186248353749544206336000000
- 687060159801344000 cubed (6870601598013440003) is 324327891143234008524971089369815719906115584000000000
-
The
square root of 687060159801344000 is 828890921.5339157037 -
The
cube root of 687060159801344000 is 882398.8268166977
Scales and comparisons
How big is 687060159801344000?- 687,060,159,801,344,000 seconds is equal to 21,846,387,865 years, 3 weeks, 4 days, 22 hours, 13 minutes, 20 seconds.
-
To count from 1 to 687,060,159,801,344,000 would take you about sixty-five billion, five hundred thirty-nine million, one hundred sixty-three thousand, five hundred ninety-five 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 687060159801344000 cubic inches would be around 73533.2 feet tall.
Recreational maths with 687060159801344000
- 687060159801344000 backwards is 000443108951060786
- The number of decimal digits it has is: 18
- The sum of 687060159801344000's digits is 62
- 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 687060159801344000 - Facts about the integer". Numbermatics.com. 2024. Web. 31 May 2024.
APA style:
Numbermatics. (2024). Number 687060159801344000 - Facts about the integer. Retrieved 31 May 2024, from https://numbermatics.com/n/687060159801344000/
Chicago style:
Numbermatics. 2024. "Number 687060159801344000 - Facts about the integer". https://numbermatics.com/n/687060159801344000/
The information we have on file for 687060159801344000 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 687060159801344000, math, Factors of 687060159801344000, curriculum, school, college, exams, university, Prime factorization of 687060159801344000, STEM, science, technology, engineering, physics, economics, calculator, six hundred eighty-seven quadrillion, sixty trillion, one hundred fifty-nine billion, eight hundred one million, three hundred forty-four thousand.