280085560072920800
280,085,560,072,920,800 is an even composite number composed of seven prime numbers multiplied together.
What does the number 280085560072920800 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 1944 divisors.
280085560072920800 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, nine hundred forty-four divisors.
Prime factorization of 280085560072920800:
25 × 52 × 11 × 29 × 732 × 1132 × 1272
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 11 × 29 × 73 × 73 × 113 × 113 × 127 × 127)See below for interesting mathematical facts about the number 280085560072920800 from the Numbermatics database.
Names of 280085560072920800
- Cardinal: 280085560072920800 can be written as Two hundred eighty quadrillion, eighty-five trillion, five hundred sixty billion, seventy-two million, nine hundred twenty thousand, eight hundred.
Scientific notation
- Scientific notation: 2.800855600729208 × 1017
Factors of 280085560072920800
Divisors of 280085560072920800
- Number of divisors d(n): 1944
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 25 29 32 40 44 50 55 58 73 80 88 100 110 113 116 127 145 146 160 176 200 220 226 232 254 275 290 292 319 352 365 400 440 452 464 508 550 565 580 584 635 638 725 730 800 803 880 904 928 1016 1100 1130 1160 1168 1243 1270 1276 1397 1450 1460 1595 1606 1760 1808 1825 2032 2117 2200 2260 2320 2336 2486 2540 2552 2794 2825 2900 2920 3175 3190 3212 3277 3616 3650 3683 4015 4064 4234 4400 4520 4640 4972 5080 5104 5329 5588 5650 5800 5840 6215 6350 6380 6424 6554 6985 7300 7366 7975 8030 8249 8468 8800 9040 9271 9944 10160 10208 10585 10658 11176 11300 11600 11680 12430 12700 12760 12769 12848 13108 13970 14351 14600 14732 15950 16060 16129 16385 16498 16936 18080 18415 18542 19888 20075 20320 21170 21316 22352 22600 23200 23287 24860 25400 25520 25538 25696 26216 26645 27940 28702 29200 29464 31075 31900 32120 32258 32770 32996 33872 34925 36047 36830 37084 39776 40150 40513 41245 42340 42632 44704 45200 46355 46574 49720 50800 51040 51076 52432 52925 53290 55880 57404 58400 58619 58928 62150 63800 63845 64240 64516 65540 65992 67744 69850 71755 72094 73660 74168 80300 80645 81026 81925 82490 84680 85264 90400 90739 92075 92710 93148 99440 101600 101981 102152 104864 105850 106580 111760 114808 116435 117238 117856 124300 127600 127690 128480 129032 131080 131984 133225 139700 140459 143510 144188 147320 148336 154541 157861 160600 161290 162052 163850 164980 169360 170528 177419 180235 181478 184150 185420 186296 198880 202565 203962 204304 206225 211700 213160 223520 229616 231775 232870 234476 239221 248600 255200 255380 258064 262160 263968 266450 268859 279400 280918 287020 288376 293095 294640 296672 309082 315722 319225 321200 322580 324104 327700 329960 338720 354838 358775 360470 362956 368300 370301 370840 372592 403225 405130 407924 408608 412450 416179 423400 426320 453695 459232 463550 465740 467741 468952 478442 497200 509905 510760 516128 524320 532900 537718 558800 561836 574040 576752 582175 586190 589280 602177 618164 631444 638450 642400 645160 648208 655400 659920 676783 702295 709676 717550 720940 725912 736600 740602 741680 745184 772705 789305 806450 810260 815848 824900 832358 846800 852640 887095 901175 907390 927100 931480 932137 935482 937904 956884 994400 1012825 1019810 1021520 1047623 1065800 1075436 1117600 1123672 1148080 1153504 1164350 1172380 1177417 1196105 1204354 1236328 1262888 1276900 1290320 1296416 1310800 1319840 1344295 1353566 1404590 1419352 1435100 1441880 1451824 1465475 1473200 1481204 1483360 1545410 1578610 1612900 1620520 1621663 1631696 1649800 1664716 1693600 1699951 1774190 1802350 1814780 1822577 1851505 1854200 1862960 1864274 1870964 1875808 1913768 2025650 2039620 2043040 2080895 2095246 2131600 2150872 2247344 2268475 2296160 2328700 2338705 2344760 2354834 2392210 2408708 2472656 2525776 2549525 2553800 2580640 2621600 2631431 2688590 2707132 2809180 2838704 2870200 2883760 2903648 2930950 2946400 2957449 2962408 3010885 3090820 3157220 3225800 3241040 3243326 3263392 3299600 3329432 3383915 3399902 3511475 3548380 3604700 3629560 3645154 3703010 3708400 3725920 3728548 3741928 3827536 3863525 3946525 4051300 4073311 4079240 4161790 4190492 4263200 4301744 4435475 4494688 4536950 4577969 4657400 4660685 4677410 4689520 4709668 4784420 4817416 4945312 5051552 5099050 5107600 5145151 5238115 5262862 5377180 5414264 5618360 5677408 5740400 5767520 5861900 5887085 5914898 5924816 5980525 6021770 6181640 6314440 6451600 6482080 6486652 6599200 6623947 6658864 6721475 6767830 6799804 7022950 7096760 7209400 7259120 7290308 7406020 7416800 7444613 7457096 7483856 7655072 7727050 7893050 8102600 8108315 8146622 8158480 8323580 8380984 8499755 8603488 8870950 9073900 9112885 9155938 9257525 9314800 9321370 9354820 9379040 9419336 9568840 9634832 10198100 10215200 10253507 10290302 10404475 10476230 10525724 10754360 10828528 11236720 11480800 11523853 11693525 11723800 11774170 11829796 11849632 11961050 12043540 12363280 12628880 12903200 12951587 12973304 13157155 13247894 13317728 13442950 13535660 13599608 14045900 14193520 14418800 14518240 14580616 14787245 14812040 14889226 14914192 14967712 15054425 15454100 15786100 16205200 16216630 16293244 16316960 16647160 16761968 16919575 16999510 17463133 17741900 17838293 18147800 18225770 18311876 18515050 18629600 18642740 18709640 18838672 19137680 19269664 19626707 20048347 20366555 20396200 20507014 20580604 20808950 20952460 21051448 21508720 21657056 22473440 22889845 23047706 23303425 23387050 23447600 23548340 23659592 23922100 24087080 24726560 25257760 25725755 25903174 25946608 26190575 26314310 26495788 26885900 27031973 27071320 27199216 28091800 28387040 28837600 29161232 29435425 29574490 29624080 29778452 29828384 30108850 30381067 30908200 31572200 32410400 32433260 32586488 33119735 33294320 33523936 33839150 33999020 34145093 34926266 35483800 35676586 36295600 36451540 36623752 37030100 37223065 37285480 37419280 37677344 38275360 39253414 40096694 40541575 40733110 40792400 41014028 41161208 41617900 41904920 42102896 42498775 43017440 45564425 45779690 46095412 46606850 46774100 46895200 47028227 47096680 47319184 47844200 48174160 51267535 51451510 51806348 51893216 52381150 52628620 52854733 52991576 53771800 54063946 54142640 54398432 56183600 57619265 58322464 58870850 59148980 59248160 59556904 60217700 60762134 61816400 63144400 64757935 64866520 65172976 65785775 66239470 66588640 67678300 67998040 68046001 68290186 69852532 70967600 71353172 72591200 72903080 73247504 73936225 74060200 74446130 74570960 74838560 76476479 78506828 80193388 81083150 81466220 81584800 82028056 82322416 83235800 83809840 84205792 84997550 85951441 87315665 89191465 91128850 91559380 92190824 93213700 93548200 94056454 94193360 94638368 95688400 96348320 98133535 100241735 101832775 102535070 102903020 103612696 104762300 105257240 105709466 105983152 107543600 108127892 108285280 112367200 114449225 115238530 117741700 118297960 118381399 119113808 120435400 121524268 123632800 126288800 128628775 129515870 129733040 130345952 131571550 132478940 133048121 135159865 135356600 135996080 136092002 136580372 139705064 141935200 142706344 145806160 146495008 147872450 148120400 148892260 149141920 151905335 152952958 157013656 160386776 162166300 162932440 164056112 164644832 165598675 166471600 167619680 169995100 170725465 171902882 174631330 178382930 182257700 183118760 184381648 186115325 186427400 187096400 188112908 188386720 191376800 192094463 196267070 200483470 203665550 205070140 205806040 205951201 207225392 209524600 210514480 211418932 211966304 215087200 215893777 216255784 228898450 230477060 235141135 235483400 236595920 236762798 238227616 240870800 243048536 256337675 257257550 259031740 259466080 263143100 264273665 264957880 266096242 270319730 270713200 271992160 272184004 273160744 279410128 285412688 288096325 291612320 295744900 296240800 297351703 297784520 303810670 305905916 314027312 320773552 323789675 324332600 325864880 328112224 331197350 332943200 334191737 339990200 340230005 341450930 343805764 349262660 356765860 364515400 366237520 368763296 372230650 372854800 374192800 375596023 376225816 382382395 384188926 392534140 400966940 407331100 410140280 411612080 411902402 414450784 419049200 421028960 422837864 429757205 431787554 432511568 436578325 445957325 457796900 460954120 470282270 470966800 473191840 473525596 481741600 486097072 490667675 501208675 512675350 514515100 517310497 518063480 526286200 528547330 529915760 532192484 540639460 541426400 544368008 546321488 558820256 570825376 576192650 581402063 591489800 591906995 594703406 595569040 607621340 611811832 628054624 641547104 647579350 648665200 651729760 662394700 665240605 668383474 675799325 679980400 680460010 682901860 687611528 698525320 713531720 729030800 732475040 744461300 745709600 748506011 751192046 752451632 759526675 764764790 768377852 785068280 801933880 814662200 820280560 823224160 823804804 838098400 841241269 845675728 853627325 859514410 863575108 865023136 873156650 891914650 915593800 921908240 940564540 941933600 945465851 947051192 960472315 972194144 981335350 1002417350 1025350700 1029030200 1029756005 1034620994 1036126960 1052572400 1057094660 1059831520 1064384968 1079468885 1081278920 1088736016 1092642976 1152385300 1162804126 1175705675 1182979600 1183813990 1189406812 1191138080 1215242680 1223623664 1295158700 1297330400 1302195389 1321368325 1324789400 1330481210 1336766948 1351598650 1359960800 1360920020 1365803720 1375223056 1397050640 1427063440 1458061600 1463529331 1486758515 1488922600 1497012022 1502384092 1504903264 1519053350 1529529580 1536755704 1570136560 1603867760 1629324400 1640561120 1647609608 1670958685 1682482538 1691351456 1701150025 1707254650 1719028820 1727150216 1746313300 1783829300 1831187600 1843816480 1877980115 1881129080 1890931702 1894102384 1911911975 1920944630 1962670700 1973334029 2004834700 2050701400 2058060400 2059512010 2069241988 2072253920 2105144800 2114189320 2128769936 2148786025 2158937770 2162557840 2177472032 2217817891 2265463211 2304770600 2325608252 2351411350 2365959200 2367627980 2378813624 2430485360 2447247328 2492591789 2586552485 2590317400 2604390778 2642736650 2649578800 2660962420 2673533896 2703197300 2721840040 2731607440 2750446112 2794101280 2854126880 2907010315 2927058662 2959534975 2973517030 2977845200 2994024044 3004768184 3038106700 3059059160 3073511408 3140273120 3207735520 3258648800 3295219216 3326203025 3341917370 3364965076 3402300050 3414509300 3433060571 3438057640 3454300432 3492626600 3567658600 3662375200 3742530055 3755960230 3762258160 3781863404 3788204768 3823823950 3841889260 3858395509 3925341400 3946668058 4009669400 4101402800 4116120800 4119024020 4138483976 4206206345 4228378640 4257539872 4297572050 4317875540 4325115680 4435635782 4530926422 4609541200 4651216504 4702822700 4727329255 4735255960 4757627248 4802361575 4860970720 4985183578 5148780025 5173104970 5180634800 5208781556 5285473300 5299157600 5321924840 5347067792 5397344425 5406394600 5443680080 5463214880 5814020630 5854117324 5919069950 5947034060 5955690400 5972584829 5988048088 6009536368 6076213400 6118118320 6147022816 6510976945 6590438432 6652406050 6683834740 6729930152 6804600100 6829018600 6866121142 6876115280 6908600864 6985253200 7135317200 7317646655 7433792575 7485060110 7511920460 7524516320 7563726808 7647647900 7683778520 7716791018 7850682800 7893336116 8019338800 8202805600 8238048040 8276967952 8354793425 8412412690 8456757280 8595144100 8635751080 8641842127 8871271564 9061852844 9219082400 9302433008 9389900575 9405645400 9454658510 9470511920 9515254496 9604723150 9712512833 9866670145 9970367156 10297560050 10346209940 10361269600 10417563112 10570946600 10643849680 10694135584 10794688850 10812789200 10887360160 11089089455 11327316055 11628041260 11708234648 11838139900 11894068120 11945169658 11976096176 12019072736 12152426800 12236236640 12462958945 12932762425 13021953890 13304812100 13367669480 13459860304 13609200200 13658037200 13732242284 13752230560 13970506400 14270634400 14535051575 14635293310 14867585150 14970120220 15023840920 15034437673 15127453616 15295295800 15367557040 15433582036 15701365600 15786672232 16038677600 16476096080 16553935904 16709586850 16824825380 17165302855 17190288200 17271502160 17283684254 17742543128 18123705688 18604866016 18712650275 18779801150 18811290800 18909317020 18941023840 19209446300 19291977545 19425025666 19733340290 19940734312 20595120100 20692419880 20835126224 21031031725 21141893200 21287699360 21589377700 21625578400 21706674319 22178178910 22654632110 23256082520 23416469296 23636646275 23676279800 23788136240 23890339316 23952192352 24304853600 24395996801 24925917890 25865524850 26043907780 26609624200 26735338960 26919720608 27218400400 27316074400 27418509679 27464484568 29070103150 29270586620 29735170300 29862924145 29940240440 30047681840 30068875346 30254907232 30590591600 30735114080 30867164072 31573344464 32554884725 32952192160 33419173700 33649650760 34330605710 34380576400 34543004320 34567368508 35485086256 36247411376 36588233275 37425300550 37559602300 37622581600 37763666281 37818634040 38418892600 38583955090 38850051332 39466680580 39881468624 41190240200 41384839760 41670252448 42062063450 42283786400 42442350599 43178755400 43209210635 43413348638 44356357820 45309264220 46512165040 46832938592 47273292550 47352559600 47576272480 47780678632 48562564165 48791993602 49333350725 49851835780 51731049700 52087815560 53219248400 53470677920 54436800800 54837019358 54928969136 55445447275 56636580275 58140206300 58541173240 59470340600 59725848290 59880480880 60095363680 60137750692 61181183200 61734328144 62314794725 63146688928 65109769450 65698433119 66838347400 67299301520 68661211420 68761152800 69134737016 70970172512 72494822752 73176466550 74850601100 75119204600 75172188365 75527332562 75637268080 76837785200 77167910180 77700102664 78933361160 79762937248 82380480400 82769679520 84124126900 84884701198 85826514275 86357510800 86418421270 86826697276 88712715640 90618528440 93024330080 94546585100 94705119200 95060263397 95561357264 96459887725 97125128330 97583987204 98666701450 99703671560 103462099400 104175631120 106438496800 106837641163 108533371595 109674038716 109857938272 110890894550 113273160550 116280412600 117082346480 118940681200 119451696580 119760961760 120275501384 121979984005 123468656288 124629589450 130219538900 131396866238 133676694800 134598603040 137092548395 137322422840 138269474032 146352933100 149314620725 149701202200 150238409200 150344376730 151054665124 151274536160 153675570400 154335820360 155400205328 157866722320 164760960800 165378814403 168248253800 169769402396 171653028550 172715021600 172836842540 173653394552 177425431280 181237056880 188818331405 189093170200 190120526794 191122714528 192919775450 194250256660 195167974408 197333402900 199407343120 206924198800 208351262240 212211752995 213675282326 216046053175 217066743190 219348077432 221781789100 226546321100 232560825200 234164692960 237881362400 238903393160 240551002768 242812820825 243959968010 249259178900 250613421683 260439077800 262793732476 267353389600 274185096790 274644845680 276538948064 281662872157 292705866200 298629241450 299402404400 300476818400 300688753460 302109330248 308671640720 310800410656 315733444640 328492165595 330757628806 336496507600 339538804792 343306057100 345673685080 347306789104 354850862560 362474113760 375860941825 377636662810 378186340400 380241053588 385839550900 388500513320 390335948816 394666805800 398814686240 413848397600 424423505990 427350564652 432092106350 434133486380 435998692517 438696154864 443563578200 453092642200 465121650400 475301316985 477806786320 481102005536 485625641650 487919936020 498518357800 501226843366 520878155600 525587464952 534188205815 542666857975 548370193580 549289691360 563325744314 585411732400 597258482900 598804808800 601377506920 604218660496 609899920025 617343281440 656984331190 661515257612 672993015200 679077609584 685462741975 686612114200 691347370160 694613578208 751721883650 755273325620 756372680800 760482107176 771679101800 777001026640 780671897632 789333611600 826894072015 848847011980 854701129304 864184212700 868266972760 871997385034 877392309728 887127156400 906185284400 944091657025 950602633970 955613572640 971251283300 975839872040 997036715600 1002453686732 1041756311200 1051174929904 1061058764975 1068376411630 1085333715950 1096740387160 1097513950129 1126651488628 1170823464800 1194516965800 1202755013840 1208437320992 1219799840050 1253067108415 1313968662380 1323030515224 1358155219168 1370925483950 1373224228400 1382694740320 1408314360785 1503443767300 1510546651240 1520964214352 1543358203600 1554002053280 1578667223200 1642460827975 1653788144030 1697694023960 1709402258608 1728368425400 1736533945520 1743994770068 1774254312800 1812370568800 1888183314050 1901205267940 1942502566600 1951679744080 1994073431200 2004907373464 2102349859808 2122117529950 2136752823260 2170667431900 2179993462585 2193480774320 2195027900258 2253302977256 2376506584925 2389033931600 2405510027680 2439599680100 2506134216830 2627937324760 2646061030448 2670941029075 2741850967900 2746448456800 2756747638513 2816628721570 3006887534600 3021093302480 3041928428704 3086716407200 3098291593727 3284921655950 3307576288060 3395388047920 3418804517216 3456736850800 3473067891040 3487989540136 3776366628100 3802410535880 3885005133200 3903359488160 4009814746928 4134470360075 4244235059900 4273505646520 4341334863800 4359986925170 4386961548640 4390055800516 4506605954512 4753013169850 4778067863200 4795985617687 4879199360200 5012268433660 5255874649520 5292122060896 5341882058150 5483701935800 5487569750645 5513495277026 5633257443140 6013775069200 6042186604960 6196583187454 6265335542075 6569843311900 6615152576120 6790776095840 6913473701600 6975979080272 7041571803925 7552733256200 7604821071760 7770010266400 8019629493856 8268940720150 8488470119800 8547011293040 8682669727600 8719973850340 8780111601032 9013211909024 9506026339700 9591971235374 9758398720400 10024536867320 10511749299040 10683764116300 10899967312925 10967403871600 10975139501290 11026990554052 11266514886280 12027550138400 12072653451419 12393166374908 12530671084150 13139686623800 13230305152240 13783738192565 13951958160544 14083143607850 15105466512400 15209642143520 15491457968635 16537881440300 16976940239600 17094022586080 17365339455200 17439947700680 17560223202064 19012052679400 19183942470748 19516797440800 20049073734640 21367528232600 21799934625850 21934807743200 21950279002580 22053981108104 22533029772560 23979928088435 24145306902838 24786332749816 25061342168300 26279373247600 26460610304480 27437848753225 27567476385130 28166287215700 30210933024800 30982915937270 31827904553741 33075762880600 33953880479200 34879895401360 35120446404128 38024105358800 38367884941496 40098147469280 42735056465200 43599869251700 43900558005160 44107962216208 45066059545120 47959856176870 48290613805676 49572665499632 50122684336600 52558746495200 54875697506450 55134952770260 56332574431400 60363267257095 61965831874540 63655809107482 66151525761200 68918690962825 69759790802720 76048210717600 76735769882992 77457289843175 85470112930400 87199738503400 87801116010320 88215924432416 95919712353740 96581227611352 99145330999264 100245368673200 109751395012900 110269905540520 112665148862800 119899640442175 120726534514190 123931663749080 127311618214964 132303051522400 137837381925650 153471539765984 154914579686350 159139522768705 174399477006800 175602232020640 191839424707480 193162455222704 200490737346400 219502790025800 220539811081040 225330297725600 239799280884350 241453069028380 247863327498160 254623236429928 275674763851300 301816336285475 309829159372700 318279045537410 348798954013600 350106950091151 383678849414960 386324910445408 439005580051600 441079622162080 479598561768700 482906138056760 495726654996320 509246472859856 551349527702600 603632672570950 619658318745400 636558091074820 700213900182302 767357698829920 795697613843525 878011160103200 959197123537400 965812276113520 1018492945719712 1102699055405200 1207265345141900 1239316637490800 1273116182149640 1400427800364604 1591395227687050 1750534750455755 1918394247074800 1931624552227040 2205398110810400 2414530690283800 2478633274981600 2546232364299280 2800855600729208 3182790455374100 3501069500911510 3836788494149600 4829061380567600 5092464728598560 5601711201458416 6365580910748200 7002139001823020 8752673752278775 9658122761135200 11203422402916832 12731161821496400 14004278003646040 17505347504557550 25462323642992800 28008556007292080 35010695009115100 56017112014584160 70021390018230200 140042780036460400 280085560072920800
- Sum of all divisors σ(n): 795604304451214440
- Sum of proper divisors (its aliquot sum) s(n): 515518744378293640
- 280085560072920800 is an abundant number, because the sum of its proper divisors (515518744378293640) is greater than itself. Its abundance is 235433184305372840
Bases of 280085560072920800
- Binary: 11111000110001000001010101001110101101110011011110111000002
- Hexadecimal: 0x3E310553ADCDEE0
- Base-36: 24LU1LZSK1Y8
Squares and roots of 280085560072920800
- 280085560072920800 squared (2800855600729208002) is 78447920961361726212613443072640000
- 280085560072920800 cubed (2800855600729208003) is 21972129879019222603665781431333237438011366912000000
-
The
square root of 280085560072920800 is 529231102.7074285625 -
The
cube root of 280085560072920800 is 654279.8916019589
Scales and comparisons
How big is 280085560072920800?- 280,085,560,072,920,800 seconds is equal to 8,905,854,448 years, 41 weeks, 3 days, 12 hours, 13 minutes, 20 seconds.
-
To count from 1 to 280,085,560,072,920,800 would take you about twenty-six billion, seven hundred seventeen million, five hundred sixty-three thousand, three hundred forty-six 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 280085560072920800 cubic inches would be around 54523.3 feet tall.
Recreational maths with 280085560072920800
- 280085560072920800 backwards is 008029270065580082
- The number of decimal digits it has is: 18
- The sum of 280085560072920800'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 280085560072920800 - Facts about the integer". Numbermatics.com. 2024. Web. 25 June 2024.
APA style:
Numbermatics. (2024). Number 280085560072920800 - Facts about the integer. Retrieved 25 June 2024, from https://numbermatics.com/n/280085560072920800/
Chicago style:
Numbermatics. 2024. "Number 280085560072920800 - Facts about the integer". https://numbermatics.com/n/280085560072920800/
The information we have on file for 280085560072920800 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 280085560072920800, math, Factors of 280085560072920800, curriculum, school, college, exams, university, Prime factorization of 280085560072920800, STEM, science, technology, engineering, physics, economics, calculator, two hundred eighty quadrillion, eighty-five trillion, five hundred sixty billion, seventy-two million, nine hundred twenty thousand, eight hundred.