50471222403840
50,471,222,403,840 is an even composite number composed of nine prime numbers multiplied together.
50471222403840 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of two thousand, three hundred four divisors.
Prime factorization of 50471222403840:
28 × 3 × 5 × 7 × 17 × 23 × 79 × 89 × 683
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 17 × 23 × 79 × 89 × 683)See below for interesting mathematical facts about the number 50471222403840 from the Numbermatics database.
Names of 50471222403840
- Cardinal: 50471222403840 can be written as Fifty trillion, four hundred seventy-one billion, two hundred twenty-two million, four hundred three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 5.047122240384 × 1013
Factors of 50471222403840
Divisors of 50471222403840
- Number of divisors d(n): 2304
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 23 24 28 30 32 34 35 40 42 46 48 51 56 60 64 68 69 70 79 80 84 85 89 92 96 102 105 112 115 119 120 128 136 138 140 158 160 161 168 170 178 184 192 204 210 224 230 237 238 240 255 256 267 272 276 280 316 320 322 336 340 345 356 357 368 384 391 395 408 420 445 448 460 474 476 480 483 510 534 544 552 553 560 595 623 632 640 644 672 680 683 690 712 714 736 768 782 790 805 816 840 890 896 920 948 952 960 966 1020 1068 1088 1104 1106 1120 1173 1185 1190 1246 1264 1280 1288 1335 1343 1344 1360 1366 1380 1424 1428 1472 1513 1564 1580 1610 1632 1659 1680 1780 1785 1792 1817 1840 1869 1896 1904 1920 1932 1955 2040 2047 2049 2136 2176 2208 2212 2240 2346 2370 2380 2415 2492 2528 2576 2670 2686 2688 2720 2732 2737 2760 2765 2848 2856 2944 3026 3115 3128 3160 3220 3264 3318 3360 3415 3560 3570 3634 3680 3738 3792 3808 3840 3864 3910 4029 4080 4094 4098 4272 4352 4416 4424 4480 4539 4692 4740 4760 4781 4830 4984 5056 5152 5340 5372 5376 5440 5451 5464 5474 5520 5530 5696 5712 5865 5888 6052 6141 6230 6256 6320 6440 6528 6636 6715 6720 6830 7031 7120 7140 7268 7360 7476 7565 7584 7616 7728 7820 8058 8160 8188 8196 8211 8295 8544 8832 8848 8960 9078 9085 9345 9384 9401 9480 9520 9562 9660 9968 10112 10235 10245 10304 10591 10680 10744 10880 10902 10928 10948 11040 11060 11392 11424 11611 11730 12104 12282 12460 12512 12640 12719 12880 13056 13272 13430 13440 13660 13685 14062 14240 14280 14329 14343 14536 14720 14952 15130 15168 15232 15456 15640 15709 16116 16320 16376 16392 16422 16590 17088 17664 17696 18156 18170 18690 18768 18802 18960 19040 19124 19320 19936 20145 20224 20470 20490 20608 21093 21182 21360 21488 21760 21804 21856 21896 22080 22120 22695 22784 22848 23222 23460 23905 24208 24564 24920 25024 25280 25438 25760 26544 26860 26880 27255 27320 27370 28124 28203 28480 28560 28658 28686 29072 29440 29904 30260 30336 30464 30705 30889 30912 31280 31418 31773 32232 32640 32752 32784 32844 33180 34176 34799 34833 35155 35392 36312 36340 37380 37536 37604 37920 38080 38157 38248 38640 39872 40290 40940 40980 41055 41216 42186 42364 42720 42976 42987 43608 43712 43792 44160 44240 45390 45696 46444 46920 47005 47127 47810 48416 49128 49217 49840 50048 50560 50876 51520 52955 53088 53720 53957 54510 54640 54740 56248 56406 56960 57120 57316 57372 58055 58144 59808 60520 60672 60787 61410 61778 61824 62560 62836 63546 63595 64464 65280 65504 65568 65688 66360 68352 69598 69666 70310 70784 71645 71715 72624 72680 74760 75072 75208 75840 76160 76314 76496 77280 78545 79744 80580 81277 81880 81960 82110 84372 84728 85440 85952 85974 87216 87424 87584 88320 88480 90780 91392 92667 92888 93840 94010 94254 95620 96832 98256 98434 99680 100096 101120 101752 103040 104397 105465 105910 106176 107440 107914 109020 109280 109480 109963 112496 112812 113920 114240 114632 114744 116110 116288 119527 119616 121040 121574 122820 123556 123648 125120 125672 127092 127190 128928 131008 131136 131376 132720 139196 139332 140620 141015 141568 143290 143430 145248 145360 147651 149520 150144 150416 151680 152320 152628 152992 154445 154560 157090 158865 159488 161160 161713 161871 162554 163760 163920 164220 168744 169456 170880 171904 171948 173995 174165 174432 174848 175168 176960 181560 182361 185334 185776 187680 188020 188508 190785 191240 193664 196512 196868 199360 203504 206080 208794 210930 211820 212352 214880 214935 215828 216223 218040 218560 218960 219926 224992 225624 228480 229264 229488 232220 232576 235635 239054 239232 242080 243148 243593 243831 245640 246085 247112 250240 251344 254184 254380 257856 262016 262272 262752 265440 267053 269785 278392 278664 281240 282030 286580 286860 290496 290720 295302 299040 300288 300832 303360 303935 305256 305984 308890 309120 314180 317730 322320 323426 323742 325108 327520 327840 328440 329889 337488 338912 341760 343808 343896 347990 348330 348864 350336 353920 358581 363120 364722 370668 371552 375360 376040 377016 377699 381570 382480 387328 393024 393736 398720 406385 407008 417588 421860 423640 424704 425509 429760 429870 431656 432446 436080 437120 437920 439852 449984 451248 456960 458528 458976 463335 464440 465152 471270 478108 478464 484160 485139 486296 487186 487662 491280 492170 494224 500480 502688 508368 508760 515712 521985 524032 524544 525504 530880 534106 539570 549815 556784 557328 562480 564060 573160 573720 580992 581440 590604 597635 598080 601664 607870 610512 611968 617780 618240 628360 635460 644640 646852 647484 648669 650216 655040 655680 656880 659778 674976 677824 687792 695980 696660 697728 700672 707840 717162 726240 729444 730779 738255 741336 743104 750720 752080 754032 755398 763140 764960 786048 787472 797440 801159 808565 809355 812770 814016 835176 836689 843720 847280 851018 859520 859740 863312 864892 872160 874240 875840 879704 899968 902496 911805 917056 917269 917952 926670 928880 942540 956216 968320 970278 972592 974372 975324 982560 984340 988448 1005376 1016736 1017520 1031424 1033379 1043970 1051008 1061760 1068212 1079140 1081115 1099630 1113568 1114656 1124960 1128120 1131991 1133097 1146320 1147440 1161984 1162880 1181208 1195270 1196160 1203328 1215740 1217965 1219155 1221024 1223936 1235560 1241011 1256720 1270920 1276527 1289280 1293704 1294968 1297338 1300432 1310080 1311360 1313760 1319556 1335265 1349952 1355648 1375584 1391960 1393320 1395456 1398101 1434324 1452480 1458888 1461558 1476510 1482672 1486208 1501440 1504160 1508064 1510796 1526280 1529920 1572096 1574944 1602318 1617130 1618710 1625540 1628032 1649445 1670352 1673378 1687440 1694560 1702036 1719040 1719480 1726624 1729784 1744320 1751680 1759408 1792905 1799936 1804992 1823610 1834112 1834538 1835904 1853340 1857760 1869371 1885080 1888495 1912432 1936640 1940556 1945184 1948744 1950648 1965120 1968680 1976896 2010752 2033472 2035040 2066758 2087940 2102016 2123520 2127545 2136424 2158280 2162230 2199260 2227136 2229312 2249920 2256240 2263982 2266194 2292640 2294880 2325760 2362416 2390540 2392320 2406656 2425695 2431480 2435930 2438310 2442048 2471120 2482022 2510067 2513440 2541840 2553054 2578560 2587408 2589936 2594676 2600864 2620160 2622720 2627520 2639112 2670530 2699904 2711296 2749121 2751168 2751807 2783920 2786640 2796202 2868648 2904960 2917776 2923116 2953020 2965344 2972416 3008320 3016128 3021592 3052560 3059840 3100137 3149888 3204636 3234260 3237420 3243345 3251080 3256064 3298890 3340704 3346756 3374880 3389120 3395973 3404072 3438960 3453248 3459568 3488640 3503360 3518816 3585810 3609984 3647220 3653895 3668224 3669076 3671808 3706680 3715520 3723033 3738742 3770160 3776990 3824864 3881112 3890368 3897488 3901296 3930240 3937360 3953792 4005795 4021504 4066944 4070080 4133516 4175880 4183445 4194303 4255090 4272848 4316560 4324460 4398520 4454272 4458624 4499840 4512480 4527964 4532388 4585280 4586345 4589760 4724832 4781080 4802173 4851390 4862960 4871860 4876620 4884096 4942240 4964044 5020134 5026880 5083680 5106108 5157120 5166895 5174816 5179872 5189352 5201728 5255040 5278224 5341060 5399808 5498242 5502336 5503614 5567840 5573280 5592404 5608113 5659955 5665485 5737296 5809920 5835552 5846232 5906040 5930688 6016640 6032256 6043184 6105120 6119680 6200274 6205055 6299776 6382635 6409272 6420883 6468520 6474840 6486690 6502160 6597780 6681408 6693512 6749760 6778240 6791946 6808144 6877920 6906496 6919136 6977280 6990505 7037632 7171620 7219968 7233653 7294440 7307790 7338152 7413360 7431040 7446066 7477484 7540320 7553980 7649728 7762224 7780736 7794976 7802592 7860480 7874720 7907584 8011590 8133888 8140160 8247363 8267032 8351760 8366890 8388606 8510180 8545696 8633120 8648920 8687077 8797040 8908544 8917248 8999680 9024960 9055928 9064776 9170560 9172690 9179520 9346855 9449664 9562160 9604346 9702780 9725920 9743720 9753240 9768192 9786707 9884480 9928088 10040268 10053760 10167360 10212216 10333790 10349632 10359744 10378704 10403456 10510080 10556448 10682120 10996484 11004672 11007228 11135680 11146560 11184808 11216226 11319910 11330970 11474592 11671104 11692464 11812080 11861376 12033280 12064512 12086368 12210240 12400548 12410110 12550335 12599552 12765270 12818544 12841766 12937040 12949680 12973380 13004320 13195560 13362816 13387024 13499520 13556480 13583892 13616288 13745605 13755840 13759035 13812992 13838272 13981010 14075264 14343240 14406519 14467306 14588880 14615580 14676304 14826720 14862080 14892132 14954968 15080640 15107960 15299456 15500685 15524448 15561472 15589952 15605184 15749440 16023180 16280320 16494726 16534064 16703520 16733780 16777212 16979865 17020360 17091392 17266240 17297840 17374154 17594080 18049920 18111856 18129552 18341120 18345380 18359040 18615165 18693710 18899328 19124320 19208692 19243847 19262649 19405560 19451840 19487440 19506480 19573414 19768960 19856176 20080536 20107520 20334720 20424432 20667580 20699264 20719488 20757408 20806912 20971515 21097187 21112896 21364240 21700959 21992968 22014456 22271360 22293120 22369616 22432452 22639820 22661940 22949184 23342208 23384928 23624160 23722752 23767717 24010865 24172736 24420480 24801096 24820220 25100670 25530540 25637088 25683532 25874080 25899360 25946760 26008640 26061231 26391120 26725632 26774048 26999040 27167784 27232576 27491210 27511680 27518070 27676544 27962020 28040565 28150528 28686480 28813038 28934612 29177760 29231160 29352608 29360121 29653440 29784264 29909936 30161280 30215920 30598912 31001370 31048896 31179904 31210368 31498880 32046360 32104415 32989452 33068128 33407040 33467560 33554424 33615211 33959730 34040720 34182784 34532480 34595680 34748308 35188160 36099840 36168265 36223712 36259104 36690760 37230330 37387420 37798656 38248640 38417384 38487694 38525298 38811120 38903680 38974880 39012960 39146828 39537920 39712352 40161072 40669440 40848864 41236815 41335160 41398528 41438976 41514816 41943030 42194374 42225792 42728480 43401918 43435385 43985936 44028912 44542720 44586240 44739232 44864904 45279640 45323880 45898368 46684416 46769856 47248320 47535434 48021730 48345472 48840960 48933535 49602192 49640440 50201340 51061080 51274176 51367064 51748160 51798720 51893520 52017280 52122462 52782240 53548096 54335568 54465152 54982420 55023360 55036140 55353088 55924040 56081130 57372960 57626076 57731541 57869224 58355520 58462320 58705216 58720242 59306880 59568528 59819872 60322560 60431840 62002740 62097792 62359808 62420736 62997760 63291561 64092720 64208830 65978904 66136256 66814080 66935120 67108848 67230422 67919460 68081440 68365568 69064960 69191360 69496616 70376320 71303151 72032595 72336530 72447424 72518208 73381520 74460660 74774840 76497280 76834768 76975388 77050596 77622240 77807360 77949760 78025920 78293656 79424704 80322144 81636941 81697728 82473630 82670320 83029632 83886060 84388748 84451584 85456960 86803836 86870770 87971872 88057824 89478464 89729808 90559280 90647760 91796736 93539712 94496640 95070868 96043460 96219235 96313245 96690944 97867070 99204384 99280880 100402680 100845633 102122160 102548352 102734128 103496320 103597440 103787040 104034560 104244924 105485935 105564480 107096192 108504795 108671136 108930304 109964840 110072280 110449979 111848080 112162260 114745920 115252152 115463082 115738448 116711040 116924640 117410432 117440484 118613760 118838585 119137056 119639744 120863680 124005480 124195584 126583122 128185440 128417660 130306155 131957808 132272512 133628160 133870240 134217696 134460844 135838920 136162880 138382720 138993232 140752640 142606302 144065190 144673060 144894848 145036416 146763040 146800605 147680309 148921320 149549680 152994560 153669536 153950776 154101192 155244480 155899520 156051840 156587312 158849408 160644288 163273882 163395456 164947260 165340640 166059264 166374019 167772120 168076055 168777496 170913920 173607672 173741540 175943744 176115648 178956928 179459616 181118560 181295520 187079424 188993280 190141736 192086920 192438470 192626490 195734140 198408768 198561760 200805360 201691266 204244320 205096704 205468256 206992640 207194880 207574080 208489848 210971870 211128960 214192384 217009590 217342272 219929680 220144560 220899958 223696160 224324520 229491840 230504304 230926164 231476896 233422080 233849280 234820864 234880968 237677170 238274112 239279488 241727360 244910823 248010960 253166244 256370880 256835320 260612310 263915616 264545024 267740480 268435392 268921688 271677840 272325760 276765440 277986464 285212604 288130380 288657705 289346120 289789696 290072832 293526080 293601210 295360618 297842640 299099360 307339072 307901552 308202384 310488960 311799040 312103680 313174624 316457805 317698816 321288576 326547764 326790912 329894520 330681280 331349937 332748038 335544240 336152110 337554992 341827840 347215344 347483080 351887488 352231296 356515755 357913856 358919232 362237120 362591040 380283472 384173840 384876940 385252980 391468280 396817536 397123520 401610720 403382532 408184705 408488640 410936512 415148160 416979696 421943740 422257920 434019180 434684544 439859360 440289120 441799916 443040927 447392320 448649040 458983680 461008608 461852328 462953792 467698560 469761936 475354340 476548224 478558976 483454720 489821646 496021920 499122057 504228165 506332488 512741760 513670640 521224620 527831232 535480960 536870784 537843376 543355680 544651520 552249895 555972928 570425208 571458587 576260760 577315410 578692240 587052160 587202420 590721236 595685280 598198720 614678144 615803104 616404768 620977920 626349248 632915610 642577152 653095528 659789040 661362560 662699874 665496076 671088480 672304220 675109984 694430688 694966160 703774976 704462592 713031510 717838464 724474240 725182080 738401545 760566944 768347680 769753880 770505960 773149853 782936560 793635072 794247040 803221440 806765064 816369410 816977280 821873024 830296320 831870095 833959392 843887480 868038360 869369088 879718720 880578240 883599832 886081854 894784640 897298080 922017216 923704656 925907584 935397120 939523872 950708680 953096448 979643292 992043840 998244114 1008456330 1012664976 1025483520 1027341280 1042449240 1055662464 1070961920 1073741568 1075686752 1086711360 1104499790 1111945856 1140850416 1142917174 1152521520 1154630820 1157384480 1174104320 1174404840 1181442472 1191370560 1196397440 1224554115 1229356288 1231606208 1232809536 1252698496 1265831220 1306191056 1319578080 1322725120 1325399748 1330992152 1342176960 1344608440 1350219968 1388861376 1389932320 1426063020 1435676928 1448948480 1450364160 1476803090 1521133888 1536695360 1539507760 1541011920 1546299706 1565873120 1588494080 1606442880 1613530128 1632738820 1633954560 1643746048 1656749685 1663740190 1667918784 1687774960 1714375761 1736076720 1759437440 1761156480 1767199664 1772163708 1789569280 1794596160 1844034432 1847409312 1851815168 1877649643 1879047744 1901417360 1959286584 1984087680 1996488228 2016912660 2025329952 2054682560 2084898480 2111324928 2151373504 2173422720 2208999580 2215204635 2223891712 2281700832 2285834348 2305043040 2309261640 2314768960 2319449559 2348809680 2362884944 2382741120 2392794880 2449108230 2463212416 2465619072 2495610285 2505396992 2531662440 2612382112 2639156160 2650799496 2661984304 2684353920 2689216880 2700439936 2777722752 2779864640 2852126040 2857292935 2953606180 3042267776 3073390720 3079015520 3082023840 3092599412 3131746240 3212885760 3227060256 3265477640 3313499370 3327480380 3335837568 3375549920 3428751522 3472153440 3518874880 3522312960 3534399328 3544327416 3589192320 3688068864 3694818624 3755299286 3758095488 3802834720 3865749265 3918573168 3968175360 3992976456 4033825320 4050659904 4109365120 4169796960 4302747008 4346845440 4417999160 4430409270 4563401664 4571668696 4610086080 4618523280 4629537920 4638899118 4697619360 4725769888 4765482240 4898216460 4926424832 4931238144 4991220570 5063324880 5224764224 5278312320 5301598992 5323968608 5368707840 5378433760 5400879872 5555445504 5559729280 5632948929 5704252080 5714585870 5907212360 6084535552 6146781440 6158031040 6164047680 6185198824 6263492480 6454120512 6530955280 6626998740 6654960760 6671675136 6751099840 6857503044 6944306880 7068798656 7088654832 7178384640 7389637248 7510598572 7516190976 7605669440 7731498530 7837146336 7985952912 8067650640 8101319808 8218730240 8339593920 8571878805 8605494016 8835998320 8860818540 9126803328 9143337392 9220172160 9237046560 9259075840 9277798236 9388248215 9395238720 9451539776 9796432920 9982441140 10126649760 10449528448 10556624640 10603197984 10647937216 10756867520 11119458560 11265897858 11408504160 11429171740 11597247795 11814424720 12316062080 12328095360 12370397648 12526984960 12908241024 13061910560 13143547501 13253997480 13309921520 13502199680 13715006088 13888613760 14137597312 14177309664 14779274496 15021197144 15211338880 15462997060 15674292672 15971905824 16135301280 16202639616 16679187840 17143757610 17671996640 17721637080 18253606656 18286674784 18440344320 18474093120 18555596472 18776496430 18790477440 18903079552 19592865840 19964882280 20253299520 20899056896 21206395968 21295874432 21513735040 22531795716 22817008320 22858343480 23194495590 23628849440 24632124160 24656190720 24740795296 25816482048 26123821120 26287095002 26507994960 26619843040 27004399360 27430012176 27777227520 28164744645 28275194624 28354619328 30042394288 30422677760 30925994120 31348585344 31943811648 32270602560 33358375680 34287515220 35343993280 35443274160 36573349568 36948186240 37111192944 37552992860 37580954880 37806159104 39185731680 39430642503 39929764560 40506599040 42412791936 42591748864 43027470080 45063591432 45634016640 45716686960 46388991180 47257698880 49481590592 52247642240 52574190004 53015989920 53239686080 54860024352 56329489290 56709238656 60084788576 61851988240 62697170688 63887623296 64541205120 65717737505 68575030440 70687986560 70886548320 73146699136 73896372480 74222385888 75105985720 78371463360 78861285006 79859529120 81013198080 84825583872 90127182864 91268033280 91433373920 92777982360 94515397760 98963181184 104495284480 105148380008 106031979840 106479372160 109720048704 112658978580 113418477312 120169577152 123703976480 127775246592 129082410240 131435475010 137150060880 141375973120 141773096640 146293398272 148444771776 150211971440 156742926720 157722570012 159719058240 180254365728 182866747840 185555964720 189030795520 197153212515 197926362368 210296760016 212063959680 212958744320 219440097408 225317957160 240339154304 247407952960 262870950020 274300121760 283546193280 296889543552 300423942880 313485853440 315445140024 319438116480 360508731456 365733495680 371111929440 394306425030 420593520032 424127919360 438880194816 450635914320 480678308608 494815905920 525741900040 548600243520 567092386560 593779087104 600847885760 630890280048 638876232960 721017462912 731466991360 742223858880 788612850060 841187040064 901271828640 989631811840 1051483800080 1097200487040 1201695771520 1261780560096 1442034925824 1484447717760 1577225700120 1682374080128 1802543657280 2102967600160 2194400974080 2403391543040 2523561120192 2968895435520 3154451400240 3364748160256 3605087314560 4205935200320 5047122240384 6308902800480 7210174629120 8411870400640 10094244480768 12617805600960 16823740801280 25235611201920 50471222403840
- Sum of all divisors σ(n): 208734614323200
- Sum of proper divisors (its aliquot sum) s(n): 158263391919360
- 50471222403840 is an abundant number, because the sum of its proper divisors (158263391919360) is greater than itself. Its abundance is 107792169515520
Bases of 50471222403840
- Binary: 10110111100111001111110100100001100011000000002
- Hexadecimal: 0x2DE73F486300
- Base-36: HW25QOVEO
Squares and roots of 50471222403840
- 50471222403840 squared (504712224038402) is 2547344290937880748046745600
- 50471222403840 cubed (504712224038403) is 128567580247077885896547124846320943104000
-
The
square root of 50471222403840 is 7104310.1286359959 -
The
cube root of 50471222403840 is 36955.6865161527
Scales and comparisons
How big is 50471222403840?- 50,471,222,403,840 seconds is equal to 1,604,828 years, 39 weeks, 1 day, 17 hours, 4 minutes.
-
To count from 1 to 50,471,222,403,840 would take you about four million, twelve thousand and seventy-one years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 50471222403840 cubic inches would be around 3079.6 feet tall.
Recreational maths with 50471222403840
- 50471222403840 backwards is 04830422217405
- 50471222403840 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 50471222403840's digits is 42
- 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 50471222403840 - Facts about the integer". Numbermatics.com. 2024. Web. 27 May 2024.
APA style:
Numbermatics. (2024). Number 50471222403840 - Facts about the integer. Retrieved 27 May 2024, from https://numbermatics.com/n/50471222403840/
Chicago style:
Numbermatics. 2024. "Number 50471222403840 - Facts about the integer". https://numbermatics.com/n/50471222403840/
The information we have on file for 50471222403840 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 50471222403840, math, Factors of 50471222403840, curriculum, school, college, exams, university, Prime factorization of 50471222403840, STEM, science, technology, engineering, physics, economics, calculator, fifty trillion, four hundred seventy-one billion, two hundred twenty-two million, four hundred three thousand, eight hundred forty.