51343397459640
51,343,397,459,640 is an even composite number composed of seven prime numbers multiplied together.
51343397459640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, three hundred four divisors.
Prime factorization of 51343397459640:
23 × 35 × 5 × 113 × 132 × 23 × 1021
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 11 × 11 × 13 × 13 × 23 × 1021)See below for interesting mathematical facts about the number 51343397459640 from the Numbermatics database.
Names of 51343397459640
- Cardinal: 51343397459640 can be written as Fifty-one trillion, three hundred forty-three billion, three hundred ninety-seven million, four hundred fifty-nine thousand, six hundred forty.
Scientific notation
- Scientific notation: 5.134339745964 × 1013
Factors of 51343397459640
Divisors of 51343397459640
- Number of divisors d(n): 2304
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 23 24 26 27 30 33 36 39 40 44 45 46 52 54 55 60 65 66 69 72 78 81 88 90 92 99 104 108 110 115 117 120 121 130 132 135 138 143 156 162 165 169 180 184 195 198 207 216 220 230 234 242 243 253 260 264 270 276 286 297 299 312 324 330 338 345 351 360 363 390 396 405 414 429 440 460 468 484 486 495 506 507 520 540 552 572 585 594 598 605 621 648 660 676 690 702 715 726 759 780 792 810 828 845 858 891 897 920 936 968 972 990 1012 1014 1021 1035 1053 1080 1089 1144 1170 1188 1196 1210 1215 1242 1265 1287 1320 1331 1352 1380 1404 1430 1452 1485 1495 1518 1521 1560 1573 1620 1656 1690 1716 1755 1782 1794 1815 1859 1863 1944 1980 2024 2028 2042 2070 2106 2145 2178 2277 2340 2376 2392 2420 2430 2484 2530 2535 2574 2662 2673 2691 2760 2783 2808 2860 2904 2970 2990 3036 3042 3063 3105 3146 3159 3240 3267 3289 3380 3432 3510 3564 3588 3630 3718 3726 3795 3861 3887 3960 3993 4056 4084 4140 4212 4290 4356 4455 4485 4554 4563 4680 4719 4840 4860 4968 5060 5070 5105 5148 5265 5324 5346 5382 5445 5566 5577 5589 5720 5940 5980 6072 6084 6126 6210 6292 6318 6435 6534 6578 6655 6760 6831 7020 7128 7176 7260 7436 7452 7590 7605 7722 7774 7865 7986 8073 8168 8280 8349 8424 8580 8712 8910 8970 9108 9126 9189 9295 9315 9438 9720 9801 9867 10120 10140 10210 10296 10530 10648 10692 10764 10890 11132 11154 11178 11231 11385 11583 11661 11880 11960 11979 12168 12252 12420 12584 12636 12870 13068 13156 13273 13310 13365 13455 13662 13689 13915 14040 14157 14520 14872 14904 15180 15210 15315 15444 15548 15730 15795 15972 16146 16335 16445 16698 16731 17160 17303 17820 17940 18216 18252 18378 18590 18630 18876 19305 19435 19602 19734 19965 20280 20420 20449 20493 21060 21384 21528 21780 22264 22308 22356 22462 22770 22815 23166 23322 23483 23595 23958 24219 24504 24840 25047 25272 25740 26136 26312 26546 26620 26730 26910 27324 27378 27567 27830 27885 27945 28314 29403 29601 30360 30420 30613 30630 30888 31096 31460 31590 31944 32292 32670 32890 33396 33462 33693 34155 34606 34749 34983 35640 35880 35937 36179 36504 36756 37180 37260 37752 38610 38870 39204 39468 39819 39930 40365 40840 40898 40986 41067 41745 42120 42471 42757 43560 44616 44712 44924 45540 45630 45945 46332 46644 46966 47190 47916 48438 49005 49335 50094 50193 51480 51909 53092 53240 53460 53820 54648 54756 55134 55660 55770 55890 56155 56628 57915 58305 58806 59202 59895 60840 61226 61260 61347 61479 62920 63180 64584 65340 65780 66365 66792 66924 67386 68310 68445 69212 69498 69966 70449 70785 71874 72358 72657 73512 74360 74520 75141 77220 77740 78408 78936 79638 79860 80730 81796 81972 82134 82701 83490 83655 84942 85514 86515 88803 89848 91080 91260 91839 91890 92664 93288 93932 94380 95832 96876 98010 98670 100188 100386 101079 102245 102465 103818 104949 106184 106920 107640 107811 108537 109512 110268 111320 111540 111780 112310 113256 115830 116610 117415 117612 118404 119457 119790 121095 122452 122520 122694 122958 123541 125235 126360 127413 128271 130680 131560 132730 133848 134772 136620 136890 137835 138424 138996 139932 140898 141570 143748 144716 145314 146003 147015 148005 150282 150579 153065 154440 155480 155727 159276 159720 161460 163592 163944 164268 165402 166980 167310 168465 169884 171028 172549 173030 173745 174915 177606 179685 180895 182520 183678 183780 184041 187864 188760 193752 196020 197340 199095 200376 200772 202158 204490 204930 205335 207636 209898 211347 212355 213785 215622 217074 220536 223080 223560 224620 224939 225423 231660 233220 234830 235224 236808 238914 239580 242190 244904 245388 245916 247082 248103 250470 250965 254826 256542 258313 259545 265460 266409 269544 273240 273780 275517 275670 277992 279864 281796 283140 287496 289432 290628 292006 294030 296010 300564 301158 303237 305279 306130 306735 307395 311454 314847 318552 322920 323433 325611 328536 330804 333960 334620 336930 339768 342056 345098 346060 347490 349830 352245 355212 358371 359370 361790 363285 367356 367560 368082 370623 375705 382239 384813 392040 394680 397969 398190 401544 404316 408980 409860 410670 413505 415272 419796 422694 424710 427570 431244 434148 438009 444015 449240 449878 450846 451737 459195 463320 466440 467181 469660 470327 477828 479160 484380 490776 491832 494164 496206 500940 501930 505395 509652 513084 516626 517647 519090 524745 530920 532818 539055 542685 547560 551034 551340 552123 563592 566280 581256 584012 588060 592020 597285 601128 602316 606474 610558 612260 613470 614790 617705 622908 629694 634041 637065 641355 646866 651222 661608 669240 673860 674817 676269 690196 692120 694980 699660 704490 710424 716742 718740 723580 726570 730015 734712 736164 741246 751410 752895 764478 769626 774939 778635 795938 796380 799227 808632 817960 819720 821340 826551 827010 839592 845388 849420 855140 862488 862745 868296 876018 888030 899756 901692 903474 909711 915837 918390 920205 934362 939320 940654 944541 955656 968760 976833 988328 992412 1001880 1003860 1010790 1019304 1026168 1033252 1035294 1038180 1049490 1056735 1065636 1075113 1078110 1085370 1102068 1102680 1104246 1111869 1124695 1127115 1154439 1168024 1176120 1184040 1193907 1194570 1204632 1212948 1221116 1224520 1226940 1229580 1235410 1240515 1245816 1259388 1268082 1274130 1282710 1291565 1293732 1302444 1314027 1332045 1347720 1349634 1352538 1358951 1377585 1380392 1389960 1399320 1401543 1408980 1410981 1433484 1437480 1447160 1453140 1460030 1472328 1482492 1502820 1505790 1516185 1526395 1528956 1539252 1549878 1552941 1557270 1574235 1591876 1592760 1598454 1606033 1617165 1628055 1642680 1653102 1654020 1656369 1690776 1698840 1710280 1725490 1752036 1776060 1791855 1799512 1803384 1806948 1819422 1831674 1836780 1840410 1853115 1868724 1881308 1889082 1898039 1902123 1911195 1924065 1953666 1984824 1989845 2007720 2021580 2024451 2066504 2070588 2076360 2098980 2113470 2131272 2150226 2156220 2170740 2190045 2204136 2208492 2223738 2249390 2254230 2258685 2308878 2324817 2335905 2351635 2387814 2389140 2425896 2442232 2453880 2459160 2470820 2479653 2481030 2518776 2536164 2548260 2565420 2583130 2587464 2588235 2604888 2628054 2664090 2699268 2705076 2717902 2729133 2747511 2755170 2760615 2803086 2817960 2821962 2841443 2866968 2906280 2920060 2930499 2964984 3005640 3011580 3032370 3052790 3057912 3078504 3099756 3105882 3114540 3148470 3170205 3183752 3196908 3212066 3225339 3234330 3256110 3306204 3308040 3312738 3335607 3358069 3374085 3381345 3450980 3463317 3504072 3552120 3581721 3583710 3613896 3638844 3663348 3673560 3680820 3706230 3737448 3762616 3778164 3796078 3804246 3822390 3848130 3874695 3907332 3942081 3968627 3979690 3996135 4043160 4048902 4076853 4132755 4141176 4197960 4204629 4226940 4232943 4300452 4312440 4341480 4380090 4416984 4447476 4498780 4508460 4517370 4548555 4579185 4617756 4649634 4658823 4671810 4703270 4722705 4775628 4778280 4818099 4884165 4941640 4959306 4962060 4969107 5072328 5096520 5130840 5166260 5173597 5176470 5256108 5328180 5375565 5398536 5410152 5435804 5458266 5495022 5510340 5521230 5559345 5606172 5643924 5682886 5694117 5706369 5772195 5840120 5860998 5969535 6023160 6064740 6073353 6105580 6199512 6211764 6229080 6296940 6340410 6393816 6424132 6450678 6468660 6512220 6570135 6612408 6625476 6671214 6716138 6748170 6762690 6794755 6901960 6926634 6974451 7007715 7054905 7163442 7167420 7277688 7326696 7361640 7412460 7438959 7556328 7592156 7608492 7644780 7696260 7749390 7764705 7814664 7884162 7937254 7959380 7992270 8030165 8097804 8153706 8242533 8265510 8281845 8409258 8453880 8465886 8524329 8600904 8760180 8791497 8894952 8997560 9016920 9034740 9097110 9158370 9235512 9299268 9317646 9343620 9406540 9445410 9490195 9510615 9551256 9636198 9768330 9918612 9924120 9938214 10006821 10074207 10122255 10332520 10347194 10352940 10389951 10512216 10656360 10745163 10751130 10871608 10916532 10990044 11020680 11042460 11118690 11212344 11287848 11365772 11388234 11412738 11544390 11624085 11721996 11826243 11905881 11939070 12129480 12146706 12211160 12230559 12398265 12423528 12593880 12680820 12698829 12848264 12901356 12937320 13024440 13140270 13250952 13342428 13432276 13496340 13525380 13589510 13645665 13737555 13853268 13948902 13976469 14015430 14109810 14207215 14326884 14334840 14454297 14652495 14824920 14877918 15184312 15216984 15289560 15392520 15498780 15520791 15529410 15768324 15874508 15918760 15984540 16060330 16126695 16195608 16307412 16485066 16531020 16563690 16678035 16790345 16818516 16931772 17048658 17082351 17316585 17520360 17582994 17666363 17908605 18069480 18194220 18220059 18316740 18598536 18635292 18687240 18813080 18890820 18980390 19021230 19272396 19536660 19710405 19837224 19843135 19876428 20013642 20148414 20244510 20384265 20694388 20705880 20779902 20878429 20923353 21023145 21164715 21490326 21502260 21833064 21980088 22084920 22237380 22731544 22776468 22825476 23088780 23248170 23294115 23443992 23652486 23811762 23878140 24090495 24293412 24461118 24727599 24796530 24845535 25361640 25397658 25572987 25802712 25867985 26280540 26684856 26864552 26992680 27050760 27179020 27291330 27475110 27706536 27897804 27952938 28030860 28219620 28414430 28470585 28531845 28653768 28908594 29304990 29755836 30020463 30222621 30366765 30997560 31041582 31058820 31255873 31536648 31749016 31969080 32120660 32235489 32253390 32614824 32970132 33062040 33127380 33356070 33580690 33637032 33863544 34097316 34164702 34633170 34872255 35165988 35332726 35478729 35717643 35817210 36388440 36440118 36633480 36691677 36938759 37194795 37270584 37781640 37960780 38042460 38096487 38544792 39073320 39420810 39686270 39752856 40027284 40296828 40489020 40768530 41212665 41388776 41559804 41756858 41846706 41929407 42046290 42329430 42621645 42980652 43004520 43362891 43654897 43957485 44474760 45552936 45650952 46177560 46496340 46562373 46588230 47304972 47623524 47756280 48180990 48586824 48922236 49455198 49593060 49691070 50034105 50371035 50795316 51145974 51247053 51735970 51949755 52561080 52999089 53725815 54358040 54582660 54660177 54950220 55795608 55905876 56061720 56439240 56828860 56941170 57063690 57817188 58609980 59131215 59511672 59529405 60040926 60445242 60733530 61152795 62083164 62117640 62511746 62635287 62770059 63494145 64241320 64470978 64506780 65940264 66254760 66712140 67161380 68194632 68329404 69266340 69744510 69882345 70331976 70665452 70957458 71435286 71634420 72271485 72880236 73383354 73877518 74182797 74389590 75921560 76084920 76192974 76718961 77603955 78841620 79372540 80054568 80593656 80978040 81537060 82425330 83119608 83513716 83693412 83858814 84092580 84658860 85243290 85411755 85961304 86725782 87309794 87914970 88331815 90667863 91100295 92992680 93124746 93176460 93767619 94609944 95247048 96361980 96706467 97844472 98910396 99186120 99382140 100068210 100742070 101590632 102291948 102494106 103471940 103899510 104392145 104616765 105998178 107152929 107451630 109165320 109320354 109900440 110075031 110816277 111811752 113657720 113882340 114127380 114289461 115634376 117219960 118262430 119058810 120081852 120890484 121467060 122305590 123637995 124166328 125023492 125270574 125540118 126988290 127864935 128941956 129013560 130088673 130964691 133424280 134322760 136658808 138532680 139489020 139687119 139764690 141330904 141914916 142870572 143268840 144542970 145760472 146766708 147755036 148365594 148779180 150102315 151113105 152385948 153437922 153741159 155207910 156279365 157683240 158745080 158997267 161177445 163074120 164850660 167027432 167386824 167717628 168185160 169317720 170486580 170823510 173451564 174619588 175829940 176663630 177393645 178588215 181335726 182200590 183458385 184693795 186249492 186352920 187535238 187905861 190482435 192723960 193412934 197820792 198764280 200136420 201484140 204583896 204988212 206943880 207799020 208784290 209233530 209647035 211996356 214305858 214903260 216814455 218274485 218640708 220150062 221632554 227764680 228254760 228578922 229662719 230156883 232811865 236524860 238117620 240163704 241780968 242934120 244611180 247275990 250046984 250541148 251080236 253976580 255729870 256235265 257883912 260177346 261929382 264995445 272003589 273300885 278978040 279374238 279529380 281302857 283829832 285741144 289085940 293533416 295510072 296731188 297558360 300204630 302226210 304771896 306875844 307482318 310415820 312558730 313176435 313850295 317994534 321458787 322354890 329701320 330225093 332448831 335435256 340973160 341647020 346903128 349239176 351659880 353327260 354787290 357176430 362671452 364401180 366916770 369387590 370913985 372498984 375070476 375811722 380964870 383594805 386825868 390266019 392894073 400272840 402968280 406326349 409976424 415598040 417568580 418467060 419061357 419294070 423992712 428611716 429806520 433628910 436548970 437281416 440300124 443265108 453339315 457157844 459325438 460313766 461223477 465623730 468838095 473049720 476235240 476991801 480203867 483532335 489222360 494551980 501082296 502160472 507953160 511459740 512470530 520354692 523858764 529990890 535764645 544007178 546601770 550375155 554081385 558748476 559058760 562605714 563717583 571447305 578171880 593462376 600409260 604452420 613751688 614964636 620831640 625117460 626352870 627700590 635989068 642917574 644709780 650443365 654823455 660450186 664897662 683294040 688988157 690470649 698435595 706654520 709574580 714352860 725342904 728802360 733833540 738775180 741827970 750140952 751623444 761929740 767189610 768705795 773651736 780532038 785788146 794986335 812652698 816010767 835137160 836934120 838122714 838588140 843908571 857223432 867257820 873097940 880600248 886530216 906678630 914315688 918650876 920627532 922446954 931247460 937676190 939529305 953983602 960407734 964376361 967064670 989103960 997346493 1022919480 1024941060 1040709384 1047717528 1059981780 1071529290 1088014356 1093203540 1100750310 1108162770 1117496952 1125211428 1127435166 1142894610 1148313595 1150784415 1178682219 1200818520 1208904840 1218979047 1229929272 1250234920 1252705740 1255401180 1257184071 1271978136 1285835148 1289419560 1300886730 1309646910 1320900372 1329795324 1360017945 1377976314 1380941298 1396871190 1406514285 1419149160 1428705720 1430975403 1440611601 1467667080 1477550360 1483655940 1503246888 1523859480 1534379220 1537411590 1561064076 1571576292 1589972670 1607293935 1625305396 1632021534 1651125465 1662244155 1676245428 1677176280 1687817142 1691152749 1734515640 1746195880 1813357260 1837301752 1841255064 1844893908 1862494920 1875352380 1879058610 1907967204 1920815468 1928752722 1934129340 1951330095 1964470365 1994692986 2031631745 2049882120 2066964471 2095306785 2119963560 2143058580 2176028712 2186407080 2201500620 2216325540 2250422856 2254870332 2285789220 2296627190 2301568830 2306117385 2357364438 2384959005 2401019335 2437958094 2505411480 2510802360 2514368142 2531725713 2571670296 2601773460 2619293820 2641800744 2659590648 2720035890 2755952628 2761882596 2793742380 2813028570 2818587915 2861950806 2881223202 2967311880 2992039479 3068758440 3074823180 3122128152 3143152584 3179945340 3214587870 3250610792 3264043068 3302250930 3324488310 3352490856 3375634284 3382305498 3444940785 3452353245 3536046657 3626714520 3656937141 3689787816 3750704760 3758117220 3815934408 3841630936 3857505444 3868258680 3902660190 3928940730 3989385972 4063263490 4080053835 4133928942 4190613570 4219542855 4286117160 4292926209 4321834803 4403001240 4432651080 4509740664 4571578440 4593254380 4603137660 4612234770 4714728876 4769918010 4802038670 4821881805 4875916188 4986732465 5028736284 5063451426 5073458247 5203546920 5238587640 5282242537 5440071780 5511905256 5523765192 5587484760 5626057140 5637175830 5723901612 5762446404 5893411095 5984078958 6094895235 6149646360 6200893413 6285920355 6359890680 6429175740 6528086136 6604501860 6648976620 6751268568 6764610996 6889881570 6904706490 7072093314 7154877015 7203058005 7313874282 7516234440 7595177139 7715010888 7805320380 7857881460 7978771944 8126526980 8160107670 8267857884 8381227140 8439085710 8455763745 8585852418 8643669606 8976118437 9186508760 9206275320 9224469540 9429457752 9539836020 9604077340 9643763610 9751832376 9973464930 10057472568 10126902852 10146916494 10334822355 10564485074 10608139971 10880143560 10970811423 11252114280 11274351660 11447803224 11524892808 11786822190 11968157916 12189790470 12401786826 12571840710 12658628565 12858351480 12965504409 13209003720 13297953240 13529221992 13779763140 13809412980 14144186628 14309754030 14406116010 14627748564 14960197395 15190354278 15610640760 15715762920 15846727611 16253053960 16320215340 16535715768 16762454280 16878171420 16911527490 17171704836 17287339212 17680233285 17952236874 18284685705 18448939080 18602680239 19079672040 19208154680 19287527220 19946929860 20253805704 20293832988 20669644710 21128970148 21216279942 21464631045 21609174015 21941622846 22548703320 23573644380 23936315832 24379580940 24803573652 25143681420 25317257130 25367291235 25931008818 26411212685 27559526280 27618825960 28288373256 28619508060 28812232020 29255497128 29920394790 30380708556 31004467065 31693455222 32640430680 32912434269 33756342840 33823054980 34343409672 34574678424 35360466570 35904473748 36569371410 37205360478 37975885695 38575054440 38896513227 39893859720 40587665976 41339289420 42257940296 42432559884 42929262090 43218348030 43883245692 44880592185 47147288760 47540182833 48759161880 49607147304 50287362840 50634514260 50734582470 51862017636 52822425370 53040699855 54854057115 55808040717 57239016120 57624464040 59840789580 60761417112 62008934130 63386910444 64827522045 65824868538 67646109960 70720933140 71808947496 73138742820 74410720956 75951771390 77793026454 79233638055 82678578840 84865119768 85858524180 86436696060 87766491384 89761184370 93013401195 95080365666 98737302807 101269028520 101469164940 103724035272 105644850740 106081399710 109708114230 111616081434 116689539681 119681579160 124017868260 126773820888 129655044090 131649737076 141441866280 142620548499 146277485640 148821441912 151903542780 155586052908 158467276110 164562171345 171717048360 172873392120 179522368740 186026802390 190160731332 194482566135 197474605614 202938329880 211289701480 212162799420 219416228460 223232162868 233379079362 237700914165 248035736520 259310088180 263299474152 279040203585 285241096998 303807085560 311172105816 316934552220 329124342690 359044737480 372053604780 380321462664 388965132270 394949211228 424325598840 427861645497 438832456920 446464325736 466758158724 475401828330 493686514035 518620176360 558080407170 570482193996 583447698405 633869104440 658248685380 713102742495 744107209560 777930264540 789898422456 855723290994 933516317448 950803656660 987373028070 1116160814340 1140964387992 1166895396810 1283584936491 1316497370760 1426205484990 1555860529080 1711446581988 1901607313320 1974746056140 2139308227485 2232321628680 2333790793620 2567169872982 2852410969980 3422893163976 3949492112280 4278616454970 4667581587240 5134339745964 5704821939960 6417924682455 8557232909940 10268679491928 12835849364910 17114465819880 25671698729820 51343397459640
- Sum of all divisors σ(n): 215277279759360
- Sum of proper divisors (its aliquot sum) s(n): 163933882299720
- 51343397459640 is an abundant number, because the sum of its proper divisors (163933882299720) is greater than itself. Its abundance is 112590484840080
Bases of 51343397459640
- Binary: 10111010110010010100001111011110010110101110002
- Hexadecimal: 0x2EB250F796B8
- Base-36: I76TX77I0
Squares and roots of 51343397459640
- 51343397459640 squared (513433974596402) is 2636144462698567205428929600
- 51343397459640 cubed (513433974596403) is 135348612909361668194287518041204401344000
-
The
square root of 51343397459640 is 7165430.7239439557 -
The
cube root of 51343397459640 is 37167.3446080121
Scales and comparisons
How big is 51343397459640?- 51,343,397,459,640 seconds is equal to 1,632,561 years, 11 weeks, 4 days, 9 hours, 54 minutes.
-
To count from 1 to 51,343,397,459,640 would take you about four million, eighty-one thousand, four hundred three 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 51343397459640 cubic inches would be around 3097.3 feet tall.
Recreational maths with 51343397459640
- 51343397459640 backwards is 04695479334315
- The number of decimal digits it has is: 14
- The sum of 51343397459640's digits is 63
- 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 51343397459640 - Facts about the integer". Numbermatics.com. 2024. Web. 26 September 2024.
APA style:
Numbermatics. (2024). Number 51343397459640 - Facts about the integer. Retrieved 26 September 2024, from https://numbermatics.com/n/51343397459640/
Chicago style:
Numbermatics. 2024. "Number 51343397459640 - Facts about the integer". https://numbermatics.com/n/51343397459640/
The information we have on file for 51343397459640 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 51343397459640, math, Factors of 51343397459640, curriculum, school, college, exams, university, Prime factorization of 51343397459640, STEM, science, technology, engineering, physics, economics, calculator, fifty-one trillion, three hundred forty-three billion, three hundred ninety-seven million, four hundred fifty-nine thousand, six hundred forty.