2780453666816000
2,780,453,666,816,000 is an even composite number composed of five prime numbers multiplied together.
2780453666816000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two thousand, one hundred twelve divisors.
Prime factorization of 2780453666816000:
221 × 53 × 73 × 172 × 107
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 7 × 7 × 17 × 17 × 107)See below for interesting mathematical facts about the number 2780453666816000 from the Numbermatics database.
Names of 2780453666816000
- Cardinal: 2780453666816000 can be written as Two quadrillion, seven hundred eighty trillion, four hundred fifty-three billion, six hundred sixty-six million, eight hundred sixteen thousand.
Scientific notation
- Scientific notation: 2.780453666816 × 1015
Factors of 2780453666816000
Divisors of 2780453666816000
- Number of divisors d(n): 2112
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 25 28 32 34 35 40 49 50 56 64 68 70 80 85 98 100 107 112 119 125 128 136 140 160 170 175 196 200 214 224 238 245 250 256 272 280 289 320 340 343 350 392 400 425 428 448 476 490 500 512 535 544 560 578 595 640 680 686 700 749 784 800 833 850 856 875 896 952 980 1000 1024 1070 1088 1120 1156 1190 1225 1280 1360 1372 1400 1445 1498 1568 1600 1666 1700 1712 1715 1750 1792 1819 1904 1960 2000 2023 2048 2125 2140 2176 2240 2312 2380 2450 2560 2675 2720 2744 2800 2890 2975 2996 3136 3200 3332 3400 3424 3430 3500 3584 3638 3745 3808 3920 4000 4046 4096 4165 4250 4280 4352 4480 4624 4760 4900 5120 5243 5350 5440 5488 5600 5780 5831 5950 5992 6125 6272 6400 6664 6800 6848 6860 7000 7168 7225 7276 7490 7616 7840 8000 8092 8192 8330 8500 8560 8575 8704 8960 9095 9248 9520 9800 10115 10240 10486 10700 10880 10976 11200 11560 11662 11900 11984 12250 12544 12733 12800 13328 13375 13600 13696 13720 14000 14161 14336 14450 14552 14875 14980 15232 15680 16000 16184 16384 16660 17000 17120 17150 17408 17920 18190 18496 18725 19040 19600 20230 20480 20825 20972 21400 21760 21952 22400 23120 23324 23800 23968 24500 25088 25466 25600 26215 26656 26750 27200 27392 27440 28000 28322 28672 28900 29104 29155 29750 29960 30464 30923 31360 32000 32368 32768 33320 34000 34240 34300 34816 35840 36125 36380 36701 36992 37450 38080 39200 40460 40960 41650 41944 42800 42875 43520 43904 44800 45475 46240 46648 47600 47936 49000 50176 50575 50932 51200 52430 53312 53500 54400 54784 54880 56000 56644 57344 57800 58208 58310 59500 59920 60928 61846 62720 63665 64000 64736 65536 66640 68000 68480 68600 69632 70805 71680 72250 72760 73402 73984 74900 76160 78400 80920 81920 83300 83888 85600 85750 87040 87808 89131 89600 90950 92480 93296 93625 95200 95872 98000 99127 100352 101150 101864 102400 104125 104860 106624 107000 108800 109568 109760 112000 113288 114688 115600 116416 116620 119000 119840 121856 123692 125440 127330 128000 129472 131072 131075 133280 136000 136960 137200 139264 141610 143360 144500 145520 145775 146804 147968 149800 152320 154615 156800 161840 163840 166600 167776 171200 171500 174080 175616 178262 179200 181900 183505 184960 186592 187250 190400 191744 196000 198254 200704 202300 203728 204800 208250 209720 213248 214000 216461 217600 219136 219520 224000 226576 227375 229376 231200 232832 233240 238000 239680 243712 247384 250880 252875 254660 256000 258944 262144 262150 266560 272000 273920 274400 278528 283220 286720 289000 291040 291550 293608 295936 299600 304640 309230 313600 318325 323680 327680 333200 335552 342400 343000 348160 351232 354025 356524 358400 363800 367010 369920 373184 374500 380800 383488 392000 396508 401408 404600 407456 409600 416500 419440 426496 428000 432922 435200 438272 439040 445655 448000 453152 454750 458752 462400 465664 466480 476000 479360 487424 494768 495635 501760 505750 509320 512000 517888 524288 524300 533120 544000 547840 548800 557056 566440 573440 578000 582080 583100 587216 591872 599200 609280 618460 623917 627200 636650 647360 655360 655375 666400 671104 684800 686000 696320 702464 708050 713048 716800 727600 728875 734020 739840 746368 749000 761600 766976 773075 784000 793016 802816 809200 814912 819200 833000 838880 852992 856000 865844 870400 876544 878080 891310 896000 906304 909500 917504 917525 924800 931328 932960 952000 958720 974848 989536 991270 1003520 1011500 1018640 1024000 1035776 1048576 1048600 1066240 1082305 1088000 1095680 1097600 1114112 1132880 1146880 1156000 1164160 1166200 1174432 1183744 1198400 1218560 1236920 1247834 1254400 1273300 1294720 1310720 1310750 1332800 1342208 1369600 1372000 1392640 1404928 1416100 1426096 1433600 1455200 1457750 1468040 1479680 1492736 1498000 1515227 1523200 1533952 1546150 1568000 1586032 1591625 1605632 1618400 1629824 1638400 1666000 1677760 1705984 1712000 1731688 1740800 1753088 1756160 1770125 1782620 1792000 1812608 1819000 1835008 1835050 1849600 1862656 1865920 1904000 1917440 1949696 1979072 1982540 2007040 2023000 2037280 2048000 2071552 2097152 2097200 2132480 2164610 2176000 2191360 2195200 2228224 2228275 2265760 2293760 2312000 2328320 2332400 2348864 2367488 2396800 2437120 2473840 2478175 2495668 2508800 2546600 2589440 2621440 2621500 2665600 2684416 2739200 2744000 2785280 2809856 2832200 2852192 2867200 2910400 2915500 2936080 2959360 2985472 2996000 3030454 3046400 3067904 3092300 3119585 3136000 3172064 3183250 3211264 3236800 3259648 3276800 3332000 3355520 3411968 3424000 3463376 3481600 3506176 3512320 3540250 3565240 3584000 3625216 3638000 3670016 3670100 3699200 3725312 3731840 3808000 3834880 3865375 3899392 3958144 3965080 4014080 4046000 4074560 4096000 4143104 4194400 4264960 4329220 4352000 4382720 4390400 4456448 4456550 4531520 4587520 4587625 4624000 4656640 4664800 4697728 4734976 4793600 4874240 4947680 4956350 4991336 5017600 5093200 5178880 5242880 5243000 5331200 5368832 5411525 5478400 5488000 5570560 5619712 5664400 5704384 5734400 5820800 5831000 5872160 5918720 5970944 5992000 6060908 6092800 6135808 6184600 6239170 6272000 6344128 6366500 6422528 6473600 6519296 6553600 6664000 6711040 6823936 6848000 6926752 6963200 7012352 7024640 7080500 7130480 7168000 7250432 7276000 7340032 7340200 7398400 7450624 7463680 7576135 7616000 7669760 7730750 7798784 7916288 7930160 8028160 8092000 8149120 8192000 8286208 8388800 8529920 8658440 8704000 8765440 8780800 8912896 8913100 9063040 9175040 9175250 9248000 9313280 9329600 9395456 9469952 9587200 9748480 9895360 9912700 9982672 10035200 10186400 10357760 10485760 10486000 10606589 10662400 10737664 10823050 10956800 10976000 11141120 11141375 11239424 11328800 11408768 11468800 11641600 11662000 11744320 11837440 11941888 11984000 12121816 12185600 12271616 12369200 12390875 12478340 12544000 12688256 12733000 12845056 12947200 13038592 13107200 13328000 13422080 13647872 13696000 13853504 13926400 14024704 14049280 14161000 14260960 14336000 14500864 14552000 14680064 14680400 14796800 14901248 14927360 15152270 15232000 15339520 15461500 15597568 15597925 15832576 15860320 16056320 16184000 16298240 16384000 16572416 16777600 17059840 17316880 17408000 17530880 17561600 17825792 17826200 18126080 18350080 18350500 18496000 18626560 18659200 18790912 18939904 19174400 19496960 19790720 19825400 19965344 20070400 20372800 20715520 20972000 21213178 21324800 21475328 21646100 21913600 21952000 22282240 22282750 22478848 22657600 22817536 22937600 23283200 23324000 23488640 23674880 23883776 23968000 24243632 24371200 24543232 24738400 24781750 24956680 25088000 25376512 25466000 25690112 25894400 26077184 26214400 26656000 26844160 27057625 27295744 27392000 27707008 27852800 28049408 28098560 28322000 28521920 28672000 29001728 29104000 29360800 29593600 29802496 29854720 30304540 30464000 30679040 30923000 31195136 31195850 31665152 31720640 32112640 32368000 32596480 32768000 33144832 33555200 34119680 34633760 34816000 35061760 35123200 35651584 35652400 36252160 36700160 36701000 36992000 37253120 37318400 37581824 37879808 37880675 38348800 38993920 39581440 39650800 39930688 40140800 40745600 41431040 41944000 42426356 42649600 42950656 43292200 43827200 43904000 44564480 44565500 44957696 45315200 45635072 45875200 46566400 46648000 46977280 47349760 47767552 47936000 48487264 48742400 49086464 49476800 49563500 49913360 50176000 50753024 50932000 51380224 51788800 52154368 52428800 53032945 53312000 53688320 54115250 54591488 54784000 55414016 55705600 56098816 56197120 56644000 57043840 57344000 58003456 58208000 58721600 59187200 59604992 59709440 60609080 60928000 61358080 61846000 62390272 62391700 63330304 63441280 64225280 64736000 65192960 65536000 66289664 67110400 68239360 69267520 69632000 70123520 70246400 71304800 72504320 73400320 73402000 73984000 74506240 74636800 75163648 75759616 75761350 76697600 77987840 77989625 79162880 79301600 79861376 80281600 81491200 82862080 83888000 84852712 85299200 85901312 86584400 87654400 87808000 89128960 89131000 89915392 90630400 91270144 91750400 93132800 93296000 93954560 94699520 95535104 95872000 96974528 97484800 98172928 98953600 99127000 99826720 100352000 101506048 101864000 102760448 103577600 104308736 106065890 106624000 107376640 108230500 109182976 109568000 110828032 111411200 112197632 112394240 113288000 114087680 114688000 116006912 116416000 117443200 118374400 119209984 119418880 121218160 121856000 122716160 123692000 124780544 124783400 126660608 126882560 128450560 129472000 130385920 131072000 132579328 134220800 136478720 138535040 139264000 140247040 140492800 142609600 145008640 146804000 147968000 149012480 149273600 150327296 151519232 151522700 153395200 155975680 155979250 158325760 158603200 159722752 160563200 162982400 165724160 167776000 169705424 170598400 171802624 173168800 175308800 175616000 178257920 178262000 179830784 181260800 182540288 183500800 186265600 186592000 187909120 189399040 189403375 191070208 191744000 193949056 194969600 196345856 197907200 198254000 199653440 200704000 203012096 203728000 207155200 208617472 212131780 213248000 214753280 216461000 218365952 219136000 221656064 222822400 224395264 224788480 226576000 228175360 229376000 232013824 232832000 234886400 236748800 238419968 238837760 242436320 243712000 245432320 247384000 249561088 249566800 253321216 253765120 256901120 258944000 260771840 262144000 265158656 265164725 268441600 272957440 277070080 278528000 280494080 280985600 285219200 290017280 293608000 295936000 298024960 298547200 300654592 303038464 303045400 306790400 311951360 311958500 316651520 317206400 319445504 321126400 325964800 331448320 335552000 339410848 341196800 343605248 346337600 350617600 351232000 356524000 359661568 362521600 365080576 367001600 372531200 373184000 375818240 378798080 378806750 382140416 383488000 387898112 389939200 392691712 395814400 396508000 399306880 401408000 406024192 407456000 414310400 417234944 424263560 426496000 429506560 432922000 436731904 438272000 443312128 445644800 449576960 453152000 456350720 458752000 464027648 465664000 469772800 473497600 476839936 477675520 484872640 487424000 490864640 494768000 499133600 506642432 507530240 513802240 517888000 521543680 530317312 530329450 536883200 545914880 554140160 557056000 560988160 561971200 570438400 580034560 587216000 591872000 596049920 597094400 601309184 606076928 606090800 613580800 623902720 623917000 633303040 634412800 638891008 642252800 651929600 662896640 671104000 678821696 682393600 687210496 692675200 701235200 702464000 713048000 719323136 725043200 730161152 745062400 746368000 751636480 757596160 757613500 764280832 766976000 775796224 779878400 785383424 791628800 793016000 798613760 802816000 812048384 814912000 828620800 834469888 848527120 852992000 859013120 865844000 873463808 876544000 886624256 891289600 899153920 906304000 912701440 917504000 928055296 931328000 939545600 946995200 953679872 955351040 969745280 974848000 981729280 989536000 998267200 1013284864 1015060480 1035776000 1043087360 1060634624 1060658900 1073766400 1091829760 1108280320 1114112000 1121976320 1123942400 1140876800 1160069120 1174432000 1183744000 1192099840 1194188800 1202618368 1212181600 1227161600 1247805440 1247834000 1266606080 1268825600 1277782016 1284505600 1303859200 1325793280 1325823625 1342208000 1357643392 1364787200 1374420992 1385350400 1402470400 1404928000 1426096000 1450086400 1460322304 1490124800 1492736000 1503272960 1515192320 1515227000 1528561664 1533952000 1551592448 1559756800 1570766848 1583257600 1586032000 1597227520 1605632000 1624096768 1629824000 1657241600 1668939776 1697054240 1705984000 1718026240 1731688000 1746927616 1753088000 1773248512 1798307840 1812608000 1825402880 1835008000 1856110592 1862656000 1879091200 1893990400 1907359744 1910702080 1939490560 1949696000 1963458560 1979072000 1996534400 2026569728 2030120960 2071552000 2086174720 2121269248 2121317800 2147532800 2183659520 2216560640 2228224000 2247884800 2281753600 2320138240 2348864000 2367488000 2384199680 2388377600 2405236736 2424363200 2454323200 2495668000 2533212160 2537651200 2555564032 2569011200 2607718400 2651586560 2651647250 2684416000 2715286784 2729574400 2748841984 2770700800 2804940800 2809856000 2852192000 2900172800 2920644608 2980249600 2985472000 3006545920 3030384640 3030454000 3057123328 3067904000 3103184896 3119513600 3166515200 3172064000 3194455040 3211264000 3248193536 3259648000 3314483200 3337879552 3394108480 3411968000 3436052480 3463376000 3506176000 3546497024 3596615680 3625216000 3650805760 3712221184 3725312000 3758182400 3787980800 3814719488 3821404160 3878981120 3899392000 3926917120 3958144000 3993068800 4053139456 4060241920 4143104000 4172349440 4242538496 4242635600 4295065600 4367319040 4433121280 4456448000 4495769600 4563507200 4640276480 4697728000 4734976000 4768399360 4776755200 4810473472 4848726400 4908646400 4991336000 5066424320 5075302400 5111128064 5215436800 5303173120 5303294500 5368832000 5430573568 5459148800 5497683968 5541401600 5609881600 5619712000 5704384000 5800345600 5841289216 5960499200 5970944000 6013091840 6060908000 6114246656 6135808000 6206369792 6239027200 6333030400 6344128000 6388910080 6422528000 6496387072 6519296000 6628966400 6675759104 6788216960 6823936000 6872104960 6926752000 7012352000 7092994048 7250432000 7301611520 7424442368 7450624000 7516364800 7575961600 7642808320 7757962240 7798784000 7853834240 7916288000 7986137600 8106278912 8120483840 8286208000 8344698880 8485271200 8590131200 8734638080 8866242560 8991539200 9127014400 9280552960 9395456000 9469952000 9536798720 9553510400 9620946944 9697452800 9817292800 9982672000 10132848640 10150604800 10222256128 10430873600 10606346240 10606589000 10737664000 10861147136 10918297600 10995367936 11082803200 11239424000 11408768000 11600691200 11682578432 11920998400 11941888000 12026183680 12121816000 12228493312 12271616000 12412739584 12666060800 12688256000 12777820160 12845056000 12992774144 13038592000 13257932800 13351518208 13576433920 13647872000 13744209920 13853504000 14024704000 14185988096 14500864000 14603223040 14848884736 14901248000 15032729600 15151923200 15285616640 15515924480 15597568000 15832576000 15972275200 16212557824 16240967680 16572416000 16689397760 16970542400 17180262400 17732485120 17983078400 18254028800 18561105920 18790912000 18939904000 19073597440 19107020800 19241893888 19394905600 19634585600 19965344000 20265697280 20301209600 20444512256 20861747200 21212692480 21213178000 21475328000 21722294272 21836595200 22165606400 22478848000 22817536000 23201382400 23365156864 23841996800 23883776000 24052367360 24243632000 24543232000 24825479168 25332121600 25376512000 25555640320 25985548288 26077184000 26515865600 26703036416 27152867840 27295744000 27488419840 27707008000 28049408000 28371976192 29001728000 29206446080 29697769472 29802496000 30065459200 30571233280 31031848960 31195136000 31665152000 31944550400 32425115648 32481935360 33144832000 33378795520 33941084800 34360524800 35464970240 36508057600 37122211840 37581824000 37879808000 38214041600 38483787776 38789811200 39269171200 39930688000 40531394560 40602419200 40889024512 41723494400 42426356000 42950656000 43444588544 43673190400 44331212800 44957696000 45635072000 46402764800 46730313728 47683993600 47767552000 48104734720 48487264000 49086464000 49650958336 50664243200 50753024000 51111280640 51971096576 52154368000 53031731200 54305735680 54591488000 54976839680 55414016000 56743952384 58003456000 58412892160 59604992000 60130918400 61142466560 62063697920 63330304000 63889100800 64850231296 64963870720 66289664000 66757591040 67882169600 68721049600 70929940480 73016115200 74244423680 75163648000 75759616000 76428083200 76967575552 77579622400 79861376000 81062789120 81204838400 81778049024 83446988800 84852712000 85901312000 86889177088 88662425600 89915392000 91270144000 92805529600 93460627456 95367987200 95535104000 96209469440 96974528000 98172928000 99301916672 101328486400 101506048000 102222561280 103942193152 104308736000 106063462400 108611471360 109182976000 110828032000 113487904768 116006912000 116825784320 119209984000 120261836800 124127395840 126660608000 127778201600 129927741440 132579328000 133515182080 135764339200 137442099200 141859880960 146032230400 148488847360 150327296000 152856166400 155159244800 159722752000 162125578240 162409676800 163556098048 166893977600 169705424000 171802624000 173778354176 177324851200 182540288000 185611059200 186921254912 191070208000 192418938880 193949056000 196345856000 198603833344 202656972800 203012096000 204445122560 207884386304 208617472000 217222942720 218365952000 221656064000 226975809536 232013824000 233651568640 238419968000 240523673600 248254791680 253321216000 255556403200 259855482880 265158656000 271528678400 274884198400 283719761920 292064460800 300654592000 305712332800 310318489600 319445504000 324251156480 324819353600 327112196096 333787955200 339410848000 343605248000 347556708352 354649702400 365080576000 371222118400 382140416000 384837877760 387898112000 397207666688 405313945600 406024192000 408890245120 417234944000 434445885440 443312128000 453951619072 464027648000 467303137280 476839936000 481047347200 496509583360 506642432000 511112806400 519710965760 530317312000 543057356800 567439523840 584128921600 601309184000 620636979200 638891008000 649638707200 654224392192 667575910400 678821696000 687210496000 695113416704 709299404800 730161152000 742444236800 764280832000 775796224000 794415333376 810627891200 812048384000 817780490240 834469888000 868891770880 886624256000 928055296000 934606274560 962094694400 993019166720 1013284864000 1022225612800 1039421931520 1086114713600 1134879047680 1168257843200 1202618368000 1241273958400 1277782016000 1299277414400 1308448784384 1357643392000 1374420992000 1390226833408 1418598809600 1460322304000 1528561664000 1551592448000 1588830666752 1621255782400 1624096768000 1635560980480 1668939776000 1737783541760 1773248512000 1856110592000 1924189388800 1986038333440 2026569728000 2044451225600 2172229427200 2269758095360 2336515686400 2405236736000 2482547916800 2555564032000 2598554828800 2715286784000 2780453666816 2837197619200 2920644608000 3103184896000 3177661333504 3248193536000 3271121960960 3337879552000 3475567083520 3546497024000 3712221184000 3972076666880 4053139456000 4088902451200 4344458854400 4673031372800 4810473472000 4965095833600 5111128064000 5197109657600 5430573568000 5560907333632 5674395238400 5841289216000 6206369792000 6496387072000 6542243921920 6951134167040 7092994048000 7944153333760 8106278912000 8177804902400 8688917708800 9620946944000 9930191667200 10222256128000 10861147136000 11121814667264 11348790476800 11682578432000 12412739584000 12992774144000 13902268334080 14185988096000 15888306667520 16355609804800 17377835417600 19860383334400 20444512256000 21722294272000 22243629334528 23365156864000 24825479168000 25985548288000 27804536668160 28371976192000 32711219609600 34755670835200 39720766668800 40889024512000 43444588544000 49650958336000 55609073336320 56743952384000 69511341670400 79441533337600 81778049024000 86889177088000 99301916672000 111218146672640 139022683340800 163556098048000 173778354176000 198603833344000 278045366681600 347556708352000 397207666688000 556090733363200 695113416704000 1390226833408000 2780453666816000
- Sum of all divisors σ(n): 8677737760723200
- Sum of proper divisors (its aliquot sum) s(n): 5897284093907200
- 2780453666816000 is an abundant number, because the sum of its proper divisors (5897284093907200) is greater than itself. Its abundance is 3116830427091200
Bases of 2780453666816000
- Binary: 10011110000011001110110100010010000000000000000000002
- Hexadecimal: 0x9E0CED1200000
- Base-36: RDL6S41AM8
Squares and roots of 2780453666816000
- 2780453666816000 squared (27804536668160002) is 7730922593310539939577856000000
- 2780453666816000 cubed (27804536668160003) is 21495472072440950687580068798315626496000000000
-
The
square root of 2780453666816000 is 52730007.2711544389 -
The
cube root of 2780453666816000 is 140617.2350415277
Scales and comparisons
How big is 2780453666816000?- 2,780,453,666,816,000 seconds is equal to 88,409,826 years, 5 weeks, 6 hours, 13 minutes, 20 seconds.
-
To count from 1 to 2,780,453,666,816,000 would take you about two hundred sixty-five million, two hundred twenty-nine thousand, four hundred seventy-eight 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 2780453666816000 cubic inches would be around 11718.1 feet tall.
Recreational maths with 2780453666816000
- 2780453666816000 backwards is 0006186663540872
- The number of decimal digits it has is: 16
- The sum of 2780453666816000'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 2780453666816000 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.
APA style:
Numbermatics. (2024). Number 2780453666816000 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/2780453666816000/
Chicago style:
Numbermatics. 2024. "Number 2780453666816000 - Facts about the integer". https://numbermatics.com/n/2780453666816000/
The information we have on file for 2780453666816000 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 2780453666816000, math, Factors of 2780453666816000, curriculum, school, college, exams, university, Prime factorization of 2780453666816000, STEM, science, technology, engineering, physics, economics, calculator, two quadrillion, seven hundred eighty trillion, four hundred fifty-three billion, six hundred sixty-six million, eight hundred sixteen thousand.