23074813440000
23,074,813,440,000 is an even composite number composed of five prime numbers multiplied together.
23074813440000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two thousand, three hundred forty divisors.
Prime factorization of 23074813440000:
212 × 35 × 54 × 72 × 757
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 7 × 7 × 757)See below for interesting mathematical facts about the number 23074813440000 from the Numbermatics database.
Names of 23074813440000
- Cardinal: 23074813440000 can be written as Twenty-three trillion, seventy-four billion, eight hundred thirteen million, four hundred forty thousand.
Scientific notation
- Scientific notation: 2.307481344 × 1013
Factors of 23074813440000
Divisors of 23074813440000
- Number of divisors d(n): 2340
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 32 35 36 40 42 45 48 49 50 54 56 60 63 64 70 72 75 80 81 84 90 96 98 100 105 108 112 120 125 126 128 135 140 144 147 150 160 162 168 175 180 189 192 196 200 210 216 224 225 240 243 245 250 252 256 270 280 288 294 300 315 320 324 336 350 360 375 378 384 392 400 405 420 432 441 448 450 480 486 490 500 504 512 525 540 560 567 576 588 600 625 630 640 648 672 675 700 720 735 750 756 757 768 784 800 810 840 864 875 882 896 900 945 960 972 980 1000 1008 1024 1050 1080 1120 1125 1134 1152 1176 1200 1215 1225 1250 1260 1280 1296 1323 1344 1350 1400 1440 1470 1500 1512 1514 1536 1568 1575 1600 1620 1680 1701 1728 1750 1764 1792 1800 1875 1890 1920 1944 1960 2000 2016 2025 2048 2100 2160 2205 2240 2250 2268 2271 2304 2352 2400 2430 2450 2500 2520 2560 2592 2625 2646 2688 2700 2800 2835 2880 2940 3000 3024 3028 3072 3136 3150 3200 3240 3360 3375 3402 3456 3500 3528 3584 3600 3675 3750 3780 3785 3840 3888 3920 3969 4000 4032 4050 4096 4200 4320 4375 4410 4480 4500 4536 4542 4608 4704 4725 4800 4860 4900 5000 5040 5120 5184 5250 5292 5299 5376 5400 5600 5625 5670 5760 5880 6000 6048 6056 6075 6125 6144 6272 6300 6400 6480 6615 6720 6750 6804 6813 6912 7000 7056 7168 7200 7350 7500 7560 7570 7680 7776 7840 7875 7938 8000 8064 8100 8400 8505 8640 8750 8820 8960 9000 9072 9084 9216 9408 9450 9600 9720 9800 10000 10080 10125 10240 10368 10500 10584 10598 10752 10800 11025 11200 11250 11340 11355 11520 11760 11907 12000 12096 12112 12150 12250 12288 12544 12600 12800 12960 13125 13230 13440 13500 13608 13626 13824 14000 14112 14175 14336 14400 14700 15000 15120 15140 15360 15552 15680 15750 15876 15897 16000 16128 16200 16800 16875 17010 17280 17500 17640 17920 18000 18144 18168 18375 18432 18816 18900 18925 19200 19440 19600 19845 20000 20160 20250 20439 20480 20736 21000 21168 21196 21504 21600 22050 22400 22500 22680 22710 23040 23520 23625 23814 24000 24192 24224 24300 24500 25088 25200 25600 25920 26250 26460 26495 26880 27000 27216 27252 27648 28000 28224 28350 28672 28800 29400 30000 30240 30280 30375 30625 30720 31104 31360 31500 31752 31794 32000 32256 32400 33075 33600 33750 34020 34065 34560 35000 35280 35840 36000 36288 36336 36750 36864 37093 37632 37800 37850 38400 38880 39200 39375 39690 40000 40320 40500 40878 41472 42000 42336 42392 42525 43008 43200 44100 44800 45000 45360 45420 46080 47040 47250 47628 47691 48000 48384 48448 48600 49000 50176 50400 50625 51200 51840 52500 52920 52990 53760 54000 54432 54504 55125 55296 56000 56448 56700 56775 57600 58800 59535 60000 60480 60560 60750 61250 61317 61440 62208 62720 63000 63504 63588 64000 64512 64800 66150 67200 67500 68040 68130 69120 70000 70560 70875 71680 72000 72576 72672 73500 74186 75264 75600 75700 76800 77760 78400 78750 79380 79485 80000 80640 81000 81756 82944 84000 84672 84784 85050 86016 86400 88200 89600 90000 90720 90840 91875 92160 94080 94500 94625 95256 95382 96000 96768 96896 97200 98000 99225 100352 100800 101250 102195 102400 103680 105000 105840 105980 107520 108000 108864 109008 110250 110592 111279 112000 112896 113400 113550 115200 117600 118125 119070 120000 120960 121120 121500 122500 122634 124416 125440 126000 127008 127176 128000 129024 129600 132300 132475 134400 135000 136080 136260 138240 140000 141120 141750 143073 143360 144000 145152 145344 147000 148372 150528 151200 151400 151875 153600 155520 156800 157500 158760 158970 160000 161280 162000 163512 165375 165888 168000 169344 169568 170100 170325 172800 176400 179200 180000 181440 181680 183750 183951 184320 185465 188160 189000 189250 190512 190764 192000 193536 193792 194400 196000 198450 200704 201600 202500 204390 207360 210000 211680 211960 212625 215040 216000 217728 218016 220500 222558 224000 225792 226800 227100 230400 235200 236250 238140 238455 240000 241920 242240 243000 245000 245268 248832 250880 252000 254016 254352 256000 258048 259200 264600 264950 268800 270000 272160 272520 275625 276480 280000 282240 283500 283875 286146 288000 290304 290688 294000 296744 297675 301056 302400 302800 303750 306585 307200 311040 313600 315000 317520 317940 320000 322560 324000 327024 330750 331776 333837 336000 338688 339136 340200 340650 345600 352800 354375 358400 360000 362880 363360 367500 367902 370930 376320 378000 378500 381024 381528 384000 387072 387584 388800 392000 396900 397425 403200 405000 408780 414720 420000 423360 423920 425250 429219 430080 432000 435456 436032 441000 445116 448000 451584 453600 454200 460800 470400 472500 473125 476280 476910 480000 483840 484480 486000 490000 490536 496125 497664 501760 504000 508032 508704 510975 512000 518400 529200 529900 537600 540000 544320 545040 551250 552960 556395 560000 564480 567000 567750 572292 576000 580608 581376 588000 593488 595350 602112 604800 605600 607500 613170 622080 627200 630000 635040 635880 640000 645120 648000 654048 661500 662375 667674 672000 677376 678272 680400 681300 691200 705600 708750 715365 716800 720000 725760 726720 735000 735804 741860 752640 756000 757000 762048 763056 768000 774144 775168 777600 784000 793800 794850 806400 810000 817560 826875 829440 840000 846720 847840 850500 851625 858438 864000 870912 872064 882000 890232 896000 903168 907200 908400 919755 921600 927325 940800 945000 946250 952560 953820 960000 967680 968960 972000 980000 981072 992250 995328 1001511 1003520 1008000 1016064 1017408 1021950 1036800 1058400 1059800 1063125 1075200 1080000 1088640 1090080 1102500 1112790 1120000 1128960 1134000 1135500 1144584 1152000 1161216 1162752 1176000 1186976 1190700 1192275 1209600 1211200 1215000 1226340 1244160 1254400 1260000 1270080 1271760 1280000 1287657 1290240 1296000 1308096 1323000 1324750 1335348 1344000 1354752 1356544 1360800 1362600 1382400 1411200 1417500 1419375 1430730 1440000 1451520 1453440 1470000 1471608 1483720 1488375 1505280 1512000 1514000 1524096 1526112 1532925 1536000 1550336 1555200 1568000 1587600 1589700 1612800 1620000 1635120 1653750 1658880 1669185 1680000 1693440 1695680 1701000 1703250 1716876 1728000 1741824 1744128 1764000 1780464 1792000 1806336 1814400 1816800 1839510 1854650 1881600 1890000 1892500 1905120 1907640 1920000 1935360 1937920 1944000 1960000 1962144 1984500 1987125 2003022 2016000 2032128 2034816 2043900 2073600 2116800 2119600 2126250 2146095 2150400 2160000 2177280 2180160 2205000 2225580 2240000 2257920 2268000 2271000 2289168 2304000 2322432 2325504 2352000 2373952 2381400 2384550 2419200 2422400 2430000 2452680 2480625 2488320 2508800 2520000 2540160 2543520 2554875 2560000 2575314 2592000 2616192 2646000 2649500 2670696 2688000 2709504 2713088 2721600 2725200 2764800 2781975 2822400 2835000 2838750 2861460 2880000 2903040 2906880 2940000 2943216 2967440 2976750 3004533 3010560 3024000 3028000 3048192 3052224 3065850 3100672 3110400 3136000 3175200 3179400 3225600 3240000 3270240 3307500 3311875 3338370 3360000 3386880 3391360 3402000 3406500 3433752 3456000 3483648 3488256 3528000 3560928 3576825 3584000 3628800 3633600 3679020 3709300 3763200 3780000 3785000 3810240 3815280 3840000 3870720 3875840 3888000 3920000 3924288 3969000 3974250 4006044 4032000 4064256 4069632 4087800 4147200 4233600 4239200 4252500 4258125 4292190 4320000 4354560 4360320 4410000 4451160 4480000 4515840 4536000 4542000 4578336 4598775 4608000 4636625 4651008 4704000 4747904 4762800 4769100 4838400 4844800 4860000 4905360 4961250 4976640 5007555 5017600 5040000 5080320 5087040 5109750 5150628 5184000 5232384 5292000 5299000 5341392 5376000 5419008 5426176 5443200 5450400 5563950 5644800 5670000 5677500 5722920 5760000 5806080 5813760 5880000 5886432 5934880 5953500 5961375 6009066 6048000 6056000 6096384 6104448 6131700 6220800 6272000 6350400 6358800 6438285 6451200 6480000 6540480 6615000 6623750 6676740 6720000 6773760 6782720 6804000 6813000 6867504 6912000 6967296 6976512 7056000 7121856 7153650 7257600 7267200 7358040 7418600 7441875 7526400 7560000 7570000 7620480 7630560 7664625 7680000 7751680 7776000 7840000 7848576 7938000 7948500 8012088 8064000 8128512 8139264 8175600 8294400 8345925 8467200 8478400 8505000 8516250 8584380 8640000 8709120 8720640 8820000 8902320 8960000 9013599 9031680 9072000 9084000 9156672 9197550 9273250 9302016 9408000 9495808 9525600 9538200 9676800 9689600 9720000 9810720 9922500 9935625 10015110 10080000 10160640 10174080 10219500 10301256 10368000 10464768 10584000 10598000 10682784 10730475 10752000 10852352 10886400 10900800 11127900 11289600 11340000 11355000 11445840 11520000 11612160 11627520 11760000 11772864 11869760 11907000 11922750 12018132 12096000 12112000 12192768 12208896 12263400 12441600 12544000 12700800 12717600 12774375 12876570 12960000 13080960 13230000 13247500 13353480 13440000 13547520 13565440 13608000 13626000 13735008 13824000 13909875 13953024 14112000 14243712 14307300 14515200 14534400 14716080 14837200 14883750 15022665 15052800 15120000 15140000 15240960 15261120 15329250 15503360 15552000 15680000 15697152 15876000 15897000 16024176 16128000 16257024 16278528 16351200 16691850 16934400 16956800 17010000 17032500 17168760 17280000 17418240 17441280 17640000 17804640 17884125 17920000 18027198 18144000 18168000 18313344 18395100 18546500 18816000 18991616 19051200 19076400 19353600 19379200 19440000 19621440 19845000 19871250 20030220 20160000 20321280 20348160 20439000 20602512 20736000 20929536 21168000 21196000 21365568 21460950 21704704 21772800 21801600 22255800 22579200 22680000 22710000 22891680 22993875 23040000 23183125 23255040 23520000 23545728 23739520 23814000 23845500 24036264 24192000 24224000 24385536 24417792 24526800 24883200 25037775 25088000 25401600 25435200 25548750 25753140 25920000 26161920 26460000 26495000 26706960 26880000 27095040 27130880 27216000 27252000 27470016 27819750 27906048 28224000 28487424 28614600 29030400 29068800 29432160 29674400 29767500 29806875 30045330 30240000 30280000 30481920 30522240 30658500 31104000 31360000 31394304 31752000 31794000 32048352 32191425 32256000 32557056 32702400 33383700 33868800 33913600 34020000 34065000 34337520 34560000 34836480 34882560 35280000 35609280 35768250 36054396 36288000 36336000 36626688 36790200 37093000 37632000 37983232 38102400 38152800 38323125 38758400 38880000 39242880 39690000 39742500 40060440 40320000 40642560 40696320 40878000 41205024 41472000 41729625 41859072 42336000 42392000 42731136 42921900 43545600 43603200 44511600 45067995 45158400 45360000 45420000 45783360 45987750 46366250 46510080 47040000 47091456 47479040 47628000 47691000 48072528 48384000 48448000 48771072 48835584 49053600 50075550 50803200 50870400 51097500 51506280 51840000 52323840 52920000 52990000 53413920 53652375 53760000 54261760 54432000 54504000 54940032 55639500 56448000 56974848 57229200 58060800 58137600 58864320 59348800 59535000 59613750 60090660 60480000 60560000 60963840 61044480 61317000 62208000 62720000 62788608 63504000 63588000 64096704 64382850 65114112 65404800 66767400 67737600 67827200 68040000 68130000 68675040 69120000 69549375 69765120 70560000 71218560 71536500 72108792 72576000 72672000 73253376 73580400 74186000 75113325 75264000 75966464 76204800 76305600 76646250 77516800 77760000 78485760 79380000 79485000 80120880 80640000 81285120 81392640 81756000 82410048 83459250 83718144 84672000 84784000 85462272 85843800 87091200 87206400 89023200 89420625 90135990 90720000 90840000 91566720 91975500 92732500 94080000 94182912 94958080 95256000 95382000 96145056 96768000 96896000 97671168 98107200 100151100 101606400 101740800 102195000 103012560 103680000 104647680 105840000 105980000 106827840 107304750 108523520 108864000 109008000 109880064 111279000 112896000 113949696 114458400 114969375 116275200 117728640 118697600 119070000 119227500 120181320 120960000 121120000 121927680 122088960 122634000 124416000 125188875 125440000 125577216 127008000 127176000 128193408 128765700 130809600 133534800 135475200 135654400 136080000 136260000 137350080 139098750 139530240 141120000 142437120 143073000 144217584 145152000 145344000 146506752 147160800 148372000 150226650 151932928 152409600 152611200 153292500 155520000 156971520 158760000 158970000 160241760 160957125 161280000 162785280 163512000 164820096 166918500 169344000 169568000 170924544 171687600 174182400 174412800 178046400 178841250 180271980 181440000 181680000 183133440 183951000 185465000 188160000 188365824 189916160 190512000 190764000 192290112 193792000 195342336 196214400 200302200 203212800 203481600 204390000 206025120 207360000 208648125 209295360 211680000 211960000 213655680 214609500 217728000 218016000 219760128 222558000 225339975 225792000 227899392 228916800 229938750 232550400 235457280 237395200 238140000 238455000 240362640 241920000 242240000 243855360 244177920 245268000 250377750 251154432 254016000 254352000 256386816 257531400 261619200 267069600 268261875 271308800 272160000 272520000 274700160 278197500 282240000 284874240 286146000 288435168 290304000 290688000 293013504 294321600 296744000 300453300 304819200 305222400 306585000 311040000 313943040 317520000 317940000 320483520 321914250 325570560 327024000 329640192 333837000 338688000 339136000 341849088 343375200 348825600 356092800 357682500 360543960 362880000 363360000 366266880 367902000 370930000 375566625 376320000 376731648 379832320 381024000 381528000 384580224 387584000 392428800 400604400 406425600 406963200 408780000 412050240 417296250 418590720 423360000 423920000 427311360 429219000 435456000 436032000 439520256 445116000 450679950 455798784 457833600 459877500 470914560 474790400 476280000 476910000 480725280 483840000 484480000 488355840 490536000 500755500 508032000 508704000 512773632 515062800 523238400 534139200 536523750 542617600 544320000 545040000 549400320 556395000 564480000 569748480 572292000 576870336 581376000 586027008 588643200 593488000 600906600 609638400 610444800 613170000 622080000 625944375 627886080 635040000 635880000 640967040 643828500 654048000 659280384 667674000 677376000 678272000 683698176 686750400 697651200 712185600 715365000 721087920 725760000 726720000 732533760 735804000 741860000 751133250 753463296 759664640 762048000 763056000 769160448 784857600 801208800 804785625 813926400 817560000 824100480 834592500 846720000 847840000 854622720 858438000 870912000 872064000 879040512 890232000 901359900 915667200 919755000 941829120 949580800 952560000 953820000 961450560 968960000 976711680 981072000 1001511000 1016064000 1017408000 1025547264 1030125600 1046476800 1068278400 1073047500 1088640000 1090080000 1098800640 1112790000 1126699875 1128960000 1139496960 1144584000 1153740672 1162752000 1177286400 1186976000 1201813200 1219276800 1220889600 1226340000 1251888750 1255772160 1270080000 1271760000 1281934080 1287657000 1308096000 1318560768 1335348000 1356544000 1367396352 1373500800 1424371200 1430730000 1442175840 1451520000 1453440000 1465067520 1471608000 1483720000 1502266500 1524096000 1526112000 1538320896 1569715200 1602417600 1609571250 1627852800 1635120000 1648200960 1669185000 1693440000 1695680000 1709245440 1716876000 1744128000 1758081024 1780464000 1802719800 1831334400 1839510000 1877833125 1883658240 1899161600 1905120000 1907640000 1922901120 1937920000 1962144000 2003022000 2032128000 2034816000 2051094528 2060251200 2092953600 2136556800 2146095000 2177280000 2180160000 2197601280 2225580000 2253399750 2278993920 2289168000 2307481344 2354572800 2373952000 2403626400 2441779200 2452680000 2503777500 2540160000 2543520000 2563868160 2575314000 2616192000 2637121536 2670696000 2713088000 2747001600 2848742400 2861460000 2884351680 2906880000 2930135040 2943216000 2967440000 3004533000 3048192000 3052224000 3076641792 3139430400 3204835200 3219142500 3270240000 3296401920 3338370000 3386880000 3391360000 3418490880 3433752000 3488256000 3560928000 3605439600 3662668800 3679020000 3755666250 3767316480 3798323200 3810240000 3815280000 3845802240 3924288000 4006044000 4069632000 4102189056 4120502400 4273113600 4292190000 4354560000 4360320000 4395202560 4451160000 4506799500 4578336000 4614962688 4709145600 4747904000 4807252800 4883558400 4905360000 5007555000 5080320000 5087040000 5127736320 5150628000 5232384000 5274243072 5341392000 5494003200 5633499375 5697484800 5722920000 5768703360 5813760000 5886432000 5934880000 6009066000 6096384000 6104448000 6153283584 6278860800 6409670400 6438285000 6540480000 6592803840 6676740000 6782720000 6836981760 6867504000 7121856000 7210879200 7325337600 7358040000 7511332500 7620480000 7630560000 7691604480 7848576000 8012088000 8139264000 8241004800 8546227200 8584380000 8720640000 8790405120 8902320000 9013599000 9156672000 9229925376 9418291200 9495808000 9614505600 9810720000 10015110000 10160640000 10174080000 10255472640 10301256000 10464768000 10682784000 10988006400 11266998750 11394969600 11445840000 11537406720 11772864000 11869760000 12018132000 12208896000 12306567168 12819340800 12876570000 13080960000 13185607680 13353480000 13565440000 13735008000 14243712000 14421758400 14650675200 14716080000 15022665000 15240960000 15261120000 15383208960 15697152000 16024176000 16482009600 17092454400 17168760000 17441280000 17804640000 18027198000 18313344000 18459850752 18836582400 18991616000 19229011200 19621440000 20030220000 20348160000 20510945280 20602512000 21365568000 21976012800 22533997500 22891680000 23074813440 23545728000 23739520000 24036264000 24417792000 25638681600 25753140000 26161920000 26371215360 26706960000 27470016000 28487424000 28843516800 29432160000 30045330000 30481920000 30522240000 30766417920 31394304000 32048352000 32964019200 34184908800 34337520000 35609280000 36054396000 36626688000 36919701504 38458022400 39242880000 40060440000 40696320000 41205024000 42731136000 43952025600 45067995000 45783360000 46149626880 47091456000 47479040000 48072528000 51277363200 51506280000 52323840000 53413920000 54940032000 56974848000 57687033600 58864320000 60090660000 61044480000 61532835840 64096704000 65928038400 68675040000 71218560000 72108792000 73253376000 76916044800 78485760000 80120880000 82410048000 85462272000 90135990000 91566720000 92299253760 94182912000 94958080000 96145056000 102554726400 103012560000 106827840000 109880064000 115374067200 117728640000 120181320000 122088960000 128193408000 131856076800 137350080000 142437120000 144217584000 153832089600 156971520000 160241760000 164820096000 170924544000 180271980000 183133440000 184598507520 192290112000 206025120000 213655680000 219760128000 230748134400 235457280000 240362640000 256386816000 274700160000 284874240000 288435168000 307664179200 320483520000 329640192000 360543960000 366266880000 384580224000 412050240000 427311360000 461496268800 470914560000 480725280000 512773632000 549400320000 576870336000 640967040000 659280384000 721087920000 769160448000 824100480000 854622720000 922992537600 961450560000 1098800640000 1153740672000 1281934080000 1442175840000 1538320896000 1648200960000 1922901120000 2307481344000 2563868160000 2884351680000 3296401920000 3845802240000 4614962688000 5768703360000 7691604480000 11537406720000 23074813440000
- Sum of all divisors σ(n): 100608205962264
- Sum of proper divisors (its aliquot sum) s(n): 77533392522264
- 23074813440000 is an abundant number, because the sum of its proper divisors (77533392522264) is greater than itself. Its abundance is 54458579082264
Bases of 23074813440000
- Binary: 1010011111100100001100000111011110000000000002
- Hexadecimal: 0x14FC860EF000
- Base-36: 86GF85C00
Squares and roots of 23074813440000
- 23074813440000 squared (230748134400002) is 532447015290804633600000000
- 23074813440000 cubed (230748134400003) is 12286115544520144267807555584000000000000
-
The
square root of 23074813440000 is 4803625.0311613625 -
The
cube root of 23074813440000 is 28469.4711322241
Scales and comparisons
How big is 23074813440000?- 23,074,813,440,000 seconds is equal to 733,707 years, 36 weeks.
-
To count from 1 to 23,074,813,440,000 would take you about one million, eight hundred thirty-four thousand, two hundred sixty-nine 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 23074813440000 cubic inches would be around 2372.5 feet tall.
Recreational maths with 23074813440000
- 23074813440000 backwards is 00004431847032
- 23074813440000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 23074813440000's digits is 36
- 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 23074813440000 - Facts about the integer". Numbermatics.com. 2024. Web. 11 June 2024.
APA style:
Numbermatics. (2024). Number 23074813440000 - Facts about the integer. Retrieved 11 June 2024, from https://numbermatics.com/n/23074813440000/
Chicago style:
Numbermatics. 2024. "Number 23074813440000 - Facts about the integer". https://numbermatics.com/n/23074813440000/
The information we have on file for 23074813440000 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 23074813440000, math, Factors of 23074813440000, curriculum, school, college, exams, university, Prime factorization of 23074813440000, STEM, science, technology, engineering, physics, economics, calculator, twenty-three trillion, seventy-four billion, eight hundred thirteen million, four hundred forty thousand.