52370260668000
52,370,260,668,000 is an even composite number composed of six prime numbers multiplied together.
52370260668000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, three hundred four divisors.
Prime factorization of 52370260668000:
25 × 37 × 53 × 11 × 79 × 832
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 11 × 79 × 83 × 83)See below for interesting mathematical facts about the number 52370260668000 from the Numbermatics database.
Names of 52370260668000
- Cardinal: 52370260668000 can be written as Fifty-two trillion, three hundred seventy billion, two hundred sixty million, six hundred sixty-eight thousand.
Scientific notation
- Scientific notation: 5.2370260668 × 1013
Factors of 52370260668000
Divisors of 52370260668000
- Number of divisors d(n): 2304
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 66 72 75 79 80 81 83 88 90 96 99 100 108 110 120 125 132 135 144 150 158 160 162 165 166 176 180 198 200 216 220 225 237 240 243 249 250 264 270 275 288 297 300 316 324 330 332 352 360 375 395 396 400 405 415 432 440 450 474 480 486 495 498 500 528 540 550 594 600 632 648 660 664 675 711 720 729 747 750 790 792 800 810 825 830 864 869 880 891 900 913 948 972 990 996 1000 1056 1080 1100 1125 1185 1188 1200 1215 1245 1264 1296 1320 1328 1350 1375 1422 1440 1458 1485 1494 1500 1580 1584 1620 1650 1660 1738 1760 1782 1800 1826 1896 1944 1975 1980 1992 2000 2025 2075 2133 2160 2187 2200 2241 2250 2370 2376 2400 2430 2475 2490 2528 2592 2607 2640 2656 2673 2700 2739 2750 2844 2916 2970 2988 3000 3160 3168 3240 3300 3320 3375 3476 3555 3564 3600 3645 3652 3735 3792 3888 3950 3960 3984 4000 4050 4125 4150 4266 4320 4345 4374 4400 4455 4482 4500 4565 4740 4752 4860 4950 4980 5214 5280 5346 5400 5478 5500 5688 5832 5925 5940 5976 6000 6075 6225 6320 6399 6480 6557 6600 6640 6723 6750 6889 6952 7110 7128 7200 7290 7304 7425 7470 7584 7776 7821 7900 7920 7968 8019 8100 8217 8250 8300 8532 8690 8748 8800 8910 8964 9000 9130 9480 9504 9720 9875 9900 9960 10125 10375 10428 10665 10692 10800 10935 10956 11000 11205 11376 11664 11850 11880 11952 12000 12150 12375 12450 12640 12798 12960 13035 13114 13200 13280 13365 13446 13500 13695 13778 13904 14220 14256 14580 14608 14850 14940 15642 15800 15840 16038 16200 16434 16500 16600 17064 17380 17496 17775 17820 17928 18000 18225 18260 18675 18960 19197 19440 19671 19750 19800 19920 20169 20250 20667 20750 20856 21330 21384 21600 21725 21870 21912 22000 22275 22410 22752 22825 23328 23463 23700 23760 23904 24057 24300 24651 24750 24900 25596 26070 26228 26400 26730 26892 27000 27390 27556 27808 28440 28512 29160 29216 29625 29700 29880 30375 31125 31284 31600 31995 32076 32400 32785 32868 33000 33200 33615 34128 34445 34760 34992 35550 35640 35856 36000 36450 36520 37125 37350 37920 38394 38880 39105 39342 39500 39600 39840 40095 40338 40500 41085 41334 41500 41712 42660 42768 43450 43740 43824 44000 44550 44820 45650 46926 47400 47520 48114 48600 49302 49500 49800 51192 52140 52456 53325 53460 53784 54000 54675 54780 55112 56025 56880 57591 58320 59013 59250 59400 59760 60507 60750 62001 62250 62568 63200 63990 64152 64800 65175 65570 65736 66000 66400 66825 67230 68256 68475 68890 69520 69984 70389 71100 71280 71712 72127 72900 73040 73953 74250 74700 75779 76788 78210 78684 79000 79200 80190 80676 81000 82170 82668 83000 83424 85320 85536 86900 87480 87648 88875 89100 89640 91125 91300 93375 93852 94800 95985 96228 97200 98355 98604 99000 99600 100845 102384 103335 104280 104912 106650 106920 107568 108000 108625 109350 109560 110224 111375 112050 113760 114125 115182 116640 117315 118026 118500 118800 119520 120285 121014 121500 123255 124002 124500 125136 127980 128304 130350 131140 131472 132000 133650 134460 136950 137780 139040 140778 142200 142560 144254 145800 146080 147906 148500 149400 151558 153576 156420 157368 158000 159975 160380 161352 162000 163925 164340 165336 166000 168075 170640 172225 172773 173800 174960 177039 177750 178200 179280 181521 182250 182600 186003 186750 187704 189600 191970 192456 194400 195525 196710 197208 198000 199200 200475 201690 204768 205425 206670 208560 209824 211167 213300 213840 215136 216381 217250 218700 219120 220448 221859 222750 224100 227337 228250 230364 234630 236052 237000 237600 240570 242028 243000 246510 248004 249000 250272 255960 256608 260700 262280 262944 266625 267300 268920 273375 273900 275560 280125 281556 284400 287955 288508 291600 295065 295812 297000 298800 302535 303116 307152 310005 312840 314736 316000 319950 320760 322704 324000 325875 327850 328680 330672 332000 334125 336150 341280 342375 344450 345546 347600 349920 351945 354078 355500 356400 358560 360635 363042 364500 365200 369765 372006 373500 375408 378895 383940 384912 391050 393420 394416 396000 400950 403380 410850 413340 417120 422334 426600 427680 432762 434500 437400 438240 443718 445500 448200 454674 456500 460728 469260 472104 474000 479925 481140 484056 486000 491775 493020 496008 498000 504225 511920 516675 521400 524560 531117 533250 534600 537840 544231 546750 547800 551120 558009 560250 563112 568800 575910 577016 583200 586575 590130 591624 594000 597600 601425 605070 606232 614304 616275 620010 625680 629472 633501 639900 641520 645408 649143 651750 655700 657360 661344 665577 668250 672300 682011 684750 688900 691092 695200 703890 708156 711000 712800 721270 726084 729000 730400 739530 744012 747000 750816 757790 767880 769824 782100 786840 788832 799875 801900 806760 819625 821700 826680 840375 844668 853200 861125 863865 865524 869000 874800 885195 887436 891000 896400 907605 909348 913000 921456 930015 938520 944208 948000 959850 962280 968112 972000 977625 983550 986040 992016 996000 1002375 1008450 1023840 1027125 1033350 1042800 1049120 1055835 1062234 1066500 1069200 1075680 1081905 1088462 1093500 1095600 1102240 1109295 1116018 1120500 1126224 1136685 1151820 1154032 1173150 1180260 1183248 1188000 1202850 1210140 1212464 1232550 1240020 1251360 1267002 1279800 1283040 1298286 1303500 1311400 1314720 1331154 1336500 1344600 1364022 1369500 1377800 1382184 1407780 1416312 1422000 1439775 1442540 1452168 1458000 1475325 1479060 1488024 1494000 1512675 1515580 1535760 1550025 1564200 1573680 1593351 1599750 1603800 1613520 1632693 1639250 1643400 1653360 1674027 1680750 1689336 1706400 1722250 1727730 1731048 1738000 1749600 1759725 1770390 1774872 1782000 1792800 1803175 1815210 1818696 1826000 1842912 1848825 1860030 1877040 1888416 1894475 1900503 1919700 1924560 1936224 1947429 1955250 1967100 1972080 1984032 1996731 2004750 2016900 2046033 2054250 2066700 2085600 2111670 2124468 2133000 2138400 2163810 2176924 2187000 2191200 2218590 2232036 2241000 2252448 2273370 2303640 2308064 2346300 2360520 2366496 2399625 2405700 2420280 2424928 2458875 2465100 2480040 2521125 2534004 2559600 2583375 2596572 2607000 2622800 2655585 2662308 2673000 2689200 2721155 2728044 2739000 2755600 2764368 2790045 2815560 2832624 2844000 2879550 2885080 2904336 2916000 2932875 2950650 2958120 2976048 2988000 3007125 3025350 3031160 3071520 3081375 3100050 3128400 3147360 3167505 3186702 3199500 3207600 3227040 3245715 3265386 3278500 3286800 3306720 3327885 3348054 3361500 3378672 3410055 3444500 3455460 3462096 3476000 3519450 3540780 3549744 3564000 3606350 3630420 3637392 3652000 3697650 3720060 3754080 3788950 3801006 3839400 3849120 3894858 3910500 3934200 3944160 3993462 4009500 4033800 4092066 4108500 4133400 4223340 4248936 4266000 4319325 4327620 4353848 4374000 4425975 4437180 4464072 4482000 4538025 4546740 4607280 4650075 4692600 4721040 4780053 4799250 4811400 4840560 4898079 4917750 4930200 4960080 5022081 5042250 5068008 5119200 5166750 5193144 5214000 5245600 5279175 5311170 5324616 5346000 5378400 5409525 5442310 5456088 5478000 5511200 5528736 5546475 5580090 5631120 5665248 5683425 5759100 5770160 5808672 5842287 5865750 5901300 5916240 5952096 5986541 6014250 6050700 6062320 6138099 6162750 6200100 6256800 6335010 6373404 6399000 6415200 6491430 6530772 6557000 6573600 6655770 6696108 6723000 6757344 6820110 6889000 6910920 6924192 7038900 7081560 7099488 7198875 7212700 7260840 7274784 7376625 7395300 7440120 7563375 7577900 7602012 7678800 7750125 7789716 7821000 7868400 7966755 7986924 8019000 8067600 8163465 8184132 8217000 8266800 8370135 8446680 8497872 8532000 8638650 8655240 8707696 8748000 8798625 8851950 8874360 8928144 8964000 9015875 9076050 9093480 9214560 9244125 9300150 9385200 9442080 9472375 9502515 9560106 9598500 9622800 9681120 9737145 9796158 9835500 9860400 9920160 9983655 10044162 10084500 10136016 10230165 10333500 10386288 10428000 10558350 10622340 10649232 10692000 10819050 10884620 10912176 10956000 11092950 11160180 11262240 11366850 11518200 11540320 11684574 11731500 11802600 11832480 11973082 12028500 12101400 12124640 12276198 12325500 12400200 12670020 12746808 12798000 12982860 13061544 13114000 13277925 13311540 13392216 13446000 13605775 13640220 13778000 13821840 13950225 14077800 14163120 14340159 14397750 14425400 14521680 14694237 14753250 14790600 14880240 15066243 15126750 15155800 15204024 15357600 15500250 15579432 15642000 15736800 15837525 15933510 15973848 16038000 16135200 16228575 16326930 16368264 16434000 16533600 16639425 16740270 16893360 16995744 17050275 17277300 17310480 17415392 17526861 17597250 17703900 17748720 17856288 17959623 18031750 18152100 18186960 18414297 18488250 18600300 18770400 18944750 19005030 19120212 19197000 19245600 19474290 19592316 19671000 19720800 19967310 20088324 20169000 20272032 20460330 20667000 20772576 21116700 21244680 21298464 21596625 21638100 21769240 21824352 22129875 22185900 22320360 22690125 22733700 23036400 23250375 23369148 23463000 23605200 23900265 23946164 24057000 24202800 24490395 24552396 24651000 24800400 25110405 25340040 25493616 25596000 25965720 26123088 26228000 26395875 26555850 26623080 26784432 26892000 27047625 27211550 27280440 27556000 27643680 27732375 27900450 28155600 28326240 28417125 28680318 28795500 28850800 29043360 29211435 29388474 29506500 29581200 29760480 29932705 30132486 30253500 30311600 30408048 30690495 31000500 31158864 31284000 31675050 31867020 31947696 32076000 32457150 32653860 32736528 32868000 33278850 33480540 33786720 34100550 34554600 34620960 35053722 35194500 35407800 35497440 35919246 36063500 36304200 36373920 36828594 36976500 37200600 37889500 38010060 38240424 38394000 38948580 39184632 39342000 39833775 39934620 40176648 40338000 40817325 40920660 41334000 41850675 42233400 42489360 43193250 43276200 43538480 44082711 44259750 44371800 44640720 45380250 45467400 46072800 46500750 46738296 46926000 47210400 47512575 47800530 47892328 48114000 48405600 48685725 48980790 49104792 49302000 49600800 49918275 50220810 50680080 50987232 51150825 51931440 52246176 52580583 52791750 53111700 53246160 53568864 53878869 54095250 54423100 54560880 55242891 55464750 55800900 56311200 56834250 57360636 57591000 57701600 58422870 58776948 59013000 59162400 59865410 60264972 60507000 60623200 60816096 61380990 62001000 62317728 63350100 63734040 63895392 64914300 65307720 65473056 66389625 66557700 66961080 68028875 68201100 69109200 69751125 70107444 70389000 70815600 71700795 71838492 72127000 72608400 73471185 73657188 73953000 74401200 75331215 75779000 76020120 76480848 76788000 77897160 78369264 78684000 79187625 79667550 79869240 80353296 80676000 81142875 81634650 81841320 82668000 83197125 83701350 84466800 84978720 85251375 86386500 86552400 87076960 87634305 88165422 88519500 88743600 89281440 89798115 90760500 90934800 92071485 93001500 93476592 93852000 95025150 95601060 95784656 96228000 97371450 97961580 98209584 98604000 99836550 100441620 101360160 102301650 103862880 105161166 105583500 106223400 106492320 107757738 108190500 108846200 109121760 110485782 110929500 111601800 113668500 114721272 115182000 116845740 117553896 118026000 119501325 119730820 120529944 121014000 122451975 122761980 124002000 125552025 126700200 127468080 129828600 130615440 132248133 132779250 133115400 133922160 136057750 136402200 138218400 139502250 140214888 140778000 141631200 143401590 143676984 144254000 145216800 146057175 146942370 147314376 147906000 148802400 149663525 150662430 151558000 152040240 152961696 153452475 155794320 156738528 157741749 158375250 159335100 159738480 160706592 161636607 162285750 163269300 163682640 165728673 166394250 167402700 168933600 170502750 172773000 173104800 175268610 176330844 177039000 177487200 179596230 181521000 181869600 184142970 186003000 186953184 190050300 191202120 191569312 194742900 195923160 196419168 199168875 199673100 200883240 204086625 204603300 209253375 210322332 211167000 212446800 215515476 216381000 217692400 220413555 220971564 221859000 223203600 227337000 229442544 230364000 233691480 235107792 236052000 237562875 239002650 239461640 241059888 242028000 243428625 244903950 245523960 248004000 249591375 251104050 253400400 254936160 255754125 259657200 261230880 262902915 264496266 265558500 266230800 267844320 269394345 272115500 272804400 276214455 279004500 280429776 281556000 286803180 287353968 288508000 292114350 293884740 294628752 295812000 299327050 301324860 303116000 304080480 306904950 311588640 315483498 316750500 318670200 319476960 323273214 324571500 326538600 327365280 331457346 332788500 334805400 341005500 345546000 350537220 352661688 354078000 358503975 359192460 363042000 367355925 368285940 372006000 376656075 380100600 382404240 389485800 391846320 396744399 398337750 399346200 401766480 408173250 409206600 418506750 420644664 422334000 424893600 431030952 432762000 435384800 438171525 440827110 441943128 443718000 446407200 448990575 454674000 458885088 460357425 467382960 470215584 475125750 478005300 478923280 482119776 484909821 486857250 489807900 491047920 499182750 502208100 506800800 511508250 519314400 525805830 528992532 531117000 532461600 538788690 544231000 545608800 552428910 558009000 560859552 573606360 574707936 584228700 587769480 589257504 597506625 598654100 602649720 612259875 613809900 627760125 630966996 633501000 637340400 646546428 649143000 653077200 661240665 662914692 665577000 669610800 682011000 691092000 701074440 705323376 708156000 717007950 718384920 726084000 730285875 734711850 736571880 744012000 748317625 753312150 760201200 764808480 767262375 778971600 783692640 788708745 793488798 796675500 798692400 803532960 808183035 816346500 818413200 828643365 837013500 841289328 844668000 862061904 865524000 876343050 881654220 883886256 887436000 897981150 909348000 920714850 934765920 950251500 956010600 957846560 969819642 973714500 979615800 982095840 998365500 1004416200 1023016500 1051611660 1057985064 1062234000 1077577380 1088462000 1102067775 1104857820 1116018000 1147212720 1168457400 1175538960 1190233197 1195013250 1197308200 1205299440 1224519750 1227619800 1255520250 1261933992 1267002000 1274680800 1293092856 1298286000 1306154400 1314514575 1322481330 1325829384 1331154000 1339221600 1346971725 1364022000 1381072275 1402148880 1410646752 1434015900 1436769840 1454729463 1460571750 1469423700 1473143760 1496635250 1506624300 1520402400 1534524750 1557943200 1577417490 1586977596 1593351000 1597384800 1616366070 1632693000 1636826400 1657286730 1674027000 1682578656 1724123808 1752686100 1763308440 1767772512 1792519875 1795962300 1836779625 1841429700 1883280375 1900503000 1912021200 1939639284 1947429000 1959231600 1983721995 1996731000 2008832400 2046033000 2103223320 2115970128 2124468000 2155154760 2176924000 2190857625 2204135550 2209715640 2232036000 2244952875 2294425440 2301787125 2336914800 2351077920 2380466394 2390026500 2394616400 2410598880 2424549105 2449039500 2455239600 2511040500 2523867984 2534004000 2586185712 2596572000 2629029150 2644962660 2651658768 2662308000 2693943450 2728044000 2762144550 2804297760 2868031800 2873539680 2909458926 2921143500 2938847400 2946287520 2993270500 3013248600 3069049500 3154834980 3173955192 3186702000 3232732140 3265386000 3306203325 3314573460 3348054000 3505372200 3526616880 3585039750 3591924600 3673559250 3682859400 3766560750 3801006000 3824042400 3879278568 3894858000 3918463200 3943543725 3967443990 3993462000 4017664800 4040915175 4092066000 4143216825 4206446640 4231940256 4310309520 4364188389 4381715250 4408271100 4419431280 4489905750 4603574250 4673829600 4760932788 4780053000 4789232800 4849098210 4898079000 4910479200 5022081000 5047735968 5172371424 5258058300 5289925320 5303317536 5387886900 5510338875 5524289100 5736063600 5818917852 5842287000 5877694800 5951165985 5986541000 6026497200 6138099000 6309669960 6347910384 6373404000 6465464280 6530772000 6572572875 6612406650 6629146920 6696108000 6734858625 6905361375 7010744400 7053233760 7170079500 7183849200 7273647315 7347118500 7365718800 7533121500 7602012000 7758557136 7789716000 7887087450 7934887980 7986924000 8081830350 8184132000 8286433650 8412893280 8620619040 8728376778 8763430500 8816542200 8838862560 8979811500 9207148500 9521865576 9560106000 9698196420 9796158000 9918609975 10044162000 10516116600 10579850640 10775773800 11020677750 11048578200 11472127200 11637835704 11684574000 11755389600 11902331970 11973082000 12052994400 12122745525 12276198000 12619339920 12695820768 12930928560 13092565167 13145145750 13224813300 13258293840 13469717250 13810722750 14021488800 14340159000 14367698400 14547294630 14694237000 14731437600 15066243000 15517114272 15774174900 15869775960 16163660700 16531016625 16572867300 17456753556 17526861000 17633084400 17959623000 18414297000 19043731152 19120212000 19396392840 19592316000 19717718625 19837219950 20088324000 20204575875 20716084125 21032233200 21159701280 21551547600 21820941945 22041355500 22097156400 23275671408 23369148000 23804663940 23946164000 24245491050 24552396000 25238679840 25861857120 26185130334 26290291500 26449626600 26516587680 26939434500 27621445500 28680318000 29094589260 29388474000 29755829925 30132486000 31548349800 31739551920 32327321400 33062033250 33145734600 34913507112 35053722000 35266168800 35919246000 36368236575 36828594000 38087462304 38792785680 39435437250 39674439900 40409151750 41432168250 42064466400 43103095200 43641883890 44082711000 44194312800 46551342816 47609327880 48490982100 49593049875 52370260668 52580583000 52899253200 53878869000 55242891000 57360636000 58189178520 58776948000 59511659850 60264972000 60613727625 63096699600 63479103840 64654642800 65462825835 66124066500 66291469200 69827014224 70107444000 71838492000 72736473150 73657188000 77585571360 78870874500 79348879800 80818303500 82864336500 87283767780 88165422000 95218655760 96981964200 99186099750 104740521336 105161166000 105798506400 107757738000 109104709725 110485782000 116378357040 119023319700 121227455250 126193399200 129309285600 130925651670 132248133000 132582938400 139654028448 145472946300 148779149625 157741749000 158697759600 161636607000 165728673000 174567535560 176330844000 181841182875 190437311520 193963928400 198372199500 209481042672 210322332000 215515476000 218209419450 220971564000 232756714080 238046639400 242454910500 261851303340 264496266000 290945892600 297558299250 315483498000 317395519200 323273214000 327314129175 331457346000 349135071120 363682365750 387927856800 396744399000 418962085344 436418838900 476093278800 484909821000 523702606680 528992532000 545523548625 581891785200 595116598500 630966996000 646546428000 654628258350 662914692000 698270142240 727364731500 793488798000 872837677800 952186557600 969819642000 1047405213360 1091047097250 1163783570400 1190233197000 1309256516700 1454729463000 1586977596000 1636570645875 1745675355600 1939639284000 2094810426720 2182094194500 2380466394000 2618513033400 2909458926000 3273141291750 3491350711200 4364188389000 4760932788000 5237026066800 5818917852000 6546282583500 8728376778000 10474052133600 13092565167000 17456753556000 26185130334000 52370260668000
- Sum of all divisors σ(n): 215789291827200
- Sum of proper divisors (its aliquot sum) s(n): 163419031159200
- 52370260668000 is an abundant number, because the sum of its proper divisors (163419031159200) is greater than itself. Its abundance is 111048770491200
Bases of 52370260668000
- Binary: 10111110100001011001101100100010101110011000002
- Hexadecimal: 0x2FA166C8AE60
- Base-36: IKAKD1I00
Squares and roots of 52370260668000
- 52370260668000 squared (523702606680002) is 2742644202434267806224000000
- 52370260668000 cubed (523702606680003) is 143632991801061565147671392797632000000000
-
The
square root of 52370260668000 is 7236729.9706428179 -
The
cube root of 52370260668000 is 37413.4920075161
Scales and comparisons
How big is 52370260668000?- 52,370,260,668,000 seconds is equal to 1,665,212 years, 15 weeks, 3 days, 6 hours.
-
To count from 1 to 52,370,260,668,000 would take you about four million, one hundred sixty-three thousand and thirty 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 52370260668000 cubic inches would be around 3117.8 feet tall.
Recreational maths with 52370260668000
- 52370260668000 backwards is 00086606207325
- 52370260668000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 52370260668000's digits is 45
- 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 52370260668000 - Facts about the integer". Numbermatics.com. 2024. Web. 2 June 2024.
APA style:
Numbermatics. (2024). Number 52370260668000 - Facts about the integer. Retrieved 2 June 2024, from https://numbermatics.com/n/52370260668000/
Chicago style:
Numbermatics. 2024. "Number 52370260668000 - Facts about the integer". https://numbermatics.com/n/52370260668000/
The information we have on file for 52370260668000 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 52370260668000, math, Factors of 52370260668000, curriculum, school, college, exams, university, Prime factorization of 52370260668000, STEM, science, technology, engineering, physics, economics, calculator, fifty-two trillion, three hundred seventy billion, two hundred sixty million, six hundred sixty-eight thousand.