42978981795750
42,978,981,795,750 is an even composite number composed of nine prime numbers multiplied together.
42978981795750 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of two thousand, three hundred four divisors.
Prime factorization of 42978981795750:
2 × 32 × 53 × 7 × 11 × 132 × 17 × 79 × 1093
(2 × 3 × 3 × 5 × 5 × 5 × 7 × 11 × 13 × 13 × 17 × 79 × 1093)See below for interesting mathematical facts about the number 42978981795750 from the Numbermatics database.
Names of 42978981795750
- Cardinal: 42978981795750 can be written as Forty-two trillion, nine hundred seventy-eight billion, nine hundred eighty-one million, seven hundred ninety-five thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 4.297898179575 × 1013
Factors of 42978981795750
Divisors of 42978981795750
- Number of divisors d(n): 2304
-
Complete list of divisors:
1 2 3 5 6 7 9 10 11 13 14 15 17 18 21 22 25 26 30 33 34 35 39 42 45 50 51 55 63 65 66 70 75 77 78 79 85 90 91 99 102 105 110 117 119 125 126 130 143 150 153 154 158 165 169 170 175 182 187 195 198 210 221 225 231 234 237 238 250 255 273 275 286 306 315 325 330 338 350 357 374 375 385 390 395 425 429 442 450 455 462 474 495 507 510 525 546 550 553 561 585 595 630 650 663 693 711 714 715 750 765 770 790 819 825 845 850 858 869 875 910 935 975 990 1001 1014 1027 1050 1071 1093 1105 1106 1122 1125 1155 1170 1183 1185 1190 1275 1287 1309 1326 1343 1365 1375 1386 1422 1430 1521 1530 1547 1575 1625 1638 1650 1659 1683 1690 1738 1750 1785 1859 1870 1925 1950 1975 1989 2002 2054 2125 2142 2145 2186 2210 2250 2275 2310 2366 2370 2431 2475 2535 2550 2574 2607 2618 2625 2686 2730 2750 2765 2805 2873 2925 2975 3003 3042 3081 3094 3150 3250 3279 3315 3318 3366 3465 3549 3555 3570 3575 3718 3825 3850 3927 3950 3978 4029 4095 4125 4225 4250 4290 4345 4550 4641 4675 4862 4875 4950 4977 5005 5070 5135 5214 5250 5355 5465 5525 5530 5577 5610 5746 5775 5850 5915 5925 5950 6006 6083 6162 6375 6435 6545 6558 6630 6715 6825 6930 7098 7110 7150 7189 7293 7605 7650 7651 7735 7821 7854 7875 8058 8190 8250 8295 8415 8450 8619 8690 8925 9009 9243 9282 9295 9350 9401 9625 9750 9837 9875 9945 9954 10010 10270 10647 10710 10725 10930 11050 11154 11297 11375 11550 11781 11830 11850 12023 12087 12155 12166 12375 12675 12750 12870 13013 13035 13090 13351 13430 13650 13825 13923 14025 14209 14365 14378 14586 14625 14773 14875 15015 15210 15302 15405 15470 15642 15750 16395 16575 16590 16731 16830 17017 17238 17325 17459 17745 17775 17850 17875 18018 18249 18486 18581 18590 18802 19125 19250 19635 19674 19750 19890 20111 20145 20475 21125 21294 21450 21567 21725 21879 22594 22750 22953 23205 23375 23562 24046 24174 24310 24750 24885 25025 25350 25675 25857 26026 26070 26702 26775 27325 27625 27650 27846 27885 28050 28203 28418 28730 28875 29250 29546 29575 29625 29750 30030 30415 30810 31603 32175 32725 32790 33150 33462 33575 33891 34034 34125 34650 34918 35490 35550 35750 35945 36069 36465 36498 37162 38025 38250 38255 38675 39039 39105 39270 40053 40222 40290 40950 41475 42075 42250 42627 43095 43134 43450 43758 44319 44625 45045 45906 46215 46410 46475 46750 47005 49185 49725 49770 50050 51051 51350 51714 52377 53235 53550 53625 54650 54747 55250 55743 55770 56406 56485 57750 58905 59150 59250 60115 60333 60435 60775 60830 63206 63375 64350 64701 65065 65175 65450 66755 67150 67782 68250 68859 69125 69615 70125 71045 71825 71890 72138 72930 73865 75075 76050 76510 77025 77350 78078 78210 79079 80106 81975 82875 82950 83655 84150 84161 84609 85085 85254 86190 86347 86625 87295 88638 88725 88875 89250 90090 91245 92430 92905 92950 93457 94010 94809 98175 98370 99450 99463 100555 100725 101673 102102 102375 103411 104754 106470 107250 107835 108207 108625 109395 109494 111486 112970 114765 116025 117117 117810 120159 120230 120666 120870 121550 122213 124425 125125 126750 127881 128375 129285 129402 130067 130130 130350 132957 133510 133875 136625 137718 138250 139230 139425 140250 141015 142090 143650 146861 147730 147875 150150 152075 153153 154050 156299 157131 158015 158158 160875 163625 163950 165750 167229 167310 167875 168322 169218 169455 170170 172694 173250 174590 177450 177750 179725 180345 180999 182325 182490 184717 185810 186914 189618 190125 191275 192049 193375 195195 195525 196350 198926 200265 201110 201450 203346 204391 204750 206822 207375 210375 213135 215475 215670 216414 217250 218790 221221 221595 225225 226967 229530 231075 232050 232375 234234 235025 237237 240318 241553 244426 245925 248625 248850 250250 252483 255255 255762 256750 258570 259041 260134 261885 265914 266175 267750 273250 273735 278715 278850 280371 282030 282425 284427 293722 294525 295750 298389 300575 301665 302175 303875 304150 306306 310233 312598 314262 316030 321750 323505 325325 325875 327250 333775 334458 335750 338910 344295 348075 355225 359125 359450 360690 361998 364650 366639 369325 369434 375375 380250 382550 384098 385125 386750 390201 390390 391050 395395 400530 408782 409875 414750 418275 420750 420805 423045 425425 426270 430950 431735 436475 440583 442442 443190 443625 450450 453934 456225 462150 464525 464750 467285 468897 470050 474045 474474 483106 490875 491850 497250 497315 502775 503625 504966 508365 510510 517055 518082 523770 532350 539175 541035 546975 547470 554151 557430 560742 564850 568854 573825 576147 580125 585585 589050 596778 600795 601150 603330 604350 604429 607750 611065 613173 620466 622125 639405 646425 647010 650335 650650 651750 663663 664785 667550 680901 688590 696150 697125 705075 710450 711711 718250 724659 733278 734305 738650 750750 757449 760375 765765 770250 777123 780402 781495 785655 790075 790790 819750 836145 836550 841113 841610 846090 847275 850850 863470 872950 881166 887250 895167 898625 901725 904995 911625 912450 923585 929050 930699 934570 937794 948090 949817 956375 960245 975975 977625 981750 994630 1001325 1005550 1007250 1016730 1021955 1028027 1034110 1065675 1077375 1078350 1082070 1093950 1094093 1099917 1106105 1107975 1108302 1122511 1126125 1134835 1147650 1152294 1155375 1160250 1170603 1171170 1175125 1186185 1201590 1207765 1208858 1222130 1226346 1229625 1244250 1262415 1276275 1278810 1292850 1293019 1295205 1300670 1309425 1321749 1327326 1329570 1330875 1344343 1361802 1368675 1393575 1394250 1401855 1406691 1410150 1412125 1422135 1423422 1430737 1449318 1467899 1468610 1472625 1491945 1502875 1508325 1510875 1514898 1520750 1531530 1551165 1554246 1562990 1571310 1580150 1588769 1617525 1626625 1662453 1668875 1672290 1682226 1690871 1694550 1721475 1728441 1740375 1776125 1790334 1797250 1803450 1809990 1813287 1823250 1833195 1839519 1846625 1847170 1861398 1899634 1912750 1920490 1951005 1951950 1955250 1976975 1990989 2002650 2031887 2042703 2043910 2056054 2091375 2104025 2115225 2127125 2131350 2154750 2158675 2173977 2182375 2188186 2199834 2202915 2212210 2215950 2245022 2252250 2269670 2281125 2310750 2322625 2336425 2341206 2344485 2350250 2370225 2372370 2415530 2459250 2486575 2496637 2513875 2524830 2541825 2552550 2585275 2586038 2590410 2618850 2643498 2657083 2661750 2688686 2695875 2705175 2734875 2737350 2770755 2787150 2803710 2813382 2824250 2844270 2849451 2861474 2869125 2880735 2927925 2935798 2945250 2983890 3003975 3005750 3016650 3021750 3022145 3055325 3065865 3084081 3102330 3140189 3177538 3197025 3232125 3235050 3251675 3253250 3282279 3318315 3323925 3324906 3337750 3367533 3381742 3404505 3442950 3456882 3480750 3525375 3552250 3558555 3623295 3626574 3666390 3671525 3679038 3693250 3787245 3828825 3879057 3885615 3902010 3907475 3928275 3950375 3953950 3981978 4033029 4063774 4085406 4180725 4182750 4205565 4208050 4230450 4236375 4254250 4292211 4317350 4347954 4364750 4403697 4405830 4475835 4508625 4524975 4562250 4617925 4645250 4653495 4672850 4688970 4740450 4749085 4766307 4801225 4879875 4973150 4993274 5006625 5027750 5072613 5083650 5109775 5140135 5170550 5314166 5328375 5391750 5410350 5439861 5469750 5470465 5499585 5530525 5539875 5541510 5612555 5674175 5698902 5738250 5761470 5853015 5855850 5930925 6007950 6038825 6044290 6095661 6110650 6131730 6168162 6280378 6312075 6381375 6394050 6464250 6465095 6476025 6503350 6547125 6564558 6608745 6636630 6647850 6648719 6721715 6735066 6809010 6843375 6967875 7009275 7033455 7050750 7110675 7117110 7153685 7246590 7339495 7343050 7459725 7489911 7541625 7574490 7657650 7755825 7758114 7771230 7814950 7856550 7857577 7900750 7943845 7971249 8066058 8087625 8312265 8361450 8411130 8454355 8472750 8548353 8584422 8607375 8642205 8807394 8951670 9017250 9049950 9066435 9165975 9197595 9235850 9252243 9306990 9420567 9498170 9532614 9602450 9755025 9759750 9846837 9884875 9954945 10013250 10102599 10145226 10159435 10213515 10219550 10275293 10280270 10520125 10576125 10656750 10793375 10869885 10879722 10940930 10999170 11014575 11061050 11079750 11225110 11348350 11637171 11682125 11706030 11722425 11851125 11861850 12077650 12099087 12191322 12347621 12432875 12483185 12624150 12709125 12762750 12876633 12926375 12930190 12952050 13094250 13211091 13217490 13285415 13297438 13443430 13525875 13686750 13853775 13935750 14018550 14066910 14221350 14223209 14247255 14298921 14307370 14403675 14592643 14639625 14678990 14919450 14979822 15019875 15083250 15110725 15217839 15276625 15329325 15420405 15511650 15700945 15715154 15887690 15942498 15985125 16146889 16175250 16258375 16411395 16591575 16619625 16624530 16837665 16908710 17022525 17096706 17214750 17284410 17476459 17792775 18116475 18132870 18286983 18331950 18357625 18395190 18504486 18599581 18841134 18936225 19082687 19144125 19395285 19428075 19510050 19537375 19641375 19693674 19769750 19909890 19946157 20165145 20205198 20318870 20427030 20550586 20903625 21027825 21040250 21152250 21461055 21586750 21739770 21981323 22018485 22029150 22379175 22469733 22624875 23089625 23267475 23274342 23364250 23444850 23572731 23702250 23745425 23831535 23913747 24006125 24198174 24695242 24865750 24966370 25363065 25418250 25548875 25700675 25753266 25852750 26422182 26570830 27051750 27199305 27352325 27497925 27652625 27707550 28062775 28261701 28370875 28446418 28494510 28597842 28807350 29185286 29265075 29279250 29654625 30039750 30194125 30221450 30435678 30478305 30553250 30658650 30825879 30840810 31401890 31560375 31970250 32293778 32325475 32380125 32516750 32822790 33043725 33183150 33239250 33243595 33608575 33675330 34045050 34542079 34952918 35046375 35167275 35553375 35585550 35768425 36232950 36573966 36697475 36715250 37042863 37199162 37298625 37449555 37872450 38165374 38288250 38779125 38790570 38856150 39074750 39282750 39287885 39719225 39856245 39892314 40330290 41561325 41807250 42055650 42271775 42669627 42741765 42922110 43211025 43777929 43962646 44036970 44758350 44939466 45249750 45332175 45829875 45987975 46179250 46261215 46534950 47102835 47145462 47490850 47663070 47827494 48012250 48440667 48775125 49234185 49774725 50512995 50726130 50797175 51067575 51097750 51376465 51401350 52429377 54349425 54398610 54704650 54995850 55072875 55305250 55798743 56125550 56523402 56741750 57248061 58185855 58530150 58612125 59309250 59838471 60388250 60495435 60956610 61651758 61738105 62415925 63120750 64383165 64650950 64760250 65943969 66055455 66087450 66427075 66487190 67217150 69084158 69268875 70092750 70334550 70718193 71106750 71116045 71236275 71494605 71536850 72018375 72963215 73394950 74085726 74597250 74899110 75553625 76089195 76646625 77102025 77558250 78504725 78575770 79438450 79712490 80734445 82056975 82957875 83122650 84188325 84543550 85112625 85339254 85483530 86422050 86433347 87382295 87555858 88963875 90582375 90664350 91434915 91659750 91975950 92477637 92522430 92997905 94205670 94681125 95413435 96881334 96976425 97140375 97550250 98468370 99549450 99730785 100825725 101025990 101594350 102135150 102148501 102752930 103626237 104858754 105139125 107305275 108698850 109906615 110092425 110145750 111128589 111597486 111895875 112348665 113028223 114496122 116337375 116371710 117224250 117863655 118727125 119157675 119568735 119676942 120990870 123476210 124831850 126815325 128008881 128503375 128766330 131333787 131887938 132110910 132854150 133578809 135996525 136761625 137489625 138537750 140313875 141308505 141436386 142232090 142472550 142989210 144036750 145322001 145926430 146325375 151107250 152178390 152391525 153293250 154129395 154204050 157009450 157288131 160519073 161468890 161627375 164113950 165218625 165915750 166217975 167396229 168042875 168376650 170225250 171744183 172710395 172866694 174764590 175836375 177927750 178842125 181164750 182869830 183487375 184955274 185214315 185995810 187247775 189362250 190826870 193952850 194280750 196439425 197831907 198596125 199281225 199461570 201651450 204297002 207252474 207806625 209909557 210278250 211358875 213348135 213708825 214610550 216055125 218889645 219813230 220184850 222257178 223791750 224697330 226056446 226660875 229939875 231306075 232674750 235514175 235727310 237454250 238315350 239137470 241794553 242203335 246170925 248074931 248873625 252564975 253630650 253985875 255337875 256017762 256882325 257006750 259300041 262146885 262667574 267157618 271747125 271993050 273523250 274979250 278993715 280627750 282617010 286240305 290644002 290929275 292650750 299192355 302477175 304783050 306445503 308258790 308690525 310878711 312079625 314576262 321038146 321915825 323254750 329719845 330277275 330437250 332135375 332435950 334792458 336085750 339084669 343488366 345420790 351672750 353590965 355580225 356181375 357473025 357684250 364816075 366974750 370428630 374495550 380445975 385510125 392523625 392878850 395663814 397192250 398562450 400736427 403672225 410284875 415613250 419819114 420941625 422717750 426696270 427417650 432110250 432166735 436911475 437779290 453321750 457174575 459879750 462388185 462612150 464989525 471028350 477067175 481557219 483589106 484406670 484882125 492341850 496149862 497747250 498653925 504128625 505129950 507971750 510675750 510742505 513764650 518131185 518600082 524293770 536526375 543494250 549533075 550462125 555642945 557987430 561743325 565141115 572480610 581858550 589318275 595788375 597843675 598384710 604954350 612891006 617381050 621757422 624159250 629728671 634076625 640044405 643831650 656668935 659439690 660554550 664270750 667894045 678169338 679982625 706542525 707181930 711160450 712362750 714946050 725383659 726610005 729632150 744224793 760891950 761957625 770646975 771020250 777900123 785047250 786440655 801472854 802595365 807344450 820569750 831089875 836981145 841883250 858720915 863551975 864333470 873822950 914349150 919336509 924776370 926071575 929979050 936238875 954134350 963114438 969764250 982197125 989159535 996406125 997307850 1008257250 1017254007 1021485010 1036262370 1049547785 1066740675 1068544125 1073052750 1094448225 1099066150 1100924250 1111285890 1123486650 1123633511 1130282230 1156530375 1177570875 1178636550 1191576750 1195687350 1202209281 1208972765 1211016675 1230854625 1240374655 1259457342 1262824875 1268153250 1280088810 1284411625 1296500205 1310734425 1313337870 1335788090 1359965250 1394968575 1413085050 1431201525 1444671657 1450767318 1453220010 1454646375 1469366899 1488449586 1495961775 1512385875 1523915250 1532227515 1541293950 1543452625 1554393555 1555800246 1572881310 1605190730 1609579125 1648599225 1651386375 1662179750 1673962290 1695423345 1717441830 1727103950 1736524517 1767954825 1777901125 1787365125 1824080375 1838673018 1852143150 1872477750 1889186013 1902229875 1964394250 1978319070 1992812250 2003682135 2018361125 2034508014 2099095570 2133481350 2137088250 2160833675 2176150977 2184557375 2188896450 2232674379 2247267022 2285872875 2311940925 2313060750 2324947625 2355141750 2385335875 2404418562 2407786095 2417945530 2422033350 2461709250 2480749310 2493269625 2525649750 2553712525 2568823250 2590655925 2593000410 2621468850 2728824241 2747665375 2778214725 2789937150 2808716625 2825705575 2862403050 2889343314 2909292750 2938733798 2946591375 2989218375 2991923550 3024771750 3064455030 3086905250 3108787110 3148643355 3200222025 3219158250 3283344675 3297198450 3302772750 3339470225 3370900533 3390846690 3473049034 3532712625 3535909650 3555802250 3574730250 3626918295 3633050025 3648160750 3721123965 3778372026 3804459750 3853234875 3889500615 3932203275 4007364270 4012976825 4036722250 4184905725 4293604575 4317759875 4321667350 4352301954 4369114750 4408100697 4465348758 4571745750 4596682545 4623881850 4630357875 4649895250 4770671750 4815572190 4945797675 4986539250 5086270035 5107425050 5181311850 5209573551 5247738925 5333703375 5457648482 5472241125 5495330750 5556429450 5617433250 5618167555 5651411150 5893182750 5978436750 6011046405 6044863825 6055083375 6201873275 6297286710 6400444050 6482501025 6553672125 6566689350 6678940450 6741801066 6974842875 7065425250 7156007625 7223358285 7253836590 7266100050 7346834495 7442247930 7479808875 7661137575 7706469750 7771967775 7779001230 7864406550 8025953650 8186472723 8242996125 8369811450 8477116725 8587209150 8635519750 8682622585 8816201394 8839774125 9193365090 9260715750 9445930065 9891595350 10018410675 10112701599 10172540070 10419147102 10495477850 10667406750 10804168375 10880754885 10944482250 11163371895 11236335110 11559704625 12022092810 12038930475 12089727650 12110166750 12403746550 12768562625 12953279625 12965002050 13107344250 13224302091 13644121205 13891073625 13949685750 14128527875 14312015250 14446716570 14693668990 14959617750 15322275150 15543935550 15628720653 15743216775 16001110125 16372945446 16416723375 16485992250 16697351125 16854502665 16954233450 17365245170 17679548250 18134591475 18165250125 18605619825 18891860130 19101769687 19447503075 19661016375 20036821350 20064884125 20225403198 20924528625 21468022875 21608336750 21761509770 22040503485 22326743790 22983412725 23119409250 24077860950 24559418169 24728988375 25431350175 25537125250 25906559250 26047867755 26238694625 26448604182 27288242410 27782147250 28090837775 28257055750 30055232025 30224319125 31009366375 31257441306 31486433550 32002220250 32412505125 32833446750 33394702250 33709005330 36116791425 36269182950 36330500250 36734172475 37211239650 38203539374 38305687875 38859838875 38895006150 39322032750 40129768250 40932363615 41849057250 42385583625 42936045750 43413112925 44081006970 45966825450 47229650325 49118836338 49457976750 50092053375 50563507995 50862700350 52095735510 52477389250 54403774425 55816859475 56181675550 57305309061 60110464050 60194652375 60448638250 62018732750 64825010250 66121510455 68220606025 72233582850 73468344950 76611375750 77719677750 78143603265 78716083875 81864727230 84272513325 84771167250 86826225850 90672957375 93028099125 94459300650 95508848435 97237515375 100184106750 101127015990 108807548850 110202517425 111633718950 114610618122 114917063625 120389304750 122797090845 127156750875 130239338775 132243020910 136441212050 140454188875 150276160125 156287206530 157432167750 168545026650 171915927183 180583957125 181345914750 183670862375 186056198250 191017696870 194475030750 204661818075 217065564625 220405034850 229834127250 236148251625 245594181690 252817539975 254313501750 260478677550 272018872125 279084297375 280908377750 286526545305 300552320250 330607552275 341103030125 343831854366 361167914250 367341724750 390718016325 409323636150 421362566625 434131129250 472296503250 477544242175 505635079950 544037744250 551012587125 558168594750 573053090610 613985454225 651196693875 661215104550 682206060250 781436032650 842725133250 859579635915 955088484350 1023309090375 1102025174250 1227970908450 1264087699875 1302393387750 1432632726525 1653037761375 1719159271830 1953590081625 2046618180750 2387721210875 2528175399750 2865265453050 3069927271125 3306075522750 3907180163250 4297898179575 4775442421750 6139854542250 7163163632625 8595796359150 14326327265250 21489490897875 42978981795750
- Sum of all divisors σ(n): 168380324536320
- Sum of proper divisors (its aliquot sum) s(n): 125401342740570
- 42978981795750 is an abundant number, because the sum of its proper divisors (125401342740570) is greater than itself. Its abundance is 82422360944820
Bases of 42978981795750
- Binary: 10011100010110110100101111000101010111101001102
- Hexadecimal: 0x2716D2F157A6
- Base-36: F8G9S2RHI
Squares and roots of 42978981795750
- 42978981795750 squared (429789817957502) is 1847192876199409894718062500
- 42978981795750 cubed (429789817957503) is 79390468999413521311980032266210734375000
-
The
square root of 42978981795750 is 6555835.7053658689 -
The
cube root of 42978981795750 is 35028.2715234977
Scales and comparisons
How big is 42978981795750?- 42,978,981,795,750 seconds is equal to 1,366,598 years, 35 weeks, 1 day, 22 hours, 22 minutes, 30 seconds.
-
To count from 1 to 42,978,981,795,750 would take you about three million, four hundred sixteen thousand, four hundred ninety-six 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 42978981795750 cubic inches would be around 2919 feet tall.
Recreational maths with 42978981795750
- 42978981795750 backwards is 05759718987924
- The number of decimal digits it has is: 14
- The sum of 42978981795750's digits is 81
- 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 42978981795750 - Facts about the integer". Numbermatics.com. 2024. Web. 24 May 2024.
APA style:
Numbermatics. (2024). Number 42978981795750 - Facts about the integer. Retrieved 24 May 2024, from https://numbermatics.com/n/42978981795750/
Chicago style:
Numbermatics. 2024. "Number 42978981795750 - Facts about the integer". https://numbermatics.com/n/42978981795750/
The information we have on file for 42978981795750 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 42978981795750, math, Factors of 42978981795750, curriculum, school, college, exams, university, Prime factorization of 42978981795750, STEM, science, technology, engineering, physics, economics, calculator, forty-two trillion, nine hundred seventy-eight billion, nine hundred eighty-one million, seven hundred ninety-five thousand, seven hundred fifty.