128070124439648798880
128,070,124,439,648,798,880 is an even composite number composed of eight prime numbers multiplied together.
What does the number 128070124439648798880 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 1728 divisors.
128070124439648798880 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.
Prime factorization of 128070124439648798880:
25 × 32 × 5 × 112 × 31 × 61 × 181 × 2147483647
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 31 × 61 × 181 × 2147483647)See below for interesting mathematical facts about the number 128070124439648798880 from the Numbermatics database.
Names of 128070124439648798880
- Cardinal: 128070124439648798880 can be written as One hundred twenty-eight quintillion, seventy quadrillion, one hundred twenty-four trillion, four hundred thirty-nine billion, six hundred forty-eight million, seven hundred ninety-eight thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.2807012443964879888 × 1020
Factors of 128070124439648798880
- Number of distinct prime factors ω(n): 8
- Total number of prime factors Ω(n): 14
- Sum of prime factors: 2147483941
Divisors of 128070124439648798880
- Number of divisors d(n): 1728
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 31 32 33 36 40 44 45 48 55 60 61 62 66 72 80 88 90 93 96 99 110 120 121 122 124 132 144 155 160 165 176 180 181 183 186 198 220 240 242 244 248 264 279 288 305 310 330 341 352 360 362 363 366 372 396 440 465 480 484 488 495 496 528 543 549 558 605 610 620 660 671 682 720 724 726 732 744 792 880 905 915 930 968 976 990 992 1023 1056 1086 1089 1098 1116 1210 1220 1240 1320 1342 1364 1395 1440 1448 1452 1464 1488 1584 1629 1705 1760 1810 1815 1830 1860 1891 1936 1952 1980 1991 2013 2046 2172 2178 2196 2232 2420 2440 2480 2640 2684 2715 2728 2745 2790 2896 2904 2928 2976 3069 3168 3258 3355 3410 3620 3630 3660 3720 3751 3782 3872 3960 3982 4026 4092 4344 4356 4392 4464 4840 4880 4960 5115 5280 5368 5430 5445 5456 5490 5580 5611 5673 5792 5808 5856 5973 6039 6138 6516 6710 6820 7240 7260 7320 7381 7440 7502 7564 7920 7964 8052 8145 8184 8688 8712 8784 8928 9455 9680 9760 9955 10065 10230 10736 10860 10890 10912 10980 11041 11160 11222 11253 11346 11616 11946 12078 12276 13032 13420 13640 14480 14520 14640 14762 14880 15004 15128 15345 15840 15928 16104 16290 16368 16833 17019 17376 17424 17568 17919 18755 18910 19360 19910 20130 20460 20801 21472 21720 21780 21901 21960 22082 22143 22320 22444 22506 22692 23892 24156 24552 26064 26840 27280 28055 28365 28960 29040 29280 29524 29865 30008 30195 30256 30690 31856 32208 32580 32736 33123 33666 33759 34038 34848 35838 36905 37510 37820 39820 40260 40920 41602 43440 43560 43802 43920 44164 44286 44640 44888 45012 45384 47784 48312 49104 50499 52128 53680 54560 55205 56110 56265 56730 58080 59048 59730 60016 60390 60512 61380 61721 62403 63712 64416 65160 65703 66246 66429 67332 67518 68076 71676 73810 75020 75640 79640 80520 81840 83204 84165 85095 86880 87120 87604 87840 88328 88572 89595 89776 90024 90768 95568 96624 98208 99369 100998 104005 107360 109505 110410 110715 112220 112530 113460 118096 119460 120032 120780 121451 122760 123442 124806 130320 131406 132492 132858 134664 135036 136152 143352 147620 150040 151280 159280 161040 163680 165615 166408 168330 168795 170190 174240 175208 176656 177144 179190 179552 180048 181536 185163 187209 191136 193248 197109 198738 201996 208010 219010 220820 221430 224440 225060 226920 228811 236192 238920 241560 242902 245520 246884 249612 252495 260640 262812 264984 265716 269328 270072 272304 286704 295240 300080 302560 308605 312015 318560 322080 328515 331230 332145 332816 336660 337590 340380 342271 350416 353312 354288 358380 360096 364353 370326 374418 394218 397476 403992 416020 438020 441640 442860 448880 450120 453840 457622 477840 483120 485804 491040 493768 496845 499224 504990 525624 529968 531432 538656 540144 544608 555489 573408 590480 600160 607255 617210 624030 657030 662460 664290 665632 673320 675180 678931 680760 684542 686433 700832 708576 716760 728706 740652 748836 788436 794952 807984 832040 876040 883280 885720 897760 900240 907680 915244 925815 936045 955680 966240 971608 985545 987536 993690 998448 1009980 1026813 1051248 1059936 1062864 1080288 1093059 1110978 1144055 1180960 1214510 1234420 1248060 1314060 1324920 1328580 1335961 1346640 1350360 1357862 1361520 1369084 1372866 1433520 1457412 1481304 1497672 1576872 1589904 1615968 1664080 1711355 1752080 1766560 1771440 1800480 1821765 1830488 1851630 1872090 1943216 1971090 1975072 1987380 1996896 2019960 2036793 2053626 2059299 2102496 2125728 2186118 2221956 2288110 2429020 2468840 2496120 2628120 2649840 2657160 2671922 2693280 2700720 2715724 2723040 2738168 2745732 2777445 2867040 2914824 2962608 2995344 3080439 3153744 3179808 3328160 3394655 3422710 3432165 3504160 3542880 3643530 3660976 3703260 3744180 3764981 3886432 3942180 3974760 4007883 4039920 4073586 4107252 4118598 4372236 4443912 4576220 4858040 4937680 4992240 5134065 5256240 5299680 5314320 5343844 5401440 5431448 5465295 5476336 5491464 5554890 5829648 5925216 5990688 6110379 6160878 6307488 6679805 6789310 6845420 6864330 7287060 7321952 7406520 7488360 7529962 7884360 7949520 8015766 8079840 8147172 8214504 8237196 8744472 8887824 9152440 9716080 9875360 9984480 10183965 10268130 10296495 10512480 10628640 10687688 10862896 10930590 10952672 10982928 11109780 11294943 11659296 12023649 12220758 12321756 13359610 13578620 13690840 13728660 14574120 14813040 14976720 15059924 15402195 15768720 15899040 16031532 16294344 16429008 16474392 17488944 17775648 18304880 18824905 19432160 20039415 20367930 20536260 20592990 21375376 21725792 21861180 21965856 22219560 22589886 24047298 24441516 24643512 26719220 27157240 27381680 27457320 29148240 29626080 29953440 30119848 30551895 30804390 31537440 32063064 32588688 32858016 32948784 33884829 34977888 36609760 37649810 40078830 40735860 41072520 41185980 41414791 42750752 43722360 44439120 45179772 48094596 48883032 49287024 53438440 54314480 54763360 54914640 56474715 58296480 60118245 60239696 61103790 61608780 64126128 65177376 65897568 67769658 75299620 80157660 81471720 82145040 82371960 82829582 87444720 88878240 90359544 96189192 97766064 98574048 106876880 108628960 109829280 112949430 120236490 120479392 122207580 123217560 124244373 128252256 135539316 150599240 160315320 162943440 164290080 164743920 165659164 169424145 174889440 180719088 192378384 195532128 207073955 213753760 225898860 240472980 244415160 246435120 248488746 271078632 301198480 320630640 325886880 329487840 331318328 338848290 361438176 372733119 384756768 414147910 451797720 480945960 488830320 492870240 496977492 542157264 602396960 621221865 641261280 662636656 677696580 745466238 828295820 903595440 961891920 977660640 993954984 1084314528 1242443730 1325273312 1355393160 1490932476 1656591640 1807190880 1863665595 1923783840 1987909968 2147483647 2484887460 2710786320 2981864952 3313183280 3727331190 3975819936 4294967294 4969774920 5421572640 5963729904 6442450941 6626366560 7454662380 8589934588 9939549840 10737418235 11927459808 12884901882 14909324760 17179869176 19327352823 19879099680 21474836470 23622320117 25769803764 29818649520 32212254705 34359738352 38654705646 42949672940 47244640234 51539607528 59637299040 64424509410 66571993057 68719476704 70866960351 77309411292 85899345880 94489280468 96636764115 103079215056 118111600585 128849018820 130996502467 133143986114 141733920702 154618822584 171798691760 188978560936 193273528230 199715979171 206158430112 212600881053 236223201170 257698037640 259845521287 261993004934 266287972228 283467841404 309237645168 332859965285 343597383520 354334801755 377957121872 386547056460 388694540107 392989507401 399431958342 425201762106 472446402340 515396075280 519691042574 523986009868 532575944456 566935682808 599147937513 618475290336 654982512335 665719930570 708669603510 732291923627 755914243744 773094112920 777389080214 779536563861 785979014802 798863916684 850403524212 944892804680 998579895855 1030792150560 1039382085148 1047972019736 1063004405265 1065151888912 1133871365616 1166083620321 1178968522203 1198295875026 1299227606435 1309965024670 1331439861140 1417339207020 1440961527137 1464583847254 1546188225840 1554778160428 1559073127722 1571958029604 1597727833368 1700807048424 1889785609360 1943472700535 1964947537005 1997159791710 2078764170296 2095944039472 2126008810530 2130303777824 2196875770881 2267742731232 2332167240642 2338609691583 2357937044406 2396591750052 2598455212870 2619930049340 2662879722280 2834678414040 2881923054274 2929167694508 2995739687565 3092376451680 3109556320856 3118146255444 3143916059208 3195455666736 3401614096848 3498250860963 3661459618135 3779571218720 3886945401070 3897682819305 3929895074010 3994319583420 4060891576477 4157528340592 4191888078944 4252017621060 4275639941177 4322884581411 4393751541762 4664334481284 4677219383166 4715874088812 4793183500104 5196910425740 5239860098680 5325759444560 5669356828080 5763846108548 5830418101605 5858335389016 5894842611015 5991479375130 6219112641712 6236292510888 6287832118416 6390911333472 6590627312643 6803228193696 6996501721926 7204807635685 7322919236270 7773890802140 7795365638610 7859790148020 7988639166840 8055211159897 8121783152954 8315056681184 8504035242120 8551279882354 8645769162822 8787503083524 9328668962568 9354438766332 9431748177624 9586367000208 10393820851480 10479720197360 10651518889120 10984378854405 11338713656160 11527692217096 11660836203210 11693048457915 11716670778032 11789685222030 11982958750260 12049530743317 12182674729431 12438225283424 12472585021776 12575664236832 12826919823531 12968653744233 13181254625286 13993003443852 14409615271370 14645838472540 15547781604280 15590731277220 15719580296040 15850576798507 15977278333680 16110422319794 16243566305908 17008070484240 17102559764708 17291538325644 17491254304815 17575006167048 18657337925136 18708877532664 18863496355248 19172734000416 20304457882385 20787641702960 20959440394720 21378199705885 21614422907055 21968757708810 23055384434192 23321672406420 23386096915830 23433341556064 23579370444060 23710366946527 23965917500520 24099061486634 24165633479691 24365349458862 24945170043552 25653839647062 25937307488466 26362509250572 27986006887704 28819230542740 29291676945080 31095563208560 31181462554440 31439160592080 31701153597014 31954556667360 32220844639588 32487132611816 32953136563215 34016140968480 34205119529416 34583076651288 34982508609630 35150012334096 36148592229951 36548024188293 37314675850272 37417755065328 37726992710496 38480759470593 40276055799485 40608915764770 41575283405920 42756399411770 43228845814110 43937515417620 44669807341247 46110768868384 46643344812840 46772193831660 47032039352947 47158740888120 47420733893054 47551730395521 47931835001040 48198122973268 48331266959382 48730698917724 51307679294124 51874614976932 52725018501144 55972013775408 57638461085480 58583353890160 60247653716585 60913373647155 62191126417120 62362925108880 62878321184160 63402307194028 64134599117655 64441689279176 64843268721165 64974265223632 65906273126430 68410239058832 69166153302576 69965017219260 70300024668192 71131100839581 72297184459902 72496900439073 73096048376586 74835510130656 76961518941186 79252883992535 80552111598970 81217831529540 85512798823540 86457691628220 87875030835240 89339614682494 93286689625680 93544387663320 94064078705894 94317481776240 94841467786108 95103460791042 95863670002080 96396245946536 96662533918764 97461397835448 102615358588248 103749229953864 105450037002288 108445776689853 111944027550816 115276922170960 117166707780320 118551834732635 120495307433170 120828167398455 121826747294310 124725850217760 126804614388056 128269198235310 128883378558352 129686537442330 129948530447264 131812546252860 132544838176487 134009422023741 136820478117664 138332306605152 139930034438520 141096118058841 142262201679162 142655191186563 144594368919804 144993800878146 146192096753172 153923037882372 158505767985070 161104223197940 162435663059080 171025597647080 172915383256440 175750061670480 178679229364988 180742961149755 182740120941465 186573379251360 187088775326640 188128157411788 188634963552480 189682935572216 190206921582084 192403797352965 192792491893072 193325067837528 194922795670896 205230717176496 207498459907728 210900074004576 213393302518743 216891553379706 223349036706235 230553844341920 235160196764735 237103669465270 237758651977605 240990614866340 241656334796910 243653494588620 253609228776112 256538396470620 257766757116704 259373074884660 260814036411797 263625092505720 265089676352974 268018844047482 279860068877040 282192236117682 284524403358324 285310382373126 289188737839608 289987601756292 292384193506344 307846075764744 317011535970140 322208446395880 324871326118160 342051195294160 345830766512880 351500123340960 355655504197905 357358458729976 361485922299510 362484502195365 365480241882930 374177550653280 376256314823576 379365871144432 380413843164168 384807594705930 385584983786144 386650135675056 389845591341792 397634514529461 402028266071223 410461434352992 414996919815456 423288354176523 426786605037486 433783106759412 446698073412470 470320393529470 474207338930540 475517303955210 481981229732680 483312669593820 487306989177240 491367880753717 507218457552224 513076792941240 518746149769320 521628072823594 527250185011440 530179352705948 536037688094964 542228883449265 559720137754080 564384472235364 569048806716648 570620764746252 578377475679216 579975203512584 584768387012688 615692151529488 634023071940280 644416892791760 649742652236320 662724190882435 670047110118705 684102390588320 691661533025760 705480590294205 711311008395810 713275955932815 714716917459952 722971844599020 724969004390730 730960483765860 735021375342337 752512629647152 758731742288864 760827686328336 769615189411860 773300271350112 782442109235391 795269029058922 804056532142446 846576708353046 853573210074972 867566213518824 893396146824940 940640787058940 948414677861080 951034607910420 963962459465360 966625339187640 974613978354480 982735761507434 1026153585882480 1037492299538640 1043256145647188 1054500370022880 1060358705411896 1066966512593715 1072075376189928 1084457766898530 1128768944470728 1138097613433296 1141241529492504 1156754951358432 1159950407025168 1169536774025376 1192903543588383 1231384303058976 1268046143880560 1288833785583520 1304070182058985 1325448381764870 1340094220237410 1410961180588410 1422622016791620 1426551911865630 1429433834919904 1445943689198040 1449938008781460 1457993219941357 1461920967531720 1470042750684674 1474103642261151 1505025259294304 1521655372656672 1539230378823720 1564884218470782 1590538058117844 1608113064284892 1693153416706092 1707146420149944 1735132427037648 1786792293649880 1881281574117880 1896829355722160 1902069215820840 1927924918930720 1933250678375280 1949227956708960 1965471523014868 1988172572647305 2010141330356115 2052307171764960 2074984599077280 2086512291294376 2116441770882615 2120717410823792 2133933025187430 2144150752379856 2168915533797060 2205064126027011 2257537888941456 2276195226866592 2282483058985008 2319900814050336 2347326327706173 2385807087176766 2456839403768585 2536092287761120 2608140364117970 2650896763529740 2680188440474820 2821922361176820 2845244033583240 2853103823731260 2868954400529767 2891887378396080 2899876017562920 2915986439882714 2923841935063440 2940085501369348 2948207284522302 3078460757647440 3129768436941564 3181076116235688 3216226128569784 3386306833412184 3414292840299888 3470264854075296 3573584587299760 3675106876711685 3762563148235760 3793658711444320 3804138431641680 3866501356750560 3912210546176955 3930943046029736 3976345145294610 4020282660712230 4173024582588752 4232883541765230 4241434821647584 4267866050374860 4288301504759712 4337831067594120 4373979659824071 4410128252054022 4422310926783453 4515075777882912 4564966117970016 4694652655412346 4771614174353532 4913678807537170 5216280728235940 5301793527059480 5360376880949640 5643844722353640 5690488067166480 5706207647462520 5737908801059534 5783774756792160 5799752035125840 5831972879765428 5847683870126880 5880171002738696 5896414569044604 5964517717941915 6156921515294880 6259536873883128 6362152232471376 6432452257139568 6615192378081033 6772613666824368 6828585680599776 7147169174599520 7289966099706785 7350213753423370 7370518211305755 7525126296471520 7608276863283360 7824421092353910 7861886092059472 7952690290589220 8040565321424460 8085235128765707 8346049165177504 8465767083530460 8535732100749720 8606863201589301 8675662135188240 8747959319648142 8820256504108044 8844621853566906 9389305310824692 9543228348707064 9827357615074340 10432561456471880 10603587054118960 10720753761899280 11025320630135055 11287689444707280 11380976134332960 11412415294925040 11475817602119068 11599504070251680 11663945759530856 11736631638530865 11760342005477392 11792829138089208 11929035435883830 12519073747766256 12724304464942752 12864904514279136 13121938979472213 13230384756162066 13545227333648736 14344772002648835 14579932199413570 14700427506846740 14741036422611510 15648842184707820 15723772184118944 15905380581178440 16081130642848920 16170470257531414 16931534167060920 17071464201499440 17213726403178602 17351324270376480 17495918639296284 17640513008216088 17689243707133812 18778610621649384 19086456697414128 19654715230148680 20865122912943760 21207174108237920 21441507523798560 21869898299120355 22050641260270110 22111554633917265 22575378889414560 22824830589850080 22951635204238136 23327891519061712 23473263277061730 23520684010954784 23585658276178416 23858070871767660 24255705386297121 25038147495532512 25820589604767903 26243877958944426 26460769512324132 28689544005297670 29159864398827140 29400855013693480 29482072845223020 31297684369415640 31810761162356880 32162261285697840 32340940515062828 33075961890405165 33863068334121840 34142928402998880 34427452806357204 34991837278592568 35281026016432176 35378487414267624 37557221243298768 38172913394828256 39309430460297360 40426175643828535 41730245825887520 43034316007946505 43739796598240710 44101282520540220 44223109267834530 45903270408476272 46655783038123424 46946526554123460 47171316552356832 47716141743535320 48511410772594242 51641179209535806 52487755917888852 52921539024648264 57379088010595340 58319728797654280 58801710027386960 58964145690446040 62595368738831280 63621522324713760 64324522571395680 64681881030125656 65609694897361065 66151923780810330 67726136668243680 68854905612714408 69983674557185136 70562052032864352 70756974828535248 72767116158891363 75114442486597536 78618860920594720 80852351287657070 86068632015893010 87479593196481420 88202565041080440 88446218535669060 88937586416422777 91806540816952544 93893053108246920 95432283487070640 97022821545188484 103282358419071612 104975511835777704 105843078049296528 114758176021190680 116639457595308560 117603420054773920 117928291380892080 121278526931485605 125190737477662560 129102948023839515 129363762060251312 131219389794722130 132303847561620660 137709811225428816 139967349114370272 141513949657070496 145534232317782726 161704702575314140 172137264031786020 174959186392962840 176405130082160880 176892437071338120 177875172832845554 187786106216493840 190864566974141280 194045643090376968 206564716838143224 209951023671555408 211686156098593056 229516352042381360 233278915190617120 235856582761784160 242557053862971210 258205896047679030 258727524120502624 262438779589444260 264607695123241320 266812759249268331 275419622450857632 291068464635565452 323409405150628280 344274528063572040 349918372785925680 352810260164321760 353784874142676240 355750345665691108 363835580794456815 375572212432987680 388091286180753936 413129433676286448 419902047343110816 444687932082113885 459032704084762720 485114107725942420 516411792095358060 524877559178888520 529215390246482640 533625518498536662 582136929271130904 646818810301256560 688549056127144080 699836745571851360 707569748285352480 711500691331382216 727671161588913630 776182572361507872 800438277747804993 826258867352572896 889375864164227770 970228215451884840 1032823584190716120 1049755118357777040 1058430780492965280 1067251036997073324 1164273858542261808 1293637620602513120 1334063796246341655 1377098112254288160 1423001382662764432 1455342323177827260 1600876555495609986 1778751728328455540 1940456430903769680 2065647168381432240 2099510236715554080 2134502073994146648 2328547717084523616 2668127592492683310 2846002765325528864 2910684646355654520 3201753110991219972 3557503456656911080 3880912861807539360 4002191388739024965 4131294336762864480 4269004147988293296 5336255184985366620 5821369292711309040 6403506221982439944 7115006913313822160 8004382777478049930 8538008295976586592 10672510369970733240 11642738585422618080 12807012443964879888 14230013826627644320 16008765554956099860 21345020739941466480 25614024887929759776 32017531109912199720 42690041479882932960 64035062219824399440 128070124439648798880
- Sum of all divisors σ(n): 506791957777757503488
- Sum of proper divisors (its aliquot sum) s(n): 378721833338108704608
- 128070124439648798880 is an abundant number, because the sum of its proper divisors (378721833338108704608) is greater than itself. Its abundance is 250651708898459905728
Bases of 128070124439648798880
- Binary: 11011110001010101000111101110100010000111010101011100001000101000002
- Hexadecimal: 0x6F1547BA21D5708A0
- Base-36: R10LQ6AK7T2G0
Squares and roots of 128070124439648798880
- 128070124439648798880 squared (1280701244396487988802) is 16401956773987128571316388596626689254400
- 128070124439648798880 cubed (1280701244396487988803) is 2100600645098272125497553435761546741486728296047962755072000
-
The
square root of 128070124439648798880 is 11316807166.3189878213 -
The
cube root of 128070124439648798880 is 5040604.3571649635
Scales and comparisons
How big is 128070124439648798880?- 128,070,124,439,648,798,880 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 128,070,124,439,648,798,880 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 128070124439648798880 cubic inches would be around 420050.4 feet tall.
Recreational maths with 128070124439648798880
- 128070124439648798880 backwards is 088897846934421070821
- 128070124439648798880 is a
Harshad number . - The number of decimal digits it has is: 21
- The sum of 128070124439648798880's digits is 99
- 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 128070124439648798880 - Facts about the integer". Numbermatics.com. 2024. Web. 16 June 2024.
APA style:
Numbermatics. (2024). Number 128070124439648798880 - Facts about the integer. Retrieved 16 June 2024, from https://numbermatics.com/n/128070124439648798880/
Chicago style:
Numbermatics. 2024. "Number 128070124439648798880 - Facts about the integer". https://numbermatics.com/n/128070124439648798880/
The information we have on file for 128070124439648798880 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 128070124439648798880, math, Factors of 128070124439648798880, curriculum, school, college, exams, university, Prime factorization of 128070124439648798880, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-eight quintillion, seventy quadrillion, one hundred twenty-four trillion, four hundred thirty-nine billion, six hundred forty-eight million, seven hundred ninety-eight thousand, eight hundred eighty.