23675356799041536
23,675,356,799,041,536 is an even composite number composed of six prime numbers multiplied together.
What does the number 23675356799041536 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 2016 divisors.
23675356799041536 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand and sixteen divisors.
Prime factorization of 23675356799041536:
220 × 33 × 31 × 47 × 61 × 972
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 31 × 47 × 61 × 97 × 97)See below for interesting mathematical facts about the number 23675356799041536 from the Numbermatics database.
Names of 23675356799041536
- Cardinal: 23675356799041536 can be written as Twenty-three quadrillion, six hundred seventy-five trillion, three hundred fifty-six billion, seven hundred ninety-nine million, forty-one thousand, five hundred thirty-six.
Scientific notation
- Scientific notation: 2.3675356799041536 × 1016
Factors of 23675356799041536
Divisors of 23675356799041536
- Number of divisors d(n): 2016
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 47 48 54 61 62 64 72 93 94 96 97 108 122 124 128 141 144 183 186 188 192 194 216 244 248 256 279 282 288 291 366 372 376 384 388 423 432 488 496 512 549 558 564 576 582 732 744 752 768 776 837 846 864 873 976 992 1024 1098 1116 1128 1152 1164 1269 1457 1464 1488 1504 1536 1552 1647 1674 1692 1728 1746 1891 1952 1984 2048 2196 2232 2256 2304 2328 2538 2619 2867 2914 2928 2976 3007 3008 3072 3104 3294 3348 3384 3456 3492 3782 3904 3968 4096 4371 4392 4464 4512 4559 4608 4656 5076 5238 5673 5734 5828 5856 5917 5952 6014 6016 6144 6208 6588 6696 6768 6912 6984 7564 7808 7936 8192 8601 8742 8784 8928 9021 9024 9118 9216 9312 9409 10152 10476 11346 11468 11656 11712 11834 11904 12028 12032 12288 12416 13113 13176 13392 13536 13677 13824 13968 15128 15616 15872 16384 17019 17202 17484 17568 17751 17856 18042 18048 18236 18432 18624 18818 20304 20952 22692 22936 23312 23424 23668 23808 24056 24064 24576 24832 25803 26226 26352 26784 27063 27072 27354 27648 27936 28227 30256 31232 31744 32768 34038 34404 34968 35136 35502 35712 36084 36096 36472 36864 37248 37636 39339 40608 41031 41904 45384 45872 46624 46848 47336 47616 48112 48128 49152 49664 51057 51606 52452 52704 53253 53568 54126 54144 54708 55296 55872 56454 60512 62464 63488 65536 68076 68808 69936 70272 71004 71424 72168 72192 72944 73728 74496 75272 77409 78678 81189 81216 82062 83808 84681 88877 90768 91744 93248 93696 94672 95232 96224 96256 98304 99328 102114 103212 104904 105408 106506 107136 108252 108288 109416 110592 111744 112908 121024 123093 124928 126976 131072 136152 137616 139872 140544 141329 142008 142848 144336 144384 145888 147456 148992 150544 154818 157356 159759 162378 162432 164124 167616 169362 177754 181536 183427 183488 186496 187392 189344 190464 192448 192512 196608 198656 204228 206424 209808 210816 213012 214272 216504 216576 218832 221184 223488 225816 242048 246186 249856 253952 254043 262144 266631 272304 275232 278099 279744 281088 282658 284016 285696 288672 288768 291679 291776 294912 297984 301088 309636 314712 319518 324756 324864 328248 335232 338724 355508 363072 366854 366976 372992 374784 378688 380928 384896 385024 393216 397312 408456 412848 419616 421632 423987 426024 428544 433008 433152 437664 442223 442368 446976 451632 484096 492372 499712 507904 508086 524288 533262 544608 550281 550464 556198 559488 562176 565316 568032 571392 573949 577344 577536 583358 583552 589824 595968 602176 619272 629424 639036 649512 649728 656496 670464 677448 711016 726144 733708 733952 745984 749568 757376 761856 769792 770048 786432 794624 799893 816912 825696 834297 839232 843264 847974 852048 857088 866016 866304 875037 875328 884446 884736 893952 903264 968192 984744 999424 1015808 1016172 1048576 1066524 1089216 1100562 1100928 1112396 1118976 1124352 1130632 1136064 1142784 1147898 1154688 1155072 1166716 1167104 1179648 1191936 1204352 1238544 1258848 1271961 1278072 1299024 1299456 1312992 1326669 1340928 1354896 1422032 1452288 1467416 1467904 1491968 1499136 1514752 1523712 1539584 1540096 1572864 1589248 1599786 1633824 1650843 1651392 1668594 1678464 1686528 1695948 1704096 1714176 1721847 1732032 1732608 1750074 1750656 1768892 1769472 1787904 1806528 1936384 1969488 1998848 2031616 2032344 2133048 2178432 2201124 2201856 2224792 2237952 2248704 2261264 2272128 2285568 2295796 2309376 2310144 2333432 2334208 2359296 2383872 2399679 2408704 2477088 2502891 2517696 2543922 2556144 2598048 2598912 2625111 2625984 2653338 2681856 2709792 2844064 2904576 2934832 2935808 2983936 2998272 3029504 3047424 3079168 3080192 3145728 3178496 3199572 3267648 3301686 3302784 3337188 3356928 3373056 3391896 3408192 3428352 3443694 3464064 3465216 3500148 3501312 3537784 3538944 3575808 3613056 3815883 3872768 3938976 3980007 3997696 4063232 4064688 4266096 4356864 4402248 4403712 4449584 4475904 4497408 4522528 4544256 4571136 4591592 4618752 4620288 4666864 4668416 4718592 4767744 4799358 4817408 4952529 4954176 5005782 5035392 5087844 5112288 5165541 5196096 5197824 5250222 5251968 5306676 5363712 5419584 5688128 5809152 5869664 5871616 5967872 5996544 6059008 6094848 6158336 6160384 6356992 6399144 6535296 6603372 6605568 6674376 6713856 6746112 6783792 6816384 6856704 6887388 6928128 6930432 7000296 7002624 7075568 7077888 7151616 7226112 7508673 7631766 7745536 7875333 7877952 7960014 7995392 8126464 8129376 8532192 8621069 8713728 8804496 8807424 8899168 8951808 8994816 9045056 9088512 9142272 9183184 9237504 9240576 9333728 9336832 9437184 9535488 9598716 9634816 9905058 9908352 10011564 10070784 10175688 10224576 10331082 10392192 10395648 10500444 10503936 10613352 10727424 10839168 11376256 11618304 11739328 11743232 11935744 11940021 11993088 12118016 12189696 12316672 12320768 12713984 12798288 13070592 13206744 13211136 13348752 13427712 13492224 13567584 13632768 13708913 13713408 13774776 13856256 13860864 14000592 14005248 14151136 14155776 14303232 14452224 15017346 15263532 15491072 15496623 15750666 15755904 15920028 15990784 16252928 16258752 17064384 17242138 17427456 17608992 17614848 17792419 17798336 17903616 17989632 18090112 18177024 18284544 18366368 18475008 18481152 18667456 18673664 19070976 19197432 19269632 19810116 19816704 20023128 20141568 20351376 20449152 20662164 20784384 20791296 21000888 21007872 21226704 21454848 21678336 22752512 23236608 23478656 23486464 23871488 23880042 23986176 24236032 24379392 24633344 24641536 25427968 25596576 25863207 26141184 26413488 26422272 26697504 26855424 26975603 26984448 27135168 27265536 27417826 27426816 27549552 27712512 27721728 28001184 28010496 28302272 28311552 28606464 28904448 30034692 30527064 30982144 30993246 31501332 31511808 31840056 31981568 32505856 32517504 34128768 34484276 34854912 35217984 35229696 35584838 35596672 35807232 35979264 36180224 36354048 36569088 36732736 36950016 36962304 37334912 37347328 38141952 38394864 38539264 39620232 39633408 40046256 40283136 40702752 40898304 41126739 41324328 41568768 41582592 42001776 42015744 42453408 42909696 43356672 45505024 46473216 46957312 46972928 47742976 47760084 47972352 48472064 48758784 49266688 49283072 50855936 51193152 51726414 52282368 52826976 52844544 53377257 53395008 53710848 53951206 53968896 54270336 54531072 54835652 54853632 55099104 55425024 55443456 56002368 56020992 56604544 57212928 57808896 60069384 61054128 61964288 61986492 63002664 63023616 63680112 63963136 65035008 68257536 68968552 69709824 70435968 70459392 71169676 71193344 71614464 71958528 72360448 72708096 73138176 73465472 73900032 73924608 74669824 74694656 76283904 76789728 77078528 77589621 79240464 79266816 80092512 80566272 80926809 81405504 81796608 82253478 82648656 83137536 83165184 84003552 84031488 84906816 85819392 86713344 91010048 92946432 93914624 93945856 95485952 95520168 95944704 96944128 97517568 98533376 101711872 102386304 103452828 104564736 105653952 105689088 106754514 106790016 107421696 107902412 107937792 108540672 109062144 109671304 109707264 110198208 110850048 110886912 112004736 112041984 113209088 114425856 115617792 120138768 122108256 123380217 123928576 123972984 126005328 126047232 127360224 130070016 136515072 137937104 139419648 140871936 140918784 142339352 142386688 143228928 143917056 144720896 145416192 146276352 146930944 147800064 147849216 149339648 149389312 152567808 153579456 154157056 155179242 158480928 158533632 160131771 160185024 161132544 161853618 162811008 163593216 164506956 165297312 166275072 166330368 168007104 168062976 169813632 171638784 173426688 182020096 185892864 187829248 187891712 190971904 191040336 191889408 193888256 197066752 204772608 206905656 209129472 211307904 211378176 213509028 213580032 214843392 215804824 215875584 217081344 218124288 219342608 219414528 220396416 221700096 221773824 224009472 224083968 226418176 228851712 231235584 232768863 240277536 242780427 244216512 246760434 247857152 247945968 252010656 252094464 254720448 260140032 273030144 275874208 278839296 281743872 281837568 284678704 284773376 286457856 287834112 289441792 290832384 292552704 293861888 295600128 298679296 298778624 305135616 307158912 308314112 310358484 316961856 317067264 320263542 320370048 322265088 323707236 325622016 327186432 329013912 330594624 332550144 332660736 336014208 336125952 339627264 343277568 346853376 364040192 370140651 371785728 375658496 375783424 381943808 382080672 387776512 394133504 409545216 413811312 418258944 422615808 422756352 427018056 427160064 429686784 431609648 431751168 434162688 436248576 438685216 438829056 440792832 443400192 443547648 448018944 448167936 452836352 457703424 462471168 465537726 480395313 480555072 485560854 488433024 493520868 495714304 495891936 504021312 504188928 509440896 520280064 546060288 551748416 557678592 563487744 563675136 569357408 569546752 572915712 575668224 578883584 581664768 587723776 591200256 597358592 597557248 614317824 616628224 620716968 633923712 634134528 640527084 640740096 644530176 647414472 651244032 654372864 658027824 661189248 665100288 665321472 672028416 672251904 679254528 686555136 693706752 728080384 728341281 740281302 743571456 751316992 751566848 763887616 764161344 775553024 788267008 819090432 827622624 836243693 836517888 845231616 845512704 854036112 854320128 859373568 863219296 863502336 868325376 872497152 877370432 877658112 881585664 886800384 896037888 896335872 905672704 915406848 924942336 931075452 960790626 961110144 971121708 976866048 987041736 991428608 991783872 1008042624 1008377856 1018881792 1040560128 1092120576 1103496832 1115357184 1126975488 1127350272 1138714816 1139093504 1145831424 1157767168 1163329536 1175447552 1182400512 1194717184 1195114496 1228635648 1233256448 1241433936 1267847424 1268269056 1281054168 1281480192 1289060352 1294828944 1302488064 1308745728 1316055648 1322378496 1330200576 1330642944 1344056832 1344503808 1358509056 1373110272 1387413504 1456160768 1456682562 1480562604 1487142912 1502633984 1503133696 1527775232 1528322688 1551106048 1576534016 1638180864 1655245248 1672487386 1673035776 1690463232 1691025408 1708072224 1708640256 1718747136 1726438592 1727004672 1736650752 1744994304 1754740864 1763171328 1773600768 1792075776 1792671744 1811345408 1849884672 1862150904 1921581252 1922220288 1942243416 1953732096 1974083472 1982857216 1983567744 2016085248 2016755712 2037763584 2081120256 2184241152 2206993664 2230714368 2253950976 2254700544 2277429632 2278187008 2291662848 2315534336 2326659072 2350895104 2364801024 2389434368 2390228992 2457271296 2466512896 2482867872 2508731079 2535694848 2536538112 2562108336 2562960384 2578120704 2589657888 2604976128 2617491456 2632111296 2644756992 2660401152 2688113664 2689007616 2717018112 2746220544 2774827008 2912321536 2913365124 2961125208 2974285824 3005267968 3006267392 3056645376 3102212096 3153068032 3276361728 3310490496 3344974772 3346071552 3380926464 3382050816 3416144448 3417280512 3437494272 3452877184 3473301504 3489988608 3509481728 3526342656 3547201536 3584151552 3585343488 3622690816 3699769344 3724301808 3843162504 3844440576 3884486832 3907464192 3948166944 3967135488 4032170496 4033511424 4075527168 4162240512 4368482304 4413987328 4461428736 4507901952 4509401088 4554859264 4556374016 4583325696 4631068672 4653318144 4701790208 4729602048 4778868736 4780457984 4914542592 4933025792 4965735744 5017462158 5071389696 5073076224 5124216672 5125920768 5156241408 5179315776 5209952256 5234982912 5264222592 5289513984 5320802304 5376227328 5378015232 5434036224 5549654016 5824643072 5826730248 5922250416 5948571648 6010535936 6113290752 6204424192 6552723456 6620980992 6689949544 6692143104 6761852928 6764101632 6832288896 6834561024 6874988544 6905754368 6946603008 6979977216 7018963456 7052685312 7094403072 7168303104 7170686976 7245381632 7399538688 7448603616 7526193237 7686325008 7688881152 7768973664 7814928384 7896333888 7934270976 8064340992 8067022848 8151054336 8324481024 8736964608 8827974656 8922857472 9015803904 9018802176 9109718528 9112748032 9262137344 9306636288 9403580416 9459204096 9557737472 9829085184 9866051584 9931471488 10034924316 10142779392 10146152448 10248433344 10251841536 10312482816 10358631552 10419904512 10469965824 10528445184 10579027968 10641604608 10752454656 10756030464 10868072448 11099308032 11649286144 11653460496 11844500832 12021071872 12226581504 13105446912 13241961984 13379899088 13384286208 13523705856 13528203264 13664577792 13669122048 13749977088 13811508736 13893206016 13959954432 14037926912 14105370624 14188806144 14336606208 14341373952 14490763264 14799077376 14897207232 15052386474 15372650016 15377762304 15537947328 15629856768 15792667776 15868541952 16128681984 16134045696 16302108672 16648962048 17473929216 17655949312 17845714944 18031607808 18219437056 18225496064 18524274688 18613272576 18807160832 19115474944 19658170368 19862942976 20069848632 20285558784 20292304896 20496866688 20503683072 20624965632 20717263104 20839809024 20939931648 21056890368 21158055936 21283209216 21504909312 21512060928 21736144896 22198616064 22578579711 23298572288 23306920992 23689001664 24042143744 24453163008 26210893824 26483923968 26759798176 26768572416 27047411712 27056406528 27329155584 27338244096 27623017472 27786412032 27919908864 28075853824 28210741248 28377612288 28673212416 28981526528 29598154752 29794414464 30104772948 30745300032 30755524608 31075894656 31259713536 31585335552 31737083904 32257363968 32268091392 32604217344 33297924096 34947858432 35311898624 36063215616 36438874112 36450992128 37048549376 37614321664 38230949888 39316340736 39725885952 40139697264 40571117568 40584609792 40993733376 41007366144 41249931264 41434526208 41679618048 41879863296 42113780736 42316111872 42566418432 43009818624 43024121856 43472289792 44397232128 45157159422 46597144576 46613841984 47378003328 48084287488 48906326016 52421787648 52967847936 53519596352 53537144832 54094823424 54658311168 54676488192 55246034944 55572824064 55839817728 56151707648 56421482496 57346424832 57963053056 59588828928 60209545896 61490600064 61511049216 62151789312 62519427072 63170671104 63474167808 64514727936 64536182784 65208434688 66595848192 69895716864 70623797248 72126431232 72877748224 72901984256 74097098752 75228643328 76461899776 78632681472 79451771904 80279394528 81142235136 81169219584 81987466752 82014732288 82869052416 83359236096 83759726592 84227561472 84632223744 85132836864 86019637248 86944579584 88794464256 90314318844 93194289152 93227683968 94756006656 96168574976 97812652032 104843575296 105935695872 107039192704 108189646848 109316622336 109352976384 110492069888 111145648128 112303415296 112842964992 114692849664 115926106112 119177657856 120419091792 122981200128 123022098432 124303578624 125038854144 126341342208 126948335616 129029455872 129072365568 130416869376 133191696384 139791433728 141247594496 144252862464 145755496448 145803968512 148194197504 150457286656 152923799552 157265362944 158903543808 160558789056 162284470272 163974933504 164029464576 165738104832 166718472192 167519453184 168455122944 169264447488 172039274496 173889159168 180628637688 186455367936 189512013312 192337149952 195625304064 209687150592 211871391744 214078385408 216379293696 218633244672 218705952768 220984139776 222291296256 224606830592 225685929984 229385699328 231852212224 238355315712 240838183584 245962400256 246044196864 248607157248 250077708288 252682684416 253896671232 258058911744 260833738752 266383392768 279582867456 282495188992 288505724928 291510992896 291607937024 300914573312 305847599104 314530725888 317807087616 321117578112 324568940544 327949867008 328058929152 331476209664 333436944384 336910245888 338528894976 344078548992 347778318336 361257275376 372910735872 379024026624 391250608128 419374301184 423742783488 428156770816 432758587392 437266489344 437411905536 441968279552 444582592512 449213661184 451371859968 458771398656 463704424448 476710631424 481676367168 491924800512 492088393728 497214314496 500155416576 505365368832 507793342464 516117823488 521667477504 564990377984 577011449856 583021985792 601829146624 629061451776 635614175232 642235156224 649137881088 655899734016 656117858304 662952419328 666873888768 673820491776 677057789952 688157097984 695556636672 722514550752 745821471744 758048053248 782501216256 838748602368 847485566976 856313541632 865517174784 874532978688 874823811072 883936559104 898427322368 902743719936 917542797312 953421262848 963352734336 983849601024 984176787456 994428628992 1000310833152 1010730737664 1015586684928 1032235646976 1043334955008 1129980755968 1166043971584 1258122903552 1271228350464 1284470312448 1298275762176 1311799468032 1312235716608 1325904838656 1333747777536 1347640983552 1354115579904 1376314195968 1391113273344 1445029101504 1491642943488 1516096106496 1565002432512 1694971133952 1712627083264 1731034349568 1749065957376 1767873118208 1796854644736 1805487439872 1906842525696 1926705468672 1967699202048 1968353574912 1988857257984 2000621666304 2021461475328 2031173369856 2064471293952 2086669910016 2259961511936 2332087943168 2516245807104 2542456700928 2568940624896 2596551524352 2623598936064 2624471433216 2651809677312 2695281967104 2708231159808 2752628391936 2890058203008 2983285886976 3032192212992 3130004865024 3389942267904 3425254166528 3498131914752 3535746236416 3593709289472 3813685051392 3853410937344 3935398404096 3936707149824 3977714515968 4001243332608 4042922950656 4062346739712 4128942587904 4173339820032 4519923023872 4664175886336 5084913401856 5137881249792 5193103048704 5247197872128 5303619354624 5390563934208 5416462319616 5780116406016 5966571773952 6064384425984 6260009730048 6779884535808 6850508333056 6996263829504 7071492472832 7187418578944 7627370102784 7706821874688 7870796808192 7873414299648 7955429031936 8085845901312 8124693479424 8257885175808 9039846047744 9328351772672 10169826803712 10275762499584 10494395744256 10607238709248 10781127868416 11560232812032 11933143547904 12128768851968 12520019460096 13559769071616 13701016666112 13992527659008 14142984945664 14374837157888 15254740205568 15413643749376 15741593616384 15910858063872 16171691802624 16249386958848 18656703545344 20339653607424 20551524999168 20988791488512 21214477418496 21562255736832 23120465624064 23866287095808 24257537703936 27119538143232 27402033332224 27985055318016 28285969891328 30509480411136 30827287498752 31483187232768 31821716127744 32343383605248 40679307214848 41103049998336 41977582977024 42428954836992 43124511473664 46240931248128 47732574191616 48515075407872 54804066664448 55970110636032 61018960822272 61654574997504 62966374465536 63643432255488 64686767210496 81358614429696 82206099996672 83955165954048 84857909673984 92481862496256 95465148383232 97030150815744 109608133328896 122037921644544 123309149995008 125932748931072 127286864510976 129373534420992 164412199993344 167910331908096 184963724992512 190930296766464 194060301631488 219216266657792 244075843289088 246618299990016 251865497862144 254573729021952 328824399986688 369927449985024 381860593532928 388120603262976 438432533315584 493236599980032 503730995724288 657648799973376 739854899970048 763721187065856 876865066631168 986473199960064 1315297599946752 1479709799940096 1972946399920128 2630595199893504 2959419599880192 3945892799840256 5918839199760384 7891785599680512 11837678399520768 23675356799041536
- Sum of all divisors σ(n): 75947956379688960
- Sum of proper divisors (its aliquot sum) s(n): 52272599580647424
- 23675356799041536 is an abundant number, because the sum of its proper divisors (52272599580647424) is greater than itself. Its abundance is 28597242781605888
Bases of 23675356799041536
- Binary: 10101000001110010011100100011111111000000000000000000002
- Hexadecimal: 0x541C9C8FF00000
- Base-36: 6H47ORIJUO0
Squares and roots of 23675356799041536
- 23675356799041536 squared (236753567990415362) is 560522519561922285641008253239296
- 23675356799041536 cubed (236753567990415363) is 13270570644526249150232988825600465246380051398656
-
The
square root of 23675356799041536 is 153867984.9710183733 -
The
cube root of 23675356799041536 is 287143.4038287941
Scales and comparisons
How big is 23675356799041536?- 23,675,356,799,041,536 seconds is equal to 752,803,113 years, 27 weeks, 1 day, 5 hours, 45 minutes, 36 seconds.
-
To count from 1 to 23,675,356,799,041,536 would take you about two billion, two hundred fifty-eight million, four hundred nine thousand, three hundred forty 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 23675356799041536 cubic inches would be around 23928.6 feet tall.
Recreational maths with 23675356799041536
- 23675356799041536 backwards is 63514099765357632
- The number of decimal digits it has is: 17
- The sum of 23675356799041536'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 23675356799041536 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
APA style:
Numbermatics. (2024). Number 23675356799041536 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/23675356799041536/
Chicago style:
Numbermatics. 2024. "Number 23675356799041536 - Facts about the integer". https://numbermatics.com/n/23675356799041536/
The information we have on file for 23675356799041536 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 23675356799041536, math, Factors of 23675356799041536, curriculum, school, college, exams, university, Prime factorization of 23675356799041536, STEM, science, technology, engineering, physics, economics, calculator, twenty-three quadrillion, six hundred seventy-five trillion, three hundred fifty-six billion, seven hundred ninety-nine million, forty-one thousand, five hundred thirty-six.