121728468128906250

Names of 121728468128906250

• Cardinal: 121728468128906250 can be written as One hundred twenty-one quadrillion, seven hundred twenty-eight trillion, four hundred sixty-eight billion, one hundred twenty-eight million, nine hundred six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.2172846812890625 × 10¹⁷

Factors of 121728468128906250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 192

Divisors of 121728468128906250

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 25 30 38 45 50 57 75 90 95 114 125 150 163 171 190 225 250 285 326 342 361 375 450 475 489 570 625 722 750 815 855 950 978 1083 1125 1250 1425 1467 1630 1710 1805 1875 2166 2250 2375 2445 2850 2934 3097 3125 3249 3610 3750 4075 4275 4750 4890 5415 5625 6194 6250 6498 6859 7125 7335 8150 8550 9025 9291 9375 10830 11250 11875 12225 13718 14250 14670 15485 15625 16245 18050 18582 18750 20375 20577 21375 23750 24450 26569 27075 27873 28125 30970 31250 32490 34295 35625 36675 40750 41154 42750 45125 46455 46875 53138 54150 55746 56250 58843 59375 61125 61731 68590 71250 73350 77425 78125 79707 81225 90250 92910 93750 101875 102885 106875 117686 118750 122250 123462 130321 132845 135375 139365 140625 154850 156250 159414 162450 171475 176529 178125 183375 203750 205770 213750 225625 232275 234375 239121 260642 265690 270750 278730 281250 294215 296875 305625 308655 342950 353058 356250 366750 387125 390625 390963 398535 406125 451250 464550 468750 478242 504811 509375 514425 529587 534375 588430 593750 611250 617310 651605 664225 676875 696825 703125 774250 781250 781926 797070 812250 857375 882645 890625 916875 1009622 1018750 1028850 1059174 1068750 1118017 1128125 1161375 1171875 1172889 1195605 1303210 1328450 1353750 1393650 1406250 1471075 1484375 1514433 1528125 1543275 1714750 1765290 1781250 1833750 1935625 1953125 1954815 1992675 2030625 2236034 2256250 2322750 2343750 2345778 2391210 2524055 2546875 2572125 2647935 2671875 2942150 2968750 3028866 3056250 3086550 3258025 3321125 3354051 3384375 3484125 3515625 3871250 3906250 3909630 3985350 4061250 4286875 4413225 4453125 4543299 4584375 5048110 5093750 5144250 5295870 5343750 5590085 5640625 5806875 5859375 5864445 5978025 6516050 6642250 6708102 6768750 6968250 7031250 7355375 7421875 7572165 7640625 7716375 8573750 8826450 8906250 9086598 9168750 9591409 9678125 9774075 9963375 10062153 10153125 11180170 11281250 11613750 11718750 11728890 11956050 12620275 12734375 12860625 13239675 13359375 14710750 14843750 15144330 15281250 15432750 16290125 16605625 16770255 16921875 17420625 17578125 19182818 19356250 19548150 19926750 20124306 20306250 21242323 21434375 22066125 22265625 22716495 22921875 25240550 25468750 25721250 26479350 26718750 27950425 28203125 28774227 29034375 29322225 29890125 32580250 33211250 33540510 33843750 34841250 35156250 36776875 37109375 37860825 38203125 38581875 42484646 42868750 44132250 44531250 45432990 45843750 47957045 48390625 48870375 49816875 50310765 50765625 55900850 56406250 57548454 58068750 58644450 59780250 63101375 63671875 63726969 64303125 66198375 66796875 73553750 74218750 75721650 76406250 77163750 81450625 83028125 83851275 84609375 86322681 87103125 95914090 96781250 97740750 99633750 100621530 101531250 106211615 107171875 110330625 111328125 113582475 114609375 126202750 127343750 127453938 128606250 132396750 133593750 139752125 141015625 143871135 145171875 146611125 149450625 162901250 166056250 167702550 169218750 172645362 174206250 182236771 183884375 189304125 191015625 191180907 192909375 212423230 214343750 220661250 222656250 227164950 229218750 239785225 241953125 244351875 249084375 251553825 253828125 279504250 282031250 287742270 290343750 293222250 298901250 315506875 318359375 318634845 321515625 330991875 333984375 364473542 367768750 378608250 382031250 382361814 385818750 407253125 415140625 419256375 423046875 431613405 435515625 479570450 483906250 488703750 498168750 503107650 507656250 531058075 535859375 546710313 551653125 567912375 573046875 631013750 636718750 637269690 643031250 661983750 667968750 698760625 705078125 719355675 725859375 733055625 747253125 814506250 830281250 838512750 846093750 863226810 871031250 911183855 919421875 946520625 955078125 955904535 964546875 1062116150 1071718750 1093420626 1103306250 1135824750 1146093750 1198926125 1209765625 1221759375 1245421875 1257769125 1269140625 1397521250 1410156250 1438711350 1451718750 1466111250 1494506250 1577534375 1593174225 1607578125 1640130939 1654959375 1822367710 1838843750 1893041250 1910156250 1911809070 1929093750 2036265625 2075703125 2096281875 2115234375 2158067025 2177578125 2397852250 2419531250 2443518750 2490843750 2515538250 2538281250 2655290375 2679296875 2733551565 2758265625 2839561875 2865234375 3155068750 3186348450 3215156250 3280261878 3309918750 3462498649 3493803125 3596778375 3629296875 3665278125 3736265625 4072531250 4151406250 4192563750 4230468750 4316134050 4355156250 4555919275 4597109375 4732603125 4779522675 4822734375 5310580750 5358593750 5467103130 5516531250 5679123750 5730468750 5994630625 6048828125 6108796875 6227109375 6288845625 6345703125 6924997298 6987606250 7193556750 7258593750 7330556250 7472531250 7887671875 7965871125 8037890625 8200654695 8274796875 9111838550 9194218750 9465206250 9559045350 9645468750 10181328125 10378515625 10387495947 10481409375 10790335125 10887890625 11989261250 12097656250 12217593750 12454218750 12577691250 12691406250 13276451875 13396484375 13667757825 13791328125 14197809375 15775343750 15931742250 16075781250 16401309390 16549593750 17312493245 17469015625 17983891875 18146484375 18326390625 18681328125 20362656250 20757031250 20774991894 20962818750 21580670250 21775781250 22779596375 22985546875 23663015625 23897613375 24113671875 26552903750 26792968750 27335515650 27582656250 28395618750 29973153125 30543984375 31135546875 31162487841 31444228125 34624986490 34938031250 35967783750 36292968750 36652781250 37362656250 39438359375 39829355625 40189453125 41003273475 41373984375 45559192750 45971093750 47326031250 47795226750 48227343750 50906640625 51892578125 51937479735 52407046875 53951675625 54439453125 59946306250 61087968750 62271093750 62324975682 62888456250 66382259375 68338789125 68956640625 70989046875 78876718750 79658711250 80378906250 82006546950 82747968750 86562466225 87345078125 89919459375 91631953125 93406640625 101813281250 103785156250 103874959470 104814093750 107903351250 108878906250 113897981875 114927734375 118315078125 119488066875 120568359375 132764518750 136677578250 137913281250 141978093750 149865765625 152719921875 155677734375 155812439205 157221140625 173124932450 174690156250 179838918750 183263906250 186813281250 197191796875 199146778125 205016367375 206869921875 227795963750 229855468750 236630156250 238976133750 241136718750 254533203125 259687398675 262035234375 269758378125 299731531250 305439843750 311355468750 311624878410 314442281250 331911296875 341693945625 344783203125 354945234375 394383593750 398293556250 410032734750 413739843750 432812331125 436725390625 449597296875 458159765625 467033203125 509066406250 519374797350 524070468750 539516756250 569489909375 591575390625 597440334375 663822593750 683387891250 689566406250 709890468750 749328828125 763599609375 779062196025 786105703125 865624662250 873450781250 899194593750 916319531250 934066406250 985958984375 995733890625 1025081836875 1034349609375 1138979818750 1183150781250 1194880668750 1298436993375 1310176171875 1348791890625 1498657656250 1527199218750 1558124392050 1572211406250 1659556484375 1708469728125 1774726171875 1971917968750 1991467781250 2050163673750 2068699218750 2164061655625 2183626953125 2247986484375 2290798828125 2596873986750 2620352343750 2697583781250 2847449546875 2957876953125 2987201671875 3319112968750 3416939456250 3549452343750 3746644140625 3895310980125 3930528515625 4328123311250 4367253906250 4495972968750 4581597656250 4978669453125 5125409184375 5694899093750 5915753906250 5974403343750 6492184966875 6550880859375 6743959453125 7493288281250 7790621960250 7861057031250 8297782421875 8542348640625 8873630859375 9957338906250 10250818368750 10820308278125 11239932421875 12984369933750 13101761718750 13487918906250 14237247734375 14936008359375 16595564843750 17084697281250 17747261718750 18733220703125 19476554900625 19652642578125 21640616556250 22479864843750 24893347265625 25627045921875 28474495468750 29872016718750 32460924834375 33719797265625 37466441406250 38953109801250 39305285156250 41488912109375 42711743203125 49786694531250 51254091843750 54101541390625 56199662109375 64921849668750 67439594531250 71186238671875 74680041796875 82977824218750 85423486406250 97382774503125 108203082781250 112399324218750 124466736328125 128135229609375 142372477343750 149360083593750 162304624171875 168598986328125 194765549006250 213558716015625 248933472656250 256270459218750 270507706953125 324609248343750 337197972656250 355931193359375 373400208984375 427117432031250 486913872515625 541015413906250 640676148046875 711862386718750 746800417968750 811523120859375 973827745031250 1067793580078125 1281352296093750 1352538534765625 1623046241718750 2135587160156250 2434569362578125 2705077069531250 3203380740234375 4057615604296875 4869138725156250 6406761480468750 6762692673828125 8115231208593750 12172846812890625 13525385347656250 20288078021484375 24345693625781250 40576156042968750 60864234064453125 121728468128906250
• Sum of all divisors σ(n): 350144764699371642
• Sum of proper divisors (its aliquot sum) s(n): 228416296570465392
• 121728468128906250 is an abundant number, because the sum of its proper divisors (228416296570465392) is greater than itself. Its abundance is 106687828441559142

Bases of 121728468128906250

• Binary: 110110000011101110110010110010101111000000011110000001010₂
• Hexadecimal: 0x1B0776595E03C0A
• Base-36: XAL52981HQI

Squares and roots of 121728468128906250

• 121728468128906250 squared (121728468128906250²) is 14817819953010144672866821289062500
• 121728468128906250 cubed (121728468128906250³) is 1803750523889866502804153285284101963043212890625000
• The square root of 121728468128906250 is 348896070.6699148969
• The cube root of 121728468128906250 is 495599.3395095263

Scales and comparisons

• 121,728,468,128,906,250 seconds is equal to 3,870,588,755 years, 32 weeks, 3 days, 12 hours, 37 minutes, 30 seconds.
• To count from 1 to 121,728,468,128,906,250 would take you about eleven billion, six hundred eleven million, seven hundred sixty-six thousand, two hundred sixty-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 121728468128906250 cubic inches would be around 41299.9 feet tall.

Recreational maths with 121728468128906250

• 121728468128906250 backwards is 052609821864827121
• The number of decimal digits it has is: 18
• The sum of 121728468128906250's digits is 72
• More coming soon!