128536805726961012

Names of 128536805726961012

• Cardinal: 128536805726961012 can be written as One hundred twenty-eight quadrillion, five hundred thirty-six trillion, eight hundred five billion, seven hundred twenty-six million, nine hundred sixty-one thousand and twelve.

Scientific notation

• Scientific notation: 1.28536805726961012 × 10¹⁷

Factors of 128536805726961012

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 57004

Divisors of 128536805726961012

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 12 18 31 36 43 62 86 93 124 127 129 172 186 254 258 279 372 381 387 508 516 558 762 774 961 1116 1143 1333 1524 1548 1922 2286 2666 2883 3844 3937 3999 4572 5332 5461 5766 7874 7998 8649 10922 11532 11811 11997 15748 15996 16383 17167 17298 21844 23622 23994 32766 34334 34596 35433 39631 41323 47244 47988 49149 51501 65532 68668 70866 79262 82646 98298 103002 118893 122047 123969 141732 154503 158524 165292 169291 196596 206004 237786 244094 247938 309006 338582 356679 366141 371907 475572 488188 495876 507873 532177 618012 677164 713358 732282 738181 743814 1015746 1064354 1098423 1228561 1426716 1464564 1476362 1487628 1523619 1596531 1704133 2031492 2128708 2180209 2196846 2214543 2457122 2952724 3047238 3193062 3408266 3685683 4360418 4393692 4429086 4789593 4914244 5033137 5112399 5248021 6094476 6386124 6540627 6643629 6816532 7371366 8720836 8858172 9579186 10066274 10224798 10496042 11057049 13081254 13287258 14742732 15099411 15337197 15744063 16497487 19158372 19621881 20132548 20449596 20992084 22114098 22883611 26162508 26574516 30198822 30674394 31488126 32994974 38085391 39243762 44228196 45298233 45767222 47232189 49492461 52828123 60397644 61348788 62976252 65989948 67586479 68650833 76170782 78487524 90596466 91534444 93748987 94464378 98984922 105656246 114256173 135172958 137301666 148477383 152341564 156027247 158484369 181192932 187497974 188928756 197969844 202759437 205952499 211312492 216424891 228512346 270345916 274603332 281246961 296954766 312054494 316968738 342768519 374995948 405518874 411904998 432849782 457024692 468081741 475453107 562493922 593909532 608278311 624108988 633937476 649274673 680345377 685537038 709391941 811037748 823809996 843740883 865699564 936163482 950906214 1124987844 1216556622 1298549346 1360690754 1371074076 1404245223 1418783882 1637671813 1687481766 1872326964 1901812428 1947824019 2041036131 2095180849 2128175823 2433113244 2597098692 2721381508 2808490446 2837567764 2906218597 3275343626 3374963532 3895648038 4082072262 4190361698 4256351646 4836844657 4913015439 5616980892 5812437194 6123108393 6285542547 6384527469 6550687252 6709171621 7791296076 8164144524 8380723396 8512703292 8718655791 9673689314 9826030878 11624874388 12246216786 12571085094 12769054938 13418343242 14510533971 14739046317 17437311582 18856627641 19347378628 19652061756 20127514863 21090706687 24492433572 25142170188 25538109876 26155967373 26836686484 29021067942 29254851211 29478092634 34874623164 37713255282 40255029726 42181413374 43531601913 52311934746 58042135884 58509702422 58956185268 60382544589 63272120061 75426510564 80510059452 84362826748 86403862879 87063203826 87764553633 90092776507 104623869492 117019404844 120765089178 126544240122 172807725758 174126407652 175529107266 180185553014 189816360183 207984320251 241530178356 253088480244 259211588637 263293660899 270278329521 345615451516 351058214532 360371106028 379632720366 415968640502 518423177274 526587321798 540556659042 623952960753 653811907297 759265440732 777634765911 810834988563 831937281004 906900387541 1036846354548 1053174643596 1081113318084 1247905921506 1307623814594 1555269531822 1621669977126 1813800775082 1871858882259 1961435721891 2495811843012 2615247629188 2678519749249 2720701162623 3110539063644 3243339954252 3627601550164 3715366103797 3743717764518 3922871443782 5357039498498 5441402325246 5884307165673 7430732207594 7487435529036 7845742887564 8035559247747 8162103487869 10714078996996 10882804650492 11146098311391 11768614331346 14861464415188 16071118495494 16324206975738 22292196622782 23537228662692 24106677743241 28113912013771 32142236990988 32648413951476 33438294934173 44584393245564 48213355486482 56227824027542 66876589868346 83034112226719 84341736041313 96426710972964 112455648055084 115176349217707 133753179736692 166068224453438 168683472082626 230352698435414 249102336680157 253025208123939 332136448906876 337366944165252 345529047653121 460705396870828 498204673360314 506050416247878 691058095306242 747307010040471 996409346720628 1012100832495756 1036587142959363 1382116190612484 1494614020080942 2073174285918726 2989228040161884 3570466825748917 4146348571837452 7140933651497834 10711400477246751 14281867302995668 21422800954493502 32134201431740253 42845601908987004 64268402863480506 128536805726961012
• Sum of all divisors σ(n): 346273280065929216
• Sum of proper divisors (its aliquot sum) s(n): 217736474338968204
• 128536805726961012 is an abundant number, because the sum of its proper divisors (217736474338968204) is greater than itself. Its abundance is 89199668612007192

Bases of 128536805726961012

• Binary: 111001000101001111000101100110101111010110011110101110100₂
• Hexadecimal: 0x1C8A78B35EB3D74
• Base-36: Z5MHTDBUT10

Squares and roots of 128536805726961012

• 128536805726961012 squared (128536805726961012²) is 16521710426490517212565632968064144
• 128536805726961012 cubed (128536805726961012³) is 2123647883366917776913190315767763763704393803153728
• The square root of 128536805726961012 is 358520300.2996636619
• The cube root of 128536805726961012 is 504671.9507545779

Scales and comparisons

• 128,536,805,726,961,012 seconds is equal to 4,087,072,831 years, 34 weeks, 6 days, 17 hours, 10 minutes, 12 seconds.
• To count from 1 to 128,536,805,726,961,012 would take you about twelve billion, two hundred sixty-one million, two hundred eighteen thousand, four hundred ninety-five 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 128536805726961012 cubic inches would be around 42056 feet tall.

Recreational maths with 128536805726961012

• 128536805726961012 backwards is 210169627508635821
• The number of decimal digits it has is: 18
• The sum of 128536805726961012's digits is 72
• More coming soon!