128990121686118

Names of 128990121686118

• Cardinal: 128990121686118 can be written as One hundred twenty-eight trillion, nine hundred ninety billion, one hundred twenty-one million, six hundred eighty-six thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 1.28990121686118 × 10¹⁴

Factors of 128990121686118

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 149

Divisors of 128990121686118

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 23 33 42 46 49 63 66 69 77 98 99 103 126 138 147 154 161 198 206 207 231 253 294 309 322 414 441 462 483 506 529 539 618 693 721 759 882 927 966 1058 1078 1127 1133 1386 1442 1449 1518 1587 1617 1771 1854 2163 2254 2266 2277 2369 2898 3174 3234 3381 3399 3542 3703 4326 4554 4738 4761 4851 5047 5313 5819 6489 6762 6798 7107 7406 7931 9522 9702 10094 10143 10197 10609 10626 11109 11638 12167 12397 12978 14214 15141 15862 15939 16583 17457 20286 20394 21218 21321 22218 23793 24334 24794 25921 26059 30282 31827 31878 33166 33327 34914 36501 37191 40733 42642 45423 47586 49749 51842 52118 52371 54487 55517 63654 66654 71379 73002 74263 74382 77763 78177 81466 85169 90846 95481 99498 104742 108974 109503 111034 111573 116081 116699 122199 133837 142758 148526 149247 155526 156354 163461 166551 170338 182413 190962 219006 222789 223146 232162 233289 233398 234531 244007 244398 255507 267674 285131 298494 326922 333102 348243 350097 364826 366597 381409 401511 445578 466578 469062 488014 490383 499653 511014 519841 547239 570262 596183 599357 668367 696486 700194 732021 733194 762818 766521 803022 816893 855393 936859 980766 999306 1039682 1044729 1050291 1092727 1094478 1144227 1192366 1198714 1204533 1253201 1276891 1336734 1464042 1533042 1559523 1633786 1641717 1708049 1710786 1788549 1798071 1873718 2089458 2100582 2185454 2196063 2288454 2409066 2450679 2506402 2553782 2566179 2669863 2684077 2810577 3119046 3278181 3283434 3416098 3432681 3577098 3596142 3759603 3830673 4195499 4392126 4678569 4901358 5124147 5132358 5339726 5365647 5368154 5394213 5612161 5621154 5718251 6556362 6558013 6865362 7352037 7519206 7649089 7661346 8009589 8052231 8390998 8431731 8772407 9357138 9834543 10248294 10731294 10788426 11224322 11278809 11436502 11492019 11956343 12019997 12586497 13116026 13785211 14704074 15298178 15372441 16019178 16104462 16836483 16863462 17154753 17544814 18788539 19669086 19674039 22557618 22947267 22984038 23912686 24028767 24039994 24156693 25132721 25172994 26317221 27570422 29368493 30744882 33672966 34309506 35869029 36059991 37577078 37759491 39285127 39348078 41355633 45894534 48057534 48313386 50265442 50509449 51464259 52634442 53543623 56365617 58736986 59022117 61406849 61733771 68841801 71738058 72119982 75398163 75518982 78570254 78951663 82711266 84139979 88105479 96496477 101018898 102928518 107087246 107607087 108179973 112731234 117855381 118044234 122813698 123467542 124066899 129079703 131519773 137683602 150796326 157903326 160630869 168279958 169096851 175929047 176210958 184220547 185201313 192992954 215214174 216359946 226194489 235710762 248133798 252419937 258159406 263039546 264316437 274995889 276459931 289489431 321261738 338193702 351858094 353566143 368441094 370402626 387239109 394559319 432136397 452388978 481892607 504839874 527787141 528632874 549991778 552661641 552919862 555603939 578052583 578978862 588979853 675475339 707132286 757259811 774478218 789118638 824987667 829379793 864272794 868468293 903557921 963785214 1055574282 1105323282 1111207878 1156105166 1161717327 1177959706 1183677957 1231503329 1296409191 1350950678 1419876733 1514519622 1583361423 1649975334 1658759586 1734157749 1736936586 1766939559 1807115842 1935219517 2026426017 2323434654 2367355914 2463006658 2474963001 2488139379 2592818382 2710673763 2839753466 3024954779 3166722846 3468315498 3533879118 3694509987 3870439034 3889227573 4046368081 4052852034 4259630199 4949926002 4976278758 5202473247 5300818677 5421347526 5805658551 6049909558 6079278051 6324905447 6358578413 7389019974 7778455146 8092736162 8132021289 8519260398 9074864337 9939137131 10404946494 10601637354 11083529961 11611317102 12139104243 12158556102 12649810894 12717156826 12778890597 13295209409 13546536619 16264042578 17416975653 18149728674 18974716341 19075735239 19878274262 22167059922 24278208486 25557781194 26590418818 27093073238 27224593011 28324576567 29817411393 34833951306 36417312729 37949432682 38151470478 39885628227 40639609857 44510048891 54449186022 56649153134 56924149023 57227205717 59634822786 69573959917 72834625458 79771256454 81279219714 84973729701 89020097782 89452234179 93066465863 113848298046 114454411434 119656884681 121918829571 133530146673 139147919834 146247303499 169947459402 178904468358 186132931726 208721879751 239313769362 243837659142 254921189103 267060293346 279199397589 292494606998 311570342237 400590440019 417443759502 438741910497 509842378206 558398795178 623140684474 626165639253 651465261041 801180880038 837598192767 877483820994 934711026711 1023731124493 1252331278506 1302930522082 1316225731491 1675196385534 1869422053422 1954395783123 2047462248986 2632451462982 2804133080133 3071193373479 3908791566246 5608266160266 5863187349369 6142386746958 7166117871451 9213580120437 11726374698738 14332235742902 18427160240874 21498353614353 42996707228706 64495060843059 128990121686118
• Sum of all divisors σ(n): 374417848396800
• Sum of proper divisors (its aliquot sum) s(n): 245427726710682
• 128990121686118 is an abundant number, because the sum of its proper divisors (245427726710682) is greater than itself. Its abundance is 116437605024564

Bases of 128990121686118

• Binary: 11101010101000011011010011000011111010001100110₂
• Hexadecimal: 0x7550DA61F466
• Base-36: 19Q18S0X9I

Squares and roots of 128990121686118

• 128990121686118 squared (128990121686118²) is 16638451492599529151313909924
• 128990121686118 cubed (128990121686118³) is 2146195882698984930970412292321058053235032
• The square root of 128990121686118 is 11357381.8147545783
• The cube root of 128990121686118 is 50526.4537003781

Scales and comparisons

• 128,990,121,686,118 seconds is equal to 4,101,486 years, 45 weeks, 4 days, 5 hours, 15 minutes, 18 seconds.
• To count from 1 to 128,990,121,686,118 would take you about ten million, two hundred fifty-three thousand, seven hundred seventeen 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 128990121686118 cubic inches would be around 4210.5 feet tall.

Recreational maths with 128990121686118

• 128990121686118 backwards is 811686121099821
• 128990121686118 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128990121686118's digits is 63
• More coming soon!