121814679987

Names of 121814679987

• Cardinal: 121814679987 can be written as One hundred twenty-one billion, eight hundred fourteen million, six hundred seventy-nine thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.21814679987 × 10¹¹

Factors of 121814679987

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 171

Divisors of 121814679987

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 11 13 17 21 33 39 51 59 61 63 77 91 99 117 119 143 153 169 177 183 187 221 231 273 289 357 413 427 429 507 531 549 561 649 663 671 693 767 793 819 867 1001 1003 1037 1071 1183 1239 1281 1287 1309 1521 1547 1683 1859 1947 1989 2013 2023 2301 2379 2431 2601 2873 3003 3009 3111 3179 3549 3599 3717 3757 3843 3927 4543 4641 4697 5369 5551 5577 5841 6039 6069 6903 7021 7137 7259 7293 8437 8619 8723 9009 9027 9333 9537 9971 10309 10647 10797 11033 11271 11407 11781 13013 13039 13481 13629 13923 14091 16107 16653 16731 17017 17051 17629 18207 20111 21063 21777 21879 22253 25193 25311 25857 26169 26299 28611 29913 30927 31603 32391 33099 33813 34221 39039 39117 39589 40443 40887 41327 42273 46787 48321 48841 49959 51051 51153 52887 59059 60333 61061 61183 63189 65331 66759 69797 72163 75579 75933 77231 78507 78897 79849 89739 91273 92781 94367 94809 99297 102663 109681 113399 117117 117351 118767 119357 121329 123403 123981 140361 143429 146523 148291 153153 153459 158661 169507 175253 177177 180999 183183 183549 187561 193919 200277 209391 216489 221221 221663 226737 229177 231693 236691 239547 273819 277123 283101 284427 289289 327509 329043 340197 341887 356301 358071 370209 371943 421083 428281 430287 439569 444873 508521 514657 525759 531531 537251 549549 550647 562683 581757 608231 628173 649467 663663 664989 673013 687531 695079 718641 767767 793793 795379 821457 831369 849303 867867 982527 987129 1004003 1020591 1025661 1038037 1040111 1074213 1110627 1186549 1226771 1284843 1290861 1312927 1334619 1357433 1525563 1543971 1551641 1577277 1604239 1611753 1688049 1745271 1824693 1864577 1927783 1990989 1994967 2019039 2062593 2303301 2381379 2386137 2438293 2494107 2520947 2603601 2881619 2947581 2979301 3012009 3076983 3114111 3120333 3559647 3602599 3680313 3760757 3854529 3938781 4072299 4257617 4631913 4654923 4711091 4812717 4835259 5474079 5567653 5593731 5783349 6057117 6690541 6909903 7144137 7158411 7280777 7314879 7562841 8644857 8749169 8937903 9036027 9342333 9360999 10339927 10678941 10807797 11040939 11282271 11441221 11816343 12216897 12772851 13052039 13494481 13521443 13964769 14133273 14438151 16702959 16781193 17068051 17350047 17646629 20071623 20171333 20855107 21842331 21944637 22688523 25934571 26247507 26813709 31019781 31697809 32423391 32772311 33846813 34323663 38318553 39156117 40483443 40564329 42399819 46833787 50108877 51204153 52939887 60214869 60513999 61244183 62565321 65526993 72379489 78742521 80088547 93059343 94650101 95093427 98316933 102970989 113739197 117468351 121450329 121692987 140501361 148735873 153612459 158819661 175778759 181541997 183732549 187695963 217138467 221884663 229406177 240265641 283950303 285280281 294950799 341217591 421504083 446207619 527336277 551197647 651415401 665653989 688218531 720796923 796174379 851850909 1023652773 1041151111 1230451313 1338622857 1582008831 1933566349 1996961967 2064655593 2388523137 3123453333 3691353939 5800699047 7165569411 9370359999 11074061817 13534964443 17402097141 40604893329 121814679987
• Sum of all divisors σ(n): 260823663360
• Sum of proper divisors (its aliquot sum) s(n): 139008983373
• 121814679987 is an abundant number, because the sum of its proper divisors (139008983373) is greater than itself. Its abundance is 17194303386

Bases of 121814679987

• Binary: 1110001011100101110001000000110110011₂
• Hexadecimal: 0x1C5CB881B3
• Base-36: 1JYLBCMR

Squares and roots of 121814679987

• 121814679987 squared (121814679987²) is 14838816260335218320169
• 121814679987 cubed (121814679987³) is 1807585654138626701017166442757803
• The square root of 121814679987 is 349019.5982849671
• The cube root of 121814679987 is 4957.1631148221

Scales and comparisons

• 121,814,679,987 seconds is equal to 3,873 years, 17 weeks, 1 day, 3 hours, 6 minutes, 27 seconds.
• To count from 1 to 121,814,679,987 would take you about seven thousand, seven hundred forty-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 121814679987 cubic inches would be around 413.1 feet tall.

Recreational maths with 121814679987

• 121814679987 backwards is 789976418121
• 121814679987 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121814679987's digits is 63
• More coming soon!