121355225811981

Names of 121355225811981

• Cardinal: 121355225811981 can be written as One hundred twenty-one trillion, three hundred fifty-five billion, two hundred twenty-five million, eight hundred eleven thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.21355225811981 × 10¹⁴

Factors of 121355225811981

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1496

Divisors of 121355225811981

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 19 21 43 49 57 63 129 133 147 171 301 331 343 361 387 399 441 817 903 931 993 1029 1083 1093 1197 2107 2317 2401 2451 2527 2709 2793 2979 3087 3249 3279 5719 6289 6321 6517 6951 7203 7353 7581 7651 8379 9837 14233 14749 15523 16219 17157 17689 18867 18963 19551 20767 20853 21609 22743 22953 40033 42699 44023 44247 45619 46569 46999 48657 51471 53067 53557 56601 58653 62301 68859 99631 103243 108661 113533 119491 120099 123823 128097 132069 132741 136857 139707 140997 145369 145971 159201 160671 186903 270427 280231 298893 308161 309729 325983 328993 340599 358473 360297 361783 371469 374899 394573 396207 410571 422991 436107 482013 697417 760627 794731 811281 836437 840693 866761 892981 896679 924483 929187 977949 986979 1017583 1021797 1075419 1085349 1114407 1124697 1183719 1308321 1892989 1961617 2092251 2157127 2281881 2302951 2384193 2433843 2509311 2522079 2532481 2600283 2624293 2678943 2762011 2773449 2960937 3052749 3256047 3374091 3551157 4881919 5138113 5324389 5678967 5855059 5884851 6250867 6276753 6471381 6845643 6873877 6908853 7123081 7152579 7527933 7597443 7800849 7872879 8036829 8286033 9158247 13250923 14645757 15099889 15414339 15556669 15973167 16120657 16966639 17036901 17565177 17654553 17727367 18752601 19334077 19414143 20621631 20726559 21369243 22792329 23618637 24858099 34173433 35966791 37270723 39752769 40985413 43756069 43937271 45299667 46243017 46670007 47919501 48117139 48361971 49861567 50899917 52695531 53182101 56257803 58002231 61864893 64107729 92756461 102520299 107900373 108896683 111812169 112844599 118766473 119258307 122956239 124091569 130603663 131268207 135338539 135899001 140010021 144351417 145085913 149584701 152699751 159546303 174006693 251767537 278269383 286897891 295576711 306292483 307560897 323701119 326690049 335436507 336819973 338533797 356299419 368868717 372274707 391810989 393804621 406015617 433054251 448754103 649295227 755302611 762276781 831365311 834808149 860693673 868640983 886730133 914225641 918877449 947369773 980070147 1010459919 1015601391 1068898257 1116824121 1175432967 1218046851 1762372759 1947885681 2069036977 2144047381 2265907833 2286830343 2357739811 2494095933 2582081019 2605922949 2660190399 2742676923 2756632347 2842109319 3031379757 5287118277 5335937467 5615957509 5819557177 5843657043 6207110931 6399579487 6432142143 6860491029 7073219433 7482287799 7817768847 8228030769 8526327957 12336609313 14483258839 15861354831 16007812401 16504178677 16847872527 17458671531 18621332793 19198738461 19296426429 21219658299 37009827939 37351562269 39311702563 40736900239 43449776517 44797056409 48023437203 49512536031 50543617581 52376014593 57596215383 101382811873 111029483817 112054686807 117935107689 122210700717 130349329551 134391169227 148537608093 275181917941 304148435619 313579394863 336164060421 353805323067 366632102151 403173507681 709679683111 825545753823 912445306857 940738184589 1926273425587 2129039049333 2476637261469 2822214553767 5778820276761 6387117147999 13483913979109 17336460830283 40451741937327 121355225811981
• Sum of all divisors σ(n): 221712163042656
• Sum of proper divisors (its aliquot sum) s(n): 100356937230675
• 121355225811981 is a deficient number, because the sum of its proper divisors (100356937230675) is less than itself. Its deficiency is 20998288581306

Bases of 121355225811981

• Binary: 11011100101111100110111001000000100110000001101₂
• Hexadecimal: 0x6E5F37204C0D
• Base-36: 170LTK5DL9

Squares and roots of 121355225811981

• 121355225811981 squared (121355225811981²) is 14727090831876899560763144361
• 121355225811981 cubed (121355225811981³) is 1787209433455976259257049337884654946389141
• The square root of 121355225811981 is 11016134.7945629735
• The cube root of 121355225811981 is 49509.2287404009

Scales and comparisons

• 121,355,225,811,981 seconds is equal to 3,858,720 years, 41 weeks, 5 days, 19 hours, 46 minutes, 21 seconds.
• To count from 1 to 121,355,225,811,981 would take you about nine million, six hundred forty-six thousand, eight hundred two 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 121355225811981 cubic inches would be around 4125.8 feet tall.

Recreational maths with 121355225811981

• 121355225811981 backwards is 189118522553121
• The number of decimal digits it has is: 15
• The sum of 121355225811981's digits is 54
• More coming soon!