121868541944721

Names of 121868541944721

• Cardinal: 121868541944721 can be written as One hundred twenty-one trillion, eight hundred sixty-eight billion, five hundred forty-one million, nine hundred forty-four thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.21868541944721 × 10¹⁴

Factors of 121868541944721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1145

Divisors of 121868541944721

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 11 13 33 39 99 117 121 143 169 241 363 429 507 723 877 1089 1287 1521 1573 1859 2169 2197 2631 2651 3133 4719 5577 6591 7893 7953 9399 9647 11401 14157 16731 19773 20449 23859 24167 28197 28941 29161 34203 34463 40729 58081 61347 72501 86823 87483 102609 103389 106117 122187 125411 148213 174243 184041 211357 217503 262449 265837 310167 318351 366561 376233 379093 444639 448019 522729 529477 634071 638891 755053 797511 955053 1128699 1137279 1333917 1344057 1379521 1588431 1630343 1902213 1916673 1926769 2265159 2324927 2392533 2747641 3411837 4032171 4138563 4765293 4891029 4928209 5750019 5780307 5824247 6795477 6974781 7027801 8242923 8305583 9815689 12415689 14673087 14784627 17340921 17472741 17933773 20924343 21083403 21194459 24728769 24916749 25574197 29447067 30224051 35719333 44353881 50937037 52418223 53801319 63250209 63583377 64066717 74750247 76722591 88341201 90672153 91361413 107157999 107972579 127603957 152811111 161403957 190750131 192200151 230167773 233139049 272016459 274084239 321473997 323917737 332464561 382811871 392912663 458433333 464351329 560307407 576600453 662181481 699417147 822252717 971753211 997393683 1148435613 1178737989 1187698369 1393053987 1403643527 1680922221 1986544443 2098251441 2992181049 3536213967 3563095107 4179161961 4210930581 4322039293 5042766663 5107864619 5959633329 6163381477 7283996291 8608359253 10689285321 12632791743 12966117879 15323593857 15440078797 18490144431 21851988873 25825077759 38898353637 45970781571 46320236391 55470433293 56186510809 65555966619 77475233277 80123959201 94691951783 111908670289 138960709173 168559532427 240371877603 284075855349 335726010867 505678597281 721115632809 852227566047 1007178032601 1041611469613 1230995373179 3124834408839 3692986119537 9374503226517 11078958358611 13540949104969 40622847314907 121868541944721
• Sum of all divisors σ(n): 210720273461880
• Sum of proper divisors (its aliquot sum) s(n): 88851731517159
• 121868541944721 is a deficient number, because the sum of its proper divisors (88851731517159) is less than itself. Its deficiency is 33016810427562

Bases of 121868541944721

• Binary: 11011101101011010111011001001101110001110010001₂
• Hexadecimal: 0x6ED6BB26E391
• Base-36: 1775MVBKI9

Squares and roots of 121868541944721

• 121868541944721 squared (121868541944721²) is 14851941515732221736619767841
• 121868541944721 cubed (121868541944721³) is 1809984457570555450414397629782553675517361
• The square root of 121868541944721 is 11039408.5867278689
• The cube root of 121868541944721 is 49578.9363204957

Scales and comparisons

• 121,868,541,944,721 seconds is equal to 3,875,042 years, 34 weeks, 5 days, 18 hours, 25 minutes, 21 seconds.
• To count from 1 to 121,868,541,944,721 would take you about nine million, six hundred eighty-seven thousand, six hundred 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 121868541944721 cubic inches would be around 4131.6 feet tall.

Recreational maths with 121868541944721

• 121868541944721 backwards is 127449145868121
• The number of decimal digits it has is: 15
• The sum of 121868541944721's digits is 63
• More coming soon!