121237981839

Names of 121237981839

• Cardinal: 121237981839 can be written as One hundred twenty-one billion, two hundred thirty-seven million, nine hundred eighty-one thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.21237981839 × 10¹¹

Factors of 121237981839

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3786

Divisors of 121237981839

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 39 61 67 71 117 183 201 213 549 603 639 793 871 923 2379 2613 2769 3571 4087 4331 4757 7137 7839 8307 10713 12261 12993 14271 32139 36783 38979 42813 46423 53131 56303 61841 139269 159393 168909 185523 217831 239257 253541 290177 417807 478179 506727 556569 653493 717771 760623 870531 1960479 2153313 2281869 2611593 2831803 3110341 3296033 3772301 8495409 9331023 9888099 11316903 14594677 15466001 16987247 25486227 27993069 29664297 33950709 43784031 46398003 50961741 131352093 139194009 152885223 189730801 201058013 220834211 569192403 603174039 662502633 1036222067 1707577209 1809522117 1987507899 3108666201 9325998603 13470886871 40412660613 121237981839
• Sum of all divisors σ(n): 197340369408
• Sum of proper divisors (its aliquot sum) s(n): 76102387569
• 121237981839 is a deficient number, because the sum of its proper divisors (76102387569) is less than itself. Its deficiency is 45135594270

Bases of 121237981839

• Binary: 1110000111010010110001100101010001111₂
• Hexadecimal: 0x1C3A58CA8F
• Base-36: 1JP1YPHR

Squares and roots of 121237981839

• 121237981839 squared (121237981839²) is 14698648240393693821921
• 121237981839 cubed (121237981839³) is 1782034448426699957792184698092719
• The square root of 121237981839 is 348192.4494284733
• The cube root of 121237981839 is 4949.3279615347

Scales and comparisons

• 121,237,981,839 seconds is equal to 3,854 years, 51 weeks, 4 days, 9 hours, 10 minutes, 39 seconds.
• To count from 1 to 121,237,981,839 would take you about seven thousand, seven hundred nine 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 121237981839 cubic inches would be around 412.4 feet tall.

Recreational maths with 121237981839

• 121237981839 backwards is 938189732121
• The number of decimal digits it has is: 12
• The sum of 121237981839's digits is 54
• More coming soon!