121072401905

Names of 121072401905

• Cardinal: 121072401905 can be written as One hundred twenty-one billion, seventy-two million, four hundred one thousand, nine hundred five.

Scientific notation

• Scientific notation: 1.21072401905 × 10¹¹

Factors of 121072401905

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 367

Divisors of 121072401905

• Number of divisors d(n): 108
• Complete list of divisors:
  1 5 7 13 35 49 65 91 113 169 229 245 455 565 637 791 845 1145 1183 1469 1603 2977 3185 3955 5537 5915 7345 8015 8281 10283 11221 12769 14885 19097 20839 25877 27685 38701 41405 51415 56105 63845 71981 89383 95485 104195 129385 133679 145873 165997 181139 193505 270907 336401 359905 446915 625681 668395 729365 829985 905695 935753 1161979 1267973 1354535 1682005 1896349 2157961 2354807 2924101 3128405 4373213 4678765 5809895 6339865 8133853 9481745 10789805 11774035 14620505 15105727 16483649 20468707 21866065 30612491 38013313 40669265 75528635 82418245 102343535 105740089 143280949 153062455 190066565 214287437 266093191 494173069 528700445 716404745 1071437185 1330465955 1862652337 2470865345 3459211483 9313261685 17296057415 24214480381 121072401905
• Sum of all divisors σ(n): 185447950740
• Sum of proper divisors (its aliquot sum) s(n): 64375548835
• 121072401905 is a deficient number, because the sum of its proper divisors (64375548835) is less than itself. Its deficiency is 56696853070

Bases of 121072401905

• Binary: 1110000110000011110100011110111110001₂
• Hexadecimal: 0x1C307A3DF1
• Base-36: 1JMBDR75

Squares and roots of 121072401905

• 121072401905 squared (121072401905²) is 14658526503045847629025
• 121072401905 cubed (121072401905³) is 1774743012111861070782706143292625
• The square root of 121072401905 is 347954.5974764523
• The cube root of 121072401905 is 4947.0737648771

Scales and comparisons

• 121,072,401,905 seconds is equal to 3,849 years, 37 weeks, 5 days, 22 hours, 45 minutes, 5 seconds.
• To count from 1 to 121,072,401,905 would take you about seven thousand, six hundred ninety-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 121072401905 cubic inches would be around 412.3 feet tall.

Recreational maths with 121072401905

• 121072401905 backwards is 509104270121
• The number of decimal digits it has is: 12
• The sum of 121072401905's digits is 32
• More coming soon!