121209204025

Names of 121209204025

• Cardinal: 121209204025 can be written as One hundred twenty-one billion, two hundred nine million, two hundred four thousand and twenty-five.

Scientific notation

• Scientific notation: 1.21209204025 × 10¹¹

Factors of 121209204025

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1607

Divisors of 121209204025

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 7 13 25 29 35 49 65 91 145 169 175 203 245 325 377 455 637 725 845 1015 1183 1225 1421 1553 1885 2197 2275 2639 3185 4225 4901 5075 5915 7105 7765 8281 9425 10871 10985 13195 15379 15925 18473 20189 24505 29575 34307 35525 38825 41405 45037 54355 54925 63713 65975 76097 76895 92365 100945 107653 122525 141323 171535 207025 225185 240149 262457 271775 315259 318565 380485 384475 445991 461825 504725 538265 585481 706615 857675 989261 1125925 1200745 1312285 1576295 1592825 1837199 1902425 2206813 2229955 2691325 2927405 3121937 3411941 3533075 4098367 4946305 6003725 6561425 7611253 7881475 9185995 11034065 11149775 12860393 14637025 15609685 17059705 20491835 23883587 24731525 28688569 38056265 45929975 53278771 55170325 64301965 78048425 85298525 98946289 102459175 119417935 143442845 167185109 190281325 266393855 321509825 372951397 494731445 597089675 692624023 717214225 835925545 1331969275 1864756985 2473657225 3463120115 4179627725 4848368161 9323784925 17315600575 24241840805 121209204025
• Sum of all divisors σ(n): 196058545200
• Sum of proper divisors (its aliquot sum) s(n): 74849341175
• 121209204025 is a deficient number, because the sum of its proper divisors (74849341175) is less than itself. Its deficiency is 46359862850

Bases of 121209204025

• Binary: 1110000111000101000011010110100111001₂
• Hexadecimal: 0x1C38A1AD39
• Base-36: 1JOKTWE1

Squares and roots of 121209204025

• 121209204025 squared (121209204025²) is 14691671140374076200625
• 121209204025 cubed (121209204025³) is 1780765764721805817022452457515625
• The square root of 121209204025 is 348151.1223951461
• The cube root of 121209204025 is 4948.9363292859

Scales and comparisons

• 121,209,204,025 seconds is equal to 3,854 years, 4 weeks, 7 hours, 20 minutes, 25 seconds.
• To count from 1 to 121,209,204,025 would take you about seven thousand, seven hundred eight 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 121209204025 cubic inches would be around 412.4 feet tall.

Recreational maths with 121209204025

• 121209204025 backwards is 520402902121
• The number of decimal digits it has is: 12
• The sum of 121209204025's digits is 28
• More coming soon!