12121265625

Names of 12121265625

• Cardinal: 12121265625 can be written as Twelve billion, one hundred twenty-one million, two hundred sixty-five thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.2121265625 × 10¹⁰

Factors of 12121265625

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 126

Divisors of 12121265625

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 5 7 15 17 21 25 35 41 51 53 75 85 105 119 123 125 159 175 205 255 265 287 357 371 375 425 525 595 615 625 697 795 861 875 901 1025 1113 1275 1325 1435 1785 1855 1875 2091 2125 2173 2625 2703 2975 3075 3125 3485 3975 4305 4375 4505 4879 5125 5565 6307 6375 6519 6625 7175 8925 9275 9375 10455 10625 10865 13125 13515 14637 14875 15211 15375 15625 17425 18921 19875 21525 21875 22525 24395 25625 27825 31535 31875 32595 33125 35875 36941 44625 45633 46375 46875 52275 53125 54325 65625 67575 73185 74375 76055 76875 87125 94605 99375 107625 109375 110823 112625 121975 128125 139125 157675 159375 162975 165625 179375 184705 223125 228165 231875 258587 261375 265625 271625 328125 337875 365925 371875 380275 384375 435625 473025 496875 538125 554115 563125 609875 640625 695625 775761 788375 796875 814875 828125 896875 923525 1115625 1140825 1159375 1292935 1306875 1358125 1689375 1829625 1859375 1901375 1921875 2178125 2365125 2484375 2690625 2770575 2815625 3049375 3478125 3878805 3941875 4074375 4484375 4617625 5578125 5704125 5796875 6464675 6534375 6790625 8446875 9148125 9506875 10890625 11825625 13453125 13852875 14078125 15246875 17390625 19394025 19709375 20371875 23088125 28520625 32323375 32671875 33953125 42234375 45740625 47534375 59128125 69264375 76234375 96970125 98546875 101859375 115440625 142603125 161616875 228703125 237671875 295640625 346321875 484850625 577203125 713015625 808084375 1731609375 2424253125 4040421875 12121265625
• Sum of all divisors σ(n): 25514673408
• Sum of proper divisors (its aliquot sum) s(n): 13393407783
• 12121265625 is an abundant number, because the sum of its proper divisors (13393407783) is greater than itself. Its abundance is 1272142158

Bases of 12121265625

• Binary: 1011010010011110111101010111011001₂
• Hexadecimal: 0x2D27BD5D9
• Base-36: 5KGOSEX

Squares and roots of 12121265625

• 12121265625 squared (12121265625²) is 146925080351806640625
• 12121265625 cubed (12121265625³) is 1780917925918716739654541015625
• The square root of 12121265625 is 110096.6194985113
• The cube root of 12121265625 is 2297.1145684681

Scales and comparisons

• 12,121,265,625 seconds is equal to 385 years, 21 weeks, 5 days, 10 hours, 13 minutes, 45 seconds.
• To count from 1 to 12,121,265,625 would take you about seven hundred seventy 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 12121265625 cubic inches would be around 191.4 feet tall.

Recreational maths with 12121265625

• 12121265625 backwards is 52656212121
• The number of decimal digits it has is: 11
• The sum of 12121265625's digits is 33
• More coming soon!