121513815612

Names of 121513815612

• Cardinal: 121513815612 can be written as One hundred twenty-one billion, five hundred thirteen million, eight hundred fifteen thousand, six hundred twelve.

Scientific notation

• Scientific notation: 1.21513815612 × 10¹¹

Factors of 121513815612

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3149

Divisors of 121513815612

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 343 441 588 686 882 1029 1372 1764 2058 3087 3137 4116 6174 6274 9411 12348 12548 18822 21959 28233 37644 43918 56466 65877 87836 112932 131754 153713 197631 263508 307426 395262 461139 614852 790524 922278 1075991 1383417 1844556 2151982 2766834 3227973 4303964 5533668 6455946 9683919 9840769 12911892 19367838 19681538 29522307 38735676 39363076 59044614 68885383 88566921 118089228 137770766 177133842 206656149 275541532 354267684 413312298 482197681 619968447 826624596 964395362 1239936894 1446593043 1928790724 2479873788 2893186086 3375383767 4339779129 5786372172 6750767534 8679558258 10126151301 13501535068 17359116516 20252302602 30378453903 40504605204 60756907806 121513815612
• Sum of all divisors σ(n): 358318214800
• Sum of proper divisors (its aliquot sum) s(n): 236804399188
• 121513815612 is an abundant number, because the sum of its proper divisors (236804399188) is greater than itself. Its abundance is 115290583576

Bases of 121513815612

• Binary: 1110001001010110010011010111000111100₂
• Hexadecimal: 0x1C4AC9AE3C
• Base-36: 1JTM6S70

Squares and roots of 121513815612

• 121513815612 squared (121513815612²) is 14765607384587134934544
• 121513815612 cubed (121513815612³) is 1794225293129906685183543305300928
• The square root of 121513815612 is 348588.3182380041
• The cube root of 121513815612 is 4953.0785952217

Scales and comparisons

• 121,513,815,612 seconds is equal to 3,863 years, 39 weeks, 4 days, 21 hours, 40 minutes, 12 seconds.
• To count from 1 to 121,513,815,612 would take you about seven thousand, seven hundred twenty-seven 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 121513815612 cubic inches would be around 412.8 feet tall.

Recreational maths with 121513815612

• 121513815612 backwards is 216518315121
• 121513815612 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121513815612's digits is 36
• More coming soon!