121561555418172

Names of 121561555418172

• Cardinal: 121561555418172 can be written as One hundred twenty-one trillion, five hundred sixty-one billion, five hundred fifty-five million, four hundred eighteen thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.21561555418172 × 10¹⁴

Factors of 121561555418172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 19693013

Divisors of 121561555418172

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 172987 345974 518961 691948 1037922 1556883 2075844 3113766 6227532 19520021 39040042 58560063 78080084 117120126 175680189 234240252 351360378 702720756 3376709872727 6753419745454 10130129618181 13506839490908 20260259236362 30390388854543 40520518472724 60780777709086 121561555418172
• Sum of all divisors σ(n): 307282390481976
• Sum of proper divisors (its aliquot sum) s(n): 185720835063804
• 121561555418172 is an abundant number, because the sum of its proper divisors (185720835063804) is greater than itself. Its abundance is 64159279645632

Bases of 121561555418172

• Binary: 11011101000111101000001010101000011110000111100₂
• Hexadecimal: 0x6E8F41543C3C
• Base-36: 1738LVGWN0

Squares and roots of 121561555418172

• 121561555418172 squared (121561555418172²) is 14777211755685302329787821584
• 121561555418172 cubed (121561555418172³) is 1796340845764801636152564657665636047424448
• The square root of 121561555418172 is 11025495.6994310237
• The cube root of 121561555418172 is 49537.2715810683

Scales and comparisons

• 121,561,555,418,172 seconds is equal to 3,865,281 years, 23 weeks, 1 day, 23 hours, 16 minutes, 12 seconds.
• To count from 1 to 121,561,555,418,172 would take you about nine million, six hundred sixty-three thousand, two hundred three 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 121561555418172 cubic inches would be around 4128.1 feet tall.

Recreational maths with 121561555418172

• 121561555418172 backwards is 271814555165121
• The number of decimal digits it has is: 15
• The sum of 121561555418172's digits is 54
• More coming soon!