121988418078125

Names of 121988418078125

• Cardinal: 121988418078125 can be written as One hundred twenty-one trillion, nine hundred eighty-eight billion, four hundred eighteen million, seventy-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.21988418078125 × 10¹⁴

Factors of 121988418078125

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 287

Divisors of 121988418078125

• Number of divisors d(n): 84
• Complete list of divisors:
  1 5 25 53 125 229 265 625 1145 1325 2809 3125 5725 6625 12137 14045 15625 28625 33125 52441 60685 70225 143125 148877 165625 262205 303425 351125 643261 715625 744385 828125 1311025 1517125 1755625 2779373 3216305 3578125 3721925 6555125 7585625 8778125 13896865 16081525 18609625 32775625 34092833 37928125 43890625 69484325 80407625 93048125 147306769 163878125 170464165 189640625 347421625 402038125 465240625 736533845 819390625 852320825 1737108125 2010190625 2326203125 3682669225 4261604125 7807258757 8685540625 10050953125 18413346125 21308020625 39036293785 43427703125 92066730625 106540103125 195181468925 460333653125 532700515625 975907344625 2301668265625 4879536723125 24397683615625 121988418078125
• Sum of all divisors σ(n): 156097563253740
• Sum of proper divisors (its aliquot sum) s(n): 34109145175615
• 121988418078125 is a deficient number, because the sum of its proper divisors (34109145175615) is less than itself. Its deficiency is 87879272902510

Bases of 121988418078125

• Binary: 11011101111001010100100010100111000010110101101₂
• Hexadecimal: 0x6EF2A45385AD
• Base-36: 178OPEH50T

Squares and roots of 121988418078125

• 121988418078125 squared (121988418078125²) is 14881174145203414318603515625
• 121988418078125 cubed (121988418078125³) is 1815330893118458531019007583972930908203125
• The square root of 121988418078125 is 11044836.7157747063
• The cube root of 121988418078125 is 49595.1871194639

Scales and comparisons

• 121,988,418,078,125 seconds is equal to 3,878,854 years, 18 weeks, 5 days, 22 minutes, 5 seconds.
• To count from 1 to 121,988,418,078,125 would take you about nine million, six hundred ninety-seven thousand, one hundred thirty-five 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 121988418078125 cubic inches would be around 4132.9 feet tall.

Recreational maths with 121988418078125

• 121988418078125 backwards is 521870814889121
• The number of decimal digits it has is: 15
• The sum of 121988418078125's digits is 65
• More coming soon!