121209821083775464

Names of 121209821083775464

• Cardinal: 121209821083775464 can be written as One hundred twenty-one quadrillion, two hundred nine trillion, eight hundred twenty-one billion, eighty-three million, seven hundred seventy-five thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.21209821083775464 × 10¹⁷

Factors of 121209821083775464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 65434749

Divisors of 121209821083775464

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 421 842 1684 3368 554699 1109398 2218796 4437592 64879627 129759254 233528279 259518508 467056558 519037016 934113116 1868226232 27314322967 54628645934 109257291868 218514583736 35988664217273 71977328434546 143954656869092 287909313738184 15151227635471933 30302455270943866 60604910541887732 121209821083775464
• Sum of all divisors σ(n): 227808658694628000
• Sum of proper divisors (its aliquot sum) s(n): 106598837610852536
• 121209821083775464 is a deficient number, because the sum of its proper divisors (106598837610852536) is less than itself. Its deficiency is 14610983472922928

Bases of 121209821083775464

• Binary: 110101110100111111011000010101000111111001011000111101000₂
• Hexadecimal: 0x1AE9FB0A8FCB1E8
• Base-36: X5HAN3CFUUG

Squares and roots of 121209821083775464

• 121209821083775464 squared (121209821083775464²) is 14691820727160858998282216368415296
• 121209821083775464 cubed (121209821083775464³) is 1780792961734071655810745118718555961034402367097344
• The square root of 121209821083775464 is 348152008.5878802797
• The cube root of 121209821083775464 is 494894.4727381371

Scales and comparisons

• 121,209,821,083,775,464 seconds is equal to 3,854,097,383 years, 45 weeks, 1 day, 21 hours, 11 minutes, 4 seconds.
• To count from 1 to 121,209,821,083,775,464 would take you about eleven billion, five hundred sixty-two million, two hundred ninety-two thousand, one hundred fifty-one 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 121209821083775464 cubic inches would be around 41241.2 feet tall.

Recreational maths with 121209821083775464

• 121209821083775464 backwards is 464577380128902121
• The number of decimal digits it has is: 18
• The sum of 121209821083775464's digits is 70
• More coming soon!