12721133891584

Names of 12721133891584

• Cardinal: 12721133891584 can be written as Twelve trillion, seven hundred twenty-one billion, one hundred thirty-three million, eight hundred ninety-one thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 1.2721133891584 × 10¹³

Factors of 12721133891584

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1461

Divisors of 12721133891584

• Number of divisors d(n): 39
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 1459 2048 2918 4096 5836 11672 23344 46688 93376 186752 373504 747008 1494016 2128681 2988032 4257362 5976064 8514724 17029448 34058896 68117792 136235584 272471168 544942336 1089884672 2179769344 4359538688 8719077376
• Sum of all divisors σ(n): 12729862799139
• Sum of proper divisors (its aliquot sum) s(n): 8728907555
• 12721133891584 is a deficient number, because the sum of its proper divisors (8728907555) is less than itself. Its deficiency is 12712404984029

Bases of 12721133891584

• Binary: 10111001000111011110101010101011000000000000₂
• Hexadecimal: 0xB91DEAAB000
• Base-36: 4IC0AO35S

Squares and roots of 12721133891584

• 12721133891584 squared (12721133891584²) is 161827247487607084266029056
• 12721133891584 cubed (12721133891584³) is 2058626082596350194681037621483697864704
• The square root of 12721133891584 is 3566669.8601894737
• 12721133891584 is a perfect cube number. Its cube root is 23344

Scales and comparisons

• 12,721,133,891,584 seconds is equal to 404,492 years, 36 weeks, 5 days, 23 hours, 13 minutes, 4 seconds.
• To count from 1 to 12,721,133,891,584 would take you about one million, eleven thousand, two hundred thirty-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 12721133891584 cubic inches would be around 1945.3 feet tall.

Recreational maths with 12721133891584

• 12721133891584 backwards is 48519833112721
• The number of decimal digits it has is: 14
• The sum of 12721133891584's digits is 55
• More coming soon!