13028876385

Names of 13028876385

• Cardinal: 13028876385 can be written as Thirteen billion, twenty-eight million, eight hundred seventy-six thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.3028876385 × 10¹⁰

Factors of 13028876385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4002773

Divisors of 13028876385

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 15 21 31 35 93 105 155 217 465 651 1085 3255 4002727 12008181 20013635 28019089 60040905 84057267 124084537 140095445 372253611 420286335 620422685 868591759 1861268055 2605775277 4342958795 13028876385
• Sum of all divisors σ(n): 24592760832
• Sum of proper divisors (its aliquot sum) s(n): 11563884447
• 13028876385 is a deficient number, because the sum of its proper divisors (11563884447) is less than itself. Its deficiency is 1464991938

Bases of 13028876385

• Binary: 1100001000100101001110000001100001₂
• Hexadecimal: 0x30894E061
• Base-36: 5ZH21CX

Squares and roots of 13028876385

• 13028876385 squared (13028876385²) is 169751619855610668225
• 13028876385 cubed (13028876385³) is 2211672871252262944990772366625
• The square root of 13028876385 is 114144.1035927831
• The cube root of 13028876385 is 2353.0743757867

Scales and comparisons

• 13,028,876,385 seconds is equal to 414 years, 14 weeks, 3 days, 4 hours, 19 minutes, 45 seconds.
• To count from 1 to 13,028,876,385 would take you about eight hundred twenty-eight 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 13028876385 cubic inches would be around 196.1 feet tall.

Recreational maths with 13028876385

• 13028876385 backwards is 58367882031
• The number of decimal digits it has is: 11
• The sum of 13028876385's digits is 51
• More coming soon!