13188219930

Names of 13188219930

• Cardinal: 13188219930 can be written as Thirteen billion, one hundred eighty-eight million, two hundred nineteen thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.318821993 × 10¹⁰

Factors of 13188219930

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5427261

Divisors of 13188219930

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 5427251 10854502 16281753 27136255 32563506 48845259 54272510 81408765 97690518 146535777 162817530 244226295 293071554 439607331 488452590 732678885 879214662 1318821993 1465357770 2198036655 2637643986 4396073310 6594109965 13188219930
• Sum of all divisors σ(n): 35559355104
• Sum of proper divisors (its aliquot sum) s(n): 22371135174
• 13188219930 is an abundant number, because the sum of its proper divisors (22371135174) is greater than itself. Its abundance is 9182915244

Bases of 13188219930

• Binary: 1100010010000101000100010000011010₂
• Hexadecimal: 0x31214441A
• Base-36: 623XBMI

Squares and roots of 13188219930

• 13188219930 squared (13188219930²) is 173929144922049204900
• 13188219930 cubed (13188219930³) is 2293815815468827620502833657000
• The square root of 13188219930 is 114839.9753134769
• The cube root of 13188219930 is 2362.6282560757

Scales and comparisons

• 13,188,219,930 seconds is equal to 419 years, 17 weeks, 6 days, 10 hours, 25 minutes, 30 seconds.
• To count from 1 to 13,188,219,930 would take you about eight hundred thirty-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 13188219930 cubic inches would be around 196.9 feet tall.

Recreational maths with 13188219930

• 13188219930 backwards is 03991288131
• 13188219930 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13188219930's digits is 45
• More coming soon!