12481431864

Names of 12481431864

• Cardinal: 12481431864 can be written as Twelve billion, four hundred eighty-one million, four hundred thirty-one thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.2481431864 × 10¹⁰

Factors of 12481431864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13768

Divisors of 12481431864

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 6841 6911 13682 13822 20523 20733 27364 27644 41046 41466 54728 55288 75251 76021 82092 82932 150502 152042 164184 165864 225753 228063 301004 304084 451506 456126 602008 608168 903012 912252 1806024 1824504 47278151 94556302 141834453 189112604 283668906 378225208 520059661 567337812 1040119322 1134675624 1560178983 2080238644 3120357966 4160477288 6240715932 12481431864
• Sum of all divisors σ(n): 34050170880
• Sum of proper divisors (its aliquot sum) s(n): 21568739016
• 12481431864 is an abundant number, because the sum of its proper divisors (21568739016) is greater than itself. Its abundance is 9087307152

Bases of 12481431864

• Binary: 1011100111111100111000100100111000₂
• Hexadecimal: 0x2E7F38938
• Base-36: 5QF4EGO

Squares and roots of 12481431864

• 12481431864 squared (12481431864²) is 155786141375674514496
• 12481431864 cubed (12481431864³) is 1944434108935952679723104300544
• The square root of 12481431864 is 111720.3287857675
• The cube root of 12481431864 is 2319.6447053021

Scales and comparisons

• 12,481,431,864 seconds is equal to 396 years, 45 weeks, 2 days, 24 minutes, 24 seconds.
• To count from 1 to 12,481,431,864 would take you about seven hundred ninety-three 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 12481431864 cubic inches would be around 193.3 feet tall.

Recreational maths with 12481431864

• 12481431864 backwards is 46813418421
• The number of decimal digits it has is: 11
• The sum of 12481431864's digits is 42
• More coming soon!