15994209424

Names of 15994209424

• Cardinal: 15994209424 can be written as Fifteen billion, nine hundred ninety-four million, two hundred nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.5994209424 × 10¹⁰

Factors of 15994209424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 121961

Divisors of 15994209424

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 19 38 76 152 304 433 866 1732 3464 6928 8227 16454 32908 65816 121507 131632 243014 486028 972056 1944112 2308633 4617266 9234532 18469064 36938128 52612531 105225062 210450124 420900248 841800496 999638089 1999276178 3998552356 7997104712 15994209424
• Sum of all divisors σ(n): 32695372640
• Sum of proper divisors (its aliquot sum) s(n): 16701163216
• 15994209424 is an abundant number, because the sum of its proper divisors (16701163216) is greater than itself. Its abundance is 706953792

Bases of 15994209424

• Binary: 1110111001010101000100010010010000₂
• Hexadecimal: 0x3B9544490
• Base-36: 7CIJEZ4

Squares and roots of 15994209424

• 15994209424 squared (15994209424²) is 255814735098770411776
• 15994209424 cubed (15994209424³) is 4091554446914817290840059777024
• The square root of 15994209424 is 126468.2150739861
• The cube root of 15994209424 is 2519.5380769189

Scales and comparisons

• 15,994,209,424 seconds is equal to 508 years, 29 weeks, 3 days, 3 hours, 57 minutes, 4 seconds.
• To count from 1 to 15,994,209,424 would take you about one thousand and seventeen 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 15994209424 cubic inches would be around 210 feet tall.

Recreational maths with 15994209424

• 15994209424 backwards is 42490249951
• The number of decimal digits it has is: 11
• The sum of 15994209424's digits is 49
• More coming soon!