18683017728

Names of 18683017728

• Cardinal: 18683017728 can be written as Eighteen billion, six hundred eighty-three million, seventeen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8683017728 × 10¹⁰

Factors of 18683017728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12163428

Divisors of 18683017728

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 12163423 24326846 36490269 48653692 72980538 97307384 145961076 194614768 291922152 389229536 583844304 778459072 1167688608 1556918144 2335377216 3113836288 4670754432 6227672576 9341508864 18683017728
• Sum of all divisors σ(n): 49772731008
• Sum of proper divisors (its aliquot sum) s(n): 31089713280
• 18683017728 is an abundant number, because the sum of its proper divisors (31089713280) is greater than itself. Its abundance is 12406695552

Bases of 18683017728

• Binary: 10001011001100110000011101000000000₂
• Hexadecimal: 0x459983A00
• Base-36: 8KZDWQO

Squares and roots of 18683017728

• 18683017728 squared (18683017728²) is 349055151424762281984
• 18683017728 cubed (18683017728³) is 6521403582118558172492807012352
• The square root of 18683017728 is 136685.8358719001
• The cube root of 18683017728 is 2653.4791245589

Scales and comparisons

• 18,683,017,728 seconds is equal to 594 years, 3 weeks, 1 day, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 18,683,017,728 would take you about one thousand, one hundred eighty-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 18683017728 cubic inches would be around 221.1 feet tall.

Recreational maths with 18683017728

• 18683017728 backwards is 82771038681
• The number of decimal digits it has is: 11
• The sum of 18683017728's digits is 51
• More coming soon!