18440309856

Names of 18440309856

• Cardinal: 18440309856 can be written as Eighteen billion, four hundred forty million, three hundred nine thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.8440309856 × 10¹⁰

Factors of 18440309856

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10109843

Divisors of 18440309856

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 10109819 20219638 30329457 40439276 60658914 80878552 121317828 161757104 192086561 242635656 323514208 384173122 485271312 576259683 768346244 970542624 1152519366 1536692488 2305038732 3073384976 4610077464 6146769952 9220154928 18440309856
• Sum of all divisors σ(n): 50953492800
• Sum of proper divisors (its aliquot sum) s(n): 32513182944
• 18440309856 is an abundant number, because the sum of its proper divisors (32513182944) is greater than itself. Its abundance is 14072873088

Bases of 18440309856

• Binary: 10001001011001000001100110001100000₂
• Hexadecimal: 0x44B20CC60
• Base-36: 8GYVU5C

Squares and roots of 18440309856

• 18440309856 squared (18440309856²) is 340045027585290740736
• 18440309856 cubed (18440309856³) is 6270535673664828727019601494016
• The square root of 18440309856 is 135795.1024742793
• The cube root of 18440309856 is 2641.9387090917

Scales and comparisons

• 18,440,309,856 seconds is equal to 586 years, 17 weeks, 6 days, 12 hours, 17 minutes, 36 seconds.
• To count from 1 to 18,440,309,856 would take you about one thousand, one hundred seventy-two 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 18440309856 cubic inches would be around 220.2 feet tall.

Recreational maths with 18440309856

• 18440309856 backwards is 65890304481
• 18440309856 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18440309856's digits is 48
• More coming soon!