9000040018

Names of 9000040018

• Cardinal: 9000040018 can be written as Nine billion, forty thousand and eighteen.

Scientific notation

• Scientific notation: 9.000040018 × 10⁹

Factors of 9000040018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 24862172

Divisors of 9000040018

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 181 362 24861989 49723978 4500020009 9000040018
• Sum of all divisors σ(n): 13574646540
• Sum of proper divisors (its aliquot sum) s(n): 4574606522
• 9000040018 is a deficient number, because the sum of its proper divisors (4574606522) is less than itself. Its deficiency is 4425433496

Bases of 9000040018

• Binary: 1000011000011100011011011001010010₂
• Hexadecimal: 0x21871B652
• Base-36: 44UE3BM

Squares and roots of 9000040018

• 9000040018 squared (9000040018²) is 81000720325601440324
• 9000040018 cubed (9000040018³) is 729009724417238952834438885832
• The square root of 9000040018 is 94868.5407181961
• The cube root of 9000040018 is 2080.0869060399

Scales and comparisons

• 9,000,040,018 seconds is equal to 286 years, 9 weeks, 3 hours, 6 minutes, 58 seconds.
• To count from 1 to 9,000,040,018 would take you about five 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 9000040018 cubic inches would be around 173.3 feet tall.

Recreational maths with 9000040018

• 9000040018 backwards is 8100400009
• The number of decimal digits it has is: 10
• The sum of 9000040018's digits is 22
• More coming soon!