18142807

Names of 18142807

• Cardinal: 18142807 can be written as Eighteen million, one hundred forty-two thousand, eight hundred seven.

Scientific notation

• Scientific notation: 1.8142807 × 10⁷

Factors of 18142807

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 58648

Divisors of 18142807

• Number of divisors d(n): 4
• Complete list of divisors:
  1 311 58337 18142807
• Sum of all divisors σ(n): 18201456
• Sum of proper divisors (its aliquot sum) s(n): 58649
• 18142807 is a deficient number, because the sum of its proper divisors (58649) is less than itself. Its deficiency is 18084158

Bases of 18142807

• Binary: 1000101001101011001010111₂
• Hexadecimal: 0x114D657
• Base-36: ASV2V

Squares and roots of 18142807

• 18142807 squared (18142807²) is 329161445839249
• 18142807 cubed (18142807³) is 5971912583702447631943
• The square root of 18142807 is 4259.4374041651
• The cube root of 18142807 is 262.7653890449

Scales and comparisons

• 18,142,807 seconds is equal to 29 weeks, 6 days, 23 hours, 40 minutes, 7 seconds.
• To count from 1 to 18,142,807 would take you about forty-four weeks!

  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 18142807 cubic inches would be around 21.9 feet tall.

Recreational maths with 18142807

• 18142807 backwards is 70824181
• The number of decimal digits it has is: 8
• The sum of 18142807's digits is 31
• More coming soon!