18139084

Names of 18139084

• Cardinal: 18139084 can be written as Eighteen million, one hundred thirty-nine thousand and eighty-four.

Scientific notation

• Scientific notation: 1.8139084 × 10⁷

Factors of 18139084

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4534773

Divisors of 18139084

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 4534771 9069542 18139084
• Sum of all divisors σ(n): 31743404
• Sum of proper divisors (its aliquot sum) s(n): 13604320
• 18139084 is a deficient number, because the sum of its proper divisors (13604320) is less than itself. Its deficiency is 4534764

Bases of 18139084

• Binary: 1000101001100011111001100₂
• Hexadecimal: 0x114C7CC
• Base-36: ASS7G

Squares and roots of 18139084

• 18139084 squared (18139084²) is 329026368359056
• 18139084 cubed (18139084³) is 5968236933879858944704
• The square root of 18139084 is 4259.0003521953
• The cube root of 18139084 is 262.7474141993

Scales and comparisons

• 18,139,084 seconds is equal to 29 weeks, 6 days, 22 hours, 38 minutes, 4 seconds.
• To count from 1 to 18,139,084 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 18139084 cubic inches would be around 21.9 feet tall.

Recreational maths with 18139084

• 18139084 backwards is 48093181
• The number of decimal digits it has is: 8
• The sum of 18139084's digits is 34
• More coming soon!