18117137

Names of 18117137

• Cardinal: 18117137 can be written as Eighteen million, one hundred seventeen thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 1.8117137 × 10⁷

Factors of 18117137

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 385518

Divisors of 18117137

• Number of divisors d(n): 4
• Complete list of divisors:
  1 47 385471 18117137
• Sum of all divisors σ(n): 18502656
• Sum of proper divisors (its aliquot sum) s(n): 385519
• 18117137 is a deficient number, because the sum of its proper divisors (385519) is less than itself. Its deficiency is 17731618

Bases of 18117137

• Binary: 1000101000111001000010001₂
• Hexadecimal: 0x1147211
• Base-36: ASB9T

Squares and roots of 18117137

• 18117137 squared (18117137²) is 328230653076769
• 18117137 cubed (18117137³) is 5946599709391295490353
• The square root of 18117137 is 4256.4230287883
• The cube root of 18117137 is 262.6414028785

Scales and comparisons

• 18,117,137 seconds is equal to 29 weeks, 6 days, 16 hours, 32 minutes, 17 seconds.
• To count from 1 to 18,117,137 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 18117137 cubic inches would be around 21.9 feet tall.

Recreational maths with 18117137

• 18117137 backwards is 73171181
• The number of decimal digits it has is: 8
• The sum of 18117137's digits is 29
• More coming soon!