18401

Names of 18401

• Cardinal: 18401 can be written as Eighteen thousand, four hundred one.

Scientific notation

• Scientific notation: 1.8401 × 10⁴

Factors of 18401

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18401

Divisors of 18401

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18401
• Sum of all divisors σ(n): 18402
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18401 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18400

Bases of 18401

• Binary: 100011111100001₂
• Hexadecimal: 0x47E1
• Base-36: E75

Squares and roots of 18401

• 18401 squared (18401²) is 338596801
• 18401 cubed (18401³) is 6230519735201
• The square root of 18401 is 135.6502856617
• The cube root of 18401 is 26.4006006905

Scales and comparisons

• 18,401 seconds is equal to 5 hours, 6 minutes, 41 seconds.
• To count from 1 to 18,401 would take you about five hours.

  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 18401 cubic inches would be around 2.2 feet tall.

Recreational maths with 18401

• 18401 backwards is 10481
• The number of decimal digits it has is: 5
• The sum of 18401's digits is 14
• More coming soon!