2591

Names of 2591

• Cardinal: 2591 can be written as Two thousand, five hundred ninety-one.

Scientific notation

• Scientific notation: 2.591 × 10³

Factors of 2591

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2591

Divisors of 2591

• Number of divisors d(n): 2
• Complete list of divisors:
  1 2591
• Sum of all divisors σ(n): 2592
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2591 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2590

Bases of 2591

• Binary: 101000011111₂
• Hexadecimal: 0xA1F
• Base-36: 1ZZ

Squares and roots of 2591

• 2591 squared (2591²) is 6713281
• 2591 cubed (2591³) is 17394111071
• The square root of 2591 is 50.9018663705
• The cube root of 2591 is 13.7348041491

Scales and comparisons

• 2,591 seconds is equal to 43 minutes, 11 seconds.
• To count from 1 to 2,591 would take you about forty-three minutes.

  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 2591 cubic inches would be around 1.1 feet tall.

Recreational maths with 2591

• 2591 backwards is 1952
• 2591 is a twin prime! Its twin is 2593
• The number of decimal digits it has is: 4
• The sum of 2591's digits is 17
• More coming soon!