51139

Names of 51139

• Cardinal: 51139 can be written as Fifty-one thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 5.1139 × 10⁴

Factors of 51139

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4660

Divisors of 51139

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 4649 51139
• Sum of all divisors σ(n): 55800
• Sum of proper divisors (its aliquot sum) s(n): 4661
• 51139 is a deficient number, because the sum of its proper divisors (4661) is less than itself. Its deficiency is 46478

Bases of 51139

• Binary: 1100011111000011₂
• Hexadecimal: 0xC7C3
• Base-36: 13GJ

Squares and roots of 51139

• 51139 squared (51139²) is 2615197321
• 51139 cubed (51139³) is 133738575798619
• The square root of 51139 is 226.1393375775
• The cube root of 51139 is 37.1179580941

Scales and comparisons

• 51,139 seconds is equal to 14 hours, 12 minutes, 19 seconds.
• To count from 1 to 51,139 would take you about fourteen 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 51139 cubic inches would be around 3.1 feet tall.

Recreational maths with 51139

• 51139 backwards is 93115
• The number of decimal digits it has is: 5
• The sum of 51139's digits is 19
• More coming soon!