51138

Names of 51138

• Cardinal: 51138 can be written as Fifty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 5.1138 × 10⁴

Factors of 51138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 952

Divisors of 51138

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 9 18 27 54 947 1894 2841 5682 8523 17046 25569 51138
• Sum of all divisors σ(n): 113760
• Sum of proper divisors (its aliquot sum) s(n): 62622
• 51138 is an abundant number, because the sum of its proper divisors (62622) is greater than itself. Its abundance is 11484

Bases of 51138

• Binary: 1100011111000010₂
• Hexadecimal: 0xC7C2
• Base-36: 13GI

Squares and roots of 51138

• 51138 squared (51138²) is 2615095044
• 51138 cubed (51138³) is 133730730360072
• The square root of 51138 is 226.1371265405
• The cube root of 51138 is 37.1177161509

Scales and comparisons

• 51,138 seconds is equal to 14 hours, 12 minutes, 18 seconds.
• To count from 1 to 51,138 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 51138 cubic inches would be around 3.1 feet tall.

Recreational maths with 51138

• 51138 backwards is 83115
• 51138 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 51138's digits is 18
• More coming soon!