51990

Names of 51990

• Cardinal: 51990 can be written as Fifty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 5.199 × 10⁴

Factors of 51990

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1743

Divisors of 51990

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 5 6 10 15 30 1733 3466 5199 8665 10398 17330 25995 51990
• Sum of all divisors σ(n): 124848
• Sum of proper divisors (its aliquot sum) s(n): 72858
• 51990 is an abundant number, because the sum of its proper divisors (72858) is greater than itself. Its abundance is 20868

Bases of 51990

• Binary: 1100101100010110₂
• Hexadecimal: 0xCB16
• Base-36: 1446

Squares and roots of 51990

• 51990 squared (51990²) is 2702960100
• 51990 cubed (51990³) is 140526895599000
• The square root of 51990 is 228.0131575151
• The cube root of 51990 is 37.3227187795

Scales and comparisons

• 51,990 seconds is equal to 14 hours, 26 minutes, 30 seconds.
• To count from 1 to 51,990 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 51990 cubic inches would be around 3.1 feet tall.

Recreational maths with 51990

• 51990 backwards is 09915
• The number of decimal digits it has is: 5
• The sum of 51990's digits is 24
• More coming soon!