2129

Names of 2129

• Cardinal: 2129 can be written as Two thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 2.129 × 10³

Factors of 2129

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2129

Divisors of 2129

• Number of divisors d(n): 2
• Complete list of divisors:
  1 2129
• Sum of all divisors σ(n): 2130
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2129 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2128

Bases of 2129

• Binary: 100001010001₂
• Hexadecimal: 0x851
• Base-36: 1N5

Squares and roots of 2129

• 2129 squared (2129²) is 4532641
• 2129 cubed (2129³) is 9649992689
• The square root of 2129 is 46.1410879803
• The cube root of 2129 is 12.8644696629

Scales and comparisons

• 2,129 seconds is equal to 35 minutes, 29 seconds.
• To count from 1 to 2,129 would take you about thirty-five 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 2129 cubic inches would be around 1.1 feet tall.

Recreational maths with 2129

• 2129 backwards is 9212
• 2129 is a twin prime! Its twin is 2131
• The number of decimal digits it has is: 4
• The sum of 2129's digits is 14
• More coming soon!