1129

Names of 1129

• Cardinal: 1129 can be written as One thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 1.129 × 10³

Factors of 1129

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1129

Divisors of 1129

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1129
• Sum of all divisors σ(n): 1130
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1129 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1128

Bases of 1129

• Binary: 10001101001₂
• Hexadecimal: 0x469
• Base-36: VD

Squares and roots of 1129

• 1129 squared (1129²) is 1274641
• 1129 cubed (1129³) is 1439069689
• The square root of 1129 is 33.6005952329
• The cube root of 1129 is 10.4127309577

Scales and comparisons

• 1,129 seconds is equal to 18 minutes, 49 seconds.
• To count from 1 to 1,129 would take you about eighteen 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 1129 cubic inches would be around 0.9 feet tall.

Recreational maths with 1129

• 1129 backwards is 9211
• The number of decimal digits it has is: 4
• The sum of 1129's digits is 13
• More coming soon!