1969

Names of 1969

• Cardinal: 1969 can be written as One thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 1.969 × 10³

Factors of 1969

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 190

Divisors of 1969

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 179 1969
• Sum of all divisors σ(n): 2160
• Sum of proper divisors (its aliquot sum) s(n): 191
• 1969 is a deficient number, because the sum of its proper divisors (191) is less than itself. Its deficiency is 1778

Bases of 1969

• Binary: 11110110001₂
• Hexadecimal: 0x7B1
• Base-36: 1IP

Squares and roots of 1969

• 1969 squared (1969²) is 3876961
• 1969 cubed (1969³) is 7633736209
• The square root of 1969 is 44.3734154647
• The cube root of 1969 is 12.5337753227

Scales and comparisons

• 1,969 seconds is equal to 32 minutes, 49 seconds.
• To count from 1 to 1,969 would take you about thirty-two 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 1969 cubic inches would be around 1 feet tall.

Recreational maths with 1969

• 1969 backwards is 9691
• The number of decimal digits it has is: 4
• The sum of 1969's digits is 25
• More coming soon!