1489

Names of 1489

• Cardinal: 1489 can be written as One thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 1.489 × 10³

Factors of 1489

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1489

Divisors of 1489

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1489
• Sum of all divisors σ(n): 1490
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1489 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1488

Bases of 1489

• Binary: 10111010001₂
• Hexadecimal: 0x5D1
• Base-36: 15D

Squares and roots of 1489

• 1489 squared (1489²) is 2217121
• 1489 cubed (1489³) is 3301293169
• The square root of 1489 is 38.5875627631
• The cube root of 1489 is 11.4190918415

Scales and comparisons

• 1,489 seconds is equal to 24 minutes, 49 seconds.
• To count from 1 to 1,489 would take you about twenty-four 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 1489 cubic inches would be around 1 feet tall.

Recreational maths with 1489

• 1489 backwards is 9841
• The number of decimal digits it has is: 4
• The sum of 1489's digits is 22
• More coming soon!