64742

Names of 64742

• Cardinal: 64742 can be written as Sixty-four thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 6.4742 × 10⁴

Factors of 64742

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 32373

Divisors of 64742

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 32371 64742
• Sum of all divisors σ(n): 97116
• Sum of proper divisors (its aliquot sum) s(n): 32374
• 64742 is a deficient number, because the sum of its proper divisors (32374) is less than itself. Its deficiency is 32368

Bases of 64742

• Binary: 1111110011100110₂
• Hexadecimal: 0xFCE6
• Base-36: 1DYE

Squares and roots of 64742

• 64742 squared (64742²) is 4191526564
• 64742 cubed (64742³) is 271367812806488
• The square root of 64742 is 254.4444929645
• The cube root of 64742 is 40.1539897515

Scales and comparisons

• 64,742 seconds is equal to 17 hours, 59 minutes, 2 seconds.
• To count from 1 to 64,742 would take you about seventeen 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 64742 cubic inches would be around 3.3 feet tall.

Recreational maths with 64742

• 64742 backwards is 24746
• The number of decimal digits it has is: 5
• The sum of 64742's digits is 23
• More coming soon!