40742

Names of 40742

• Cardinal: 40742 can be written as Forty thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.0742 × 10⁴

Factors of 40742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1582

Divisors of 40742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 13 26 1567 3134 20371 40742
• Sum of all divisors σ(n): 65856
• Sum of proper divisors (its aliquot sum) s(n): 25114
• 40742 is a deficient number, because the sum of its proper divisors (25114) is less than itself. Its deficiency is 15628

Bases of 40742

• Binary: 1001111100100110₂
• Hexadecimal: 0x9F26
• Base-36: VFQ

Squares and roots of 40742

• 40742 squared (40742²) is 1659910564
• 40742 cubed (40742³) is 67628076198488
• The square root of 40742 is 201.8464763131
• The cube root of 40742 is 34.4096916987

Scales and comparisons

• 40,742 seconds is equal to 11 hours, 19 minutes, 2 seconds.
• To count from 1 to 40,742 would take you about eleven 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 40742 cubic inches would be around 2.9 feet tall.

Recreational maths with 40742

• 40742 backwards is 24704
• The number of decimal digits it has is: 5
• The sum of 40742's digits is 17
• More coming soon!