42738

Names of 42738

• Cardinal: 42738 can be written as Forty-two thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 4.2738 × 10⁴

Factors of 42738

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 441

Divisors of 42738

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 17 34 51 102 419 838 1257 2514 7123 14246 21369 42738
• Sum of all divisors σ(n): 90720
• Sum of proper divisors (its aliquot sum) s(n): 47982
• 42738 is an abundant number, because the sum of its proper divisors (47982) is greater than itself. Its abundance is 5244

Bases of 42738

• Binary: 1010011011110010₂
• Hexadecimal: 0xA6F2
• Base-36: WZ6

Squares and roots of 42738

• 42738 squared (42738²) is 1826536644
• 42738 cubed (42738³) is 78062523091272
• The square root of 42738 is 206.7317101947
• The cube root of 42738 is 34.9626813115

Scales and comparisons

• 42,738 seconds is equal to 11 hours, 52 minutes, 18 seconds.
• To count from 1 to 42,738 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 42738 cubic inches would be around 2.9 feet tall.

Recreational maths with 42738

• 42738 backwards is 83724
• The number of decimal digits it has is: 5
• The sum of 42738's digits is 24
• More coming soon!