42938

Names of 42938

• Cardinal: 42938 can be written as Forty-two thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 4.2938 × 10⁴

Factors of 42938

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3076

Divisors of 42938

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 3067 6134 21469 42938
• Sum of all divisors σ(n): 73632
• Sum of proper divisors (its aliquot sum) s(n): 30694
• 42938 is a deficient number, because the sum of its proper divisors (30694) is less than itself. Its deficiency is 12244

Bases of 42938

• Binary: 1010011110111010₂
• Hexadecimal: 0xA7BA
• Base-36: X4Q

Squares and roots of 42938

• 42938 squared (42938²) is 1843671844
• 42938 cubed (42938³) is 79163581637672
• The square root of 42938 is 207.2148643317
• The cube root of 42938 is 35.0171344675

Scales and comparisons

• 42,938 seconds is equal to 11 hours, 55 minutes, 38 seconds.
• To count from 1 to 42,938 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 42938 cubic inches would be around 2.9 feet tall.

Recreational maths with 42938

• 42938 backwards is 83924
• The number of decimal digits it has is: 5
• The sum of 42938's digits is 26
• More coming soon!