42357842

Names of 42357842

• Cardinal: 42357842 can be written as Forty-two million, three hundred fifty-seven thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 4.2357842 × 10⁷

Factors of 42357842

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2825

Divisors of 42357842

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 31 62 271 542 2521 5042 8401 16802 78151 156302 683191 1366382 21178921 42357842
• Sum of all divisors σ(n): 65854464
• Sum of proper divisors (its aliquot sum) s(n): 23496622
• 42357842 is a deficient number, because the sum of its proper divisors (23496622) is less than itself. Its deficiency is 18861220

Bases of 42357842

• Binary: 10100001100101010001010010₂
• Hexadecimal: 0x2865452
• Base-36: P7VIQ

Squares and roots of 42357842

• 42357842 squared (42357842²) is 1794186778896964
• 42357842 cubed (42357842³) is 75997880099006535391688
• The square root of 42357842 is 6508.2902516713
• The cube root of 42357842 is 348.5870711137

Scales and comparisons

• 42,357,842 seconds is equal to 1 year, 18 weeks, 6 hours, 4 minutes, 2 seconds.
• To count from 1 to 42,357,842 would take you about two years!

  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 42357842 cubic inches would be around 29 feet tall.

Recreational maths with 42357842

• 42357842 backwards is 24875324
• The number of decimal digits it has is: 8
• The sum of 42357842's digits is 35
• More coming soon!