42138834

Names of 42138834

• Cardinal: 42138834 can be written as Forty-two million, one hundred thirty-eight thousand, eight hundred thirty-four.

Scientific notation

• Scientific notation: 4.2138834 × 10⁷

Factors of 42138834

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7023144

Divisors of 42138834

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 7023139 14046278 21069417 42138834
• Sum of all divisors σ(n): 84277680
• Sum of proper divisors (its aliquot sum) s(n): 42138846
• 42138834 is an abundant number, because the sum of its proper divisors (42138846) is greater than itself. Its abundance is 12

Bases of 42138834

• Binary: 10100000101111110011010010₂
• Hexadecimal: 0x282FCD2
• Base-36: P36J6

Squares and roots of 42138834

• 42138834 squared (42138834²) is 1775681330879556
• 42138834 cubed (42138834³) is 74825140838832684277704
• The square root of 42138834 is 6491.4431369301
• The cube root of 42138834 is 347.9852517201

Scales and comparisons

• 42,138,834 seconds is equal to 1 year, 17 weeks, 4 days, 17 hours, 13 minutes, 54 seconds.
• To count from 1 to 42,138,834 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 42138834 cubic inches would be around 29 feet tall.

Recreational maths with 42138834

• 42138834 backwards is 43883124
• The number of decimal digits it has is: 8
• The sum of 42138834's digits is 33
• More coming soon!