42472838

Names of 42472838

• Cardinal: 42472838 can be written as Forty-two million, four hundred seventy-two thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 4.2472838 × 10⁷

Factors of 42472838

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 21236421

Divisors of 42472838

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 21236419 42472838
• Sum of all divisors σ(n): 63709260
• Sum of proper divisors (its aliquot sum) s(n): 21236422
• 42472838 is a deficient number, because the sum of its proper divisors (21236422) is less than itself. Its deficiency is 21236416

Bases of 42472838

• Binary: 10100010000001010110000110₂
• Hexadecimal: 0x2881586
• Base-36: PAC92

Squares and roots of 42472838

• 42472838 squared (42472838²) is 1803941967774244
• 42472838 cubed (42472838³) is 76618534958676685984472
• The square root of 42472838 is 6517.1188419425
• The cube root of 42472838 is 348.9022421685

Scales and comparisons

• 42,472,838 seconds is equal to 1 year, 18 weeks, 1 day, 14 hours, 38 seconds.
• To count from 1 to 42,472,838 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 42472838 cubic inches would be around 29.1 feet tall.

Recreational maths with 42472838

• 42472838 backwards is 83827424
• The number of decimal digits it has is: 8
• The sum of 42472838's digits is 38
• More coming soon!