42987387

Names of 42987387

• Cardinal: 42987387 can be written as Forty-two million, nine hundred eighty-seven thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 4.2987387 × 10⁷

Factors of 42987387

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 80233

Divisors of 42987387

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 179 537 80051 240153 14329129 42987387
• Sum of all divisors σ(n): 57637440
• Sum of proper divisors (its aliquot sum) s(n): 14650053
• 42987387 is a deficient number, because the sum of its proper divisors (14650053) is less than itself. Its deficiency is 28337334

Bases of 42987387

• Binary: 10100011111110111101111011₂
• Hexadecimal: 0x28FEF7B
• Base-36: PLDA3

Squares and roots of 42987387

• 42987387 squared (42987387²) is 1847915441087769
• 42987387 cubed (42987387³) is 79437056209315626969603
• The square root of 42987387 is 6556.4767215325
• The cube root of 42987387 is 350.3055481463

Scales and comparisons

• 42,987,387 seconds is equal to 1 year, 19 weeks, 12 hours, 56 minutes, 27 seconds.
• To count from 1 to 42,987,387 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 42987387 cubic inches would be around 29.2 feet tall.

Recreational maths with 42987387

• 42987387 backwards is 78378924
• The number of decimal digits it has is: 8
• The sum of 42987387's digits is 48
• More coming soon!