42249887

Names of 42249887

• Cardinal: 42249887 can be written as Forty-two million, two hundred forty-nine thousand, eight hundred eighty-seven.

Scientific notation

• Scientific notation: 4.2249887 × 10⁷

Factors of 42249887

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 244392

Divisors of 42249887

• Number of divisors d(n): 4
• Complete list of divisors:
  1 173 244219 42249887
• Sum of all divisors σ(n): 42494280
• Sum of proper divisors (its aliquot sum) s(n): 244393
• 42249887 is a deficient number, because the sum of its proper divisors (244393) is less than itself. Its deficiency is 42005494

Bases of 42249887

• Binary: 10100001001010111010011111₂
• Hexadecimal: 0x284AE9F
• Base-36: P5K7Z

Squares and roots of 42249887

• 42249887 squared (42249887²) is 1785052951512769
• 42249887 cubed (42249887³) is 75418285490430969307103
• The square root of 42249887 is 6499.9913076865
• The cube root of 42249887 is 348.2906778859

Scales and comparisons

• 42,249,887 seconds is equal to 1 year, 17 weeks, 6 days, 4 minutes, 47 seconds.
• To count from 1 to 42,249,887 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 42249887 cubic inches would be around 29 feet tall.

Recreational maths with 42249887

• 42249887 backwards is 78894224
• The number of decimal digits it has is: 8
• The sum of 42249887's digits is 44
• More coming soon!