42898731

Names of 42898731

• Cardinal: 42898731 can be written as Forty-two million, eight hundred ninety-eight thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 4.2898731 × 10⁷

Factors of 42898731

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 41325

Divisors of 42898731

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 349 1047 40973 122919 14299577 42898731
• Sum of all divisors σ(n): 57363600
• Sum of proper divisors (its aliquot sum) s(n): 14464869
• 42898731 is a deficient number, because the sum of its proper divisors (14464869) is less than itself. Its deficiency is 28433862

Bases of 42898731

• Binary: 10100011101001010100101011₂
• Hexadecimal: 0x28E952B
• Base-36: PJGVF

Squares and roots of 42898731

• 42898731 squared (42898731²) is 1840301121410361
• 42898731 cubed (42898731³) is 78946582766381417151891
• The square root of 42898731 is 6549.7122837573
• The cube root of 42898731 is 350.0645622395

Scales and comparisons

• 42,898,731 seconds is equal to 1 year, 18 weeks, 6 days, 12 hours, 18 minutes, 51 seconds.
• To count from 1 to 42,898,731 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 42898731 cubic inches would be around 29.2 feet tall.

Recreational maths with 42898731

• 42898731 backwards is 13789824
• The number of decimal digits it has is: 8
• The sum of 42898731's digits is 42
• More coming soon!