42872369

Names of 42872369

• Cardinal: 42872369 can be written as Forty-two million, eight hundred seventy-two thousand, three hundred sixty-nine.

Scientific notation

• Scientific notation: 4.2872369 × 10⁷

Factors of 42872369

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 313074

Divisors of 42872369

• Number of divisors d(n): 4
• Complete list of divisors:
  1 137 312937 42872369
• Sum of all divisors σ(n): 43185444
• Sum of proper divisors (its aliquot sum) s(n): 313075
• 42872369 is a deficient number, because the sum of its proper divisors (313075) is less than itself. Its deficiency is 42559294

Bases of 42872369

• Binary: 10100011100010111000110001₂
• Hexadecimal: 0x28E2E31
• Base-36: PIWJ5

Squares and roots of 42872369

• 42872369 squared (42872369²) is 1838040023672161
• 42872369 cubed (42872369³) is 78801130131641621419409
• The square root of 42872369 is 6547.6995196785
• The cube root of 42872369 is 349.9928406697

Scales and comparisons

• 42,872,369 seconds is equal to 1 year, 18 weeks, 6 days, 4 hours, 59 minutes, 29 seconds.
• To count from 1 to 42,872,369 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 42872369 cubic inches would be around 29.2 feet tall.

Recreational maths with 42872369

• 42872369 backwards is 96327824
• The number of decimal digits it has is: 8
• The sum of 42872369's digits is 41
• More coming soon!