42189137

Names of 42189137

• Cardinal: 42189137 can be written as Forty-two million, one hundred eighty-nine thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 4.2189137 × 10⁷

Factors of 42189137

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 394398

Divisors of 42189137

• Number of divisors d(n): 4
• Complete list of divisors:
  1 107 394291 42189137
• Sum of all divisors σ(n): 42583536
• Sum of proper divisors (its aliquot sum) s(n): 394399
• 42189137 is a deficient number, because the sum of its proper divisors (394399) is less than itself. Its deficiency is 41794738

Bases of 42189137

• Binary: 10100000111100000101010001₂
• Hexadecimal: 0x283C151
• Base-36: P49CH

Squares and roots of 42189137

• 42189137 squared (42189137²) is 1779923280804769
• 42189137 cubed (42189137³) is 75093427143361869594353
• The square root of 42189137 is 6495.3165434797
• The cube root of 42189137 is 348.1236651477

Scales and comparisons

• 42,189,137 seconds is equal to 1 year, 17 weeks, 5 days, 7 hours, 12 minutes, 17 seconds.
• To count from 1 to 42,189,137 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 42189137 cubic inches would be around 29 feet tall.

Recreational maths with 42189137

• 42189137 backwards is 73198124
• The number of decimal digits it has is: 8
• The sum of 42189137's digits is 35
• More coming soon!