42100538

Names of 42100538

• Cardinal: 42100538 can be written as Forty-two million, one hundred thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 4.2100538 × 10⁷

Factors of 42100538

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 21050271

Divisors of 42100538

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 21050269 42100538
• Sum of all divisors σ(n): 63150810
• Sum of proper divisors (its aliquot sum) s(n): 21050272
• 42100538 is a deficient number, because the sum of its proper divisors (21050272) is less than itself. Its deficiency is 21050266

Bases of 42100538

• Binary: 10100000100110011100111010₂
• Hexadecimal: 0x282673A
• Base-36: P2CZE

Squares and roots of 42100538

• 42100538 squared (42100538²) is 1772455299889444
• 42100538 cubed (42100538³) is 74621321706296932920872
• The square root of 42100538 is 6488.4927371463
• The cube root of 42100538 is 347.8798028105

Scales and comparisons

• 42,100,538 seconds is equal to 1 year, 17 weeks, 4 days, 6 hours, 35 minutes, 38 seconds.
• To count from 1 to 42,100,538 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 42100538 cubic inches would be around 29 feet tall.

Recreational maths with 42100538

• 42100538 backwards is 83500124
• The number of decimal digits it has is: 8
• The sum of 42100538's digits is 23
• More coming soon!