42378330

Names of 42378330

• Cardinal: 42378330 can be written as Forty-two million, three hundred seventy-eight thousand, three hundred thirty.

Scientific notation

• Scientific notation: 4.237833 × 10⁷

Factors of 42378330

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 14670

Divisors of 42378330

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 97 194 291 485 582 970 1455 2910 14563 29126 43689 72815 87378 145630 218445 436890 1412611 2825222 4237833 7063055 8475666 14126110 21189165 42378330
• Sum of all divisors σ(n): 102763584
• Sum of proper divisors (its aliquot sum) s(n): 60385254
• 42378330 is an abundant number, because the sum of its proper divisors (60385254) is greater than itself. Its abundance is 18006924

Bases of 42378330

• Binary: 10100001101010010001011010₂
• Hexadecimal: 0x286A45A
• Base-36: P8BBU

Squares and roots of 42378330

• 42378330 squared (42378330²) is 1795922853588900
• 42378330 cubed (42378330³) is 76108211343932088537000
• The square root of 42378330 is 6509.8640538801
• The cube root of 42378330 is 348.6432645709

Scales and comparisons

• 42,378,330 seconds is equal to 1 year, 18 weeks, 11 hours, 45 minutes, 30 seconds.
• To count from 1 to 42,378,330 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 42378330 cubic inches would be around 29.1 feet tall.

Recreational maths with 42378330

• 42378330 backwards is 03387324
• 42378330 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42378330's digits is 30
• More coming soon!