42978134

Names of 42978134

• Cardinal: 42978134 can be written as Forty-two million, nine hundred seventy-eight thousand, one hundred thirty-four.

Scientific notation

• Scientific notation: 4.2978134 × 10⁷

Factors of 42978134

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 27310

Divisors of 42978134

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 811 1622 26497 52994 21489067 42978134
• Sum of all divisors σ(n): 64549128
• Sum of proper divisors (its aliquot sum) s(n): 21570994
• 42978134 is a deficient number, because the sum of its proper divisors (21570994) is less than itself. Its deficiency is 21407140

Bases of 42978134

• Binary: 10100011111100101101010110₂
• Hexadecimal: 0x28FCB56
• Base-36: PL652

Squares and roots of 42978134

• 42978134 squared (42978134²) is 1847120002121956
• 42978134 cubed (42978134³) is 79385770965277709310104
• The square root of 42978134 is 6555.7710454225
• The cube root of 42978134 is 350.2804120149

Scales and comparisons

• 42,978,134 seconds is equal to 1 year, 19 weeks, 10 hours, 22 minutes, 14 seconds.
• To count from 1 to 42,978,134 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 42978134 cubic inches would be around 29.2 feet tall.

Recreational maths with 42978134

• 42978134 backwards is 43187924
• The number of decimal digits it has is: 8
• The sum of 42978134's digits is 38
• More coming soon!