42820842

Names of 42820842

• Cardinal: 42820842 can be written as Forty-two million, eight hundred twenty thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 4.2820842 × 10⁷

Factors of 42820842

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7136812

Divisors of 42820842

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 7136807 14273614 21410421 42820842
• Sum of all divisors σ(n): 85641696
• Sum of proper divisors (its aliquot sum) s(n): 42820854
• 42820842 is an abundant number, because the sum of its proper divisors (42820854) is greater than itself. Its abundance is 12

Bases of 42820842

• Binary: 10100011010110010011101010₂
• Hexadecimal: 0x28D64EA
• Base-36: PHSRU

Squares and roots of 42820842

• 42820842 squared (42820842²) is 1833624509588964
• 42820842 cubed (42820842³) is 78517345412436512387688
• The square root of 42820842 is 6543.7635959745
• The cube root of 42820842 is 349.8525691989

Scales and comparisons

• 42,820,842 seconds is equal to 1 year, 18 weeks, 5 days, 14 hours, 40 minutes, 42 seconds.
• To count from 1 to 42,820,842 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 42820842 cubic inches would be around 29.2 feet tall.

Recreational maths with 42820842

• 42820842 backwards is 24802824
• The number of decimal digits it has is: 8
• The sum of 42820842's digits is 30
• More coming soon!