42489470

Names of 42489470

• Cardinal: 42489470 can be written as Forty-two million, four hundred eighty-nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 4.248947 × 10⁷

Factors of 42489470

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4248954

Divisors of 42489470

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 4248947 8497894 21244735 42489470
• Sum of all divisors σ(n): 76481064
• Sum of proper divisors (its aliquot sum) s(n): 33991594
• 42489470 is a deficient number, because the sum of its proper divisors (33991594) is less than itself. Its deficiency is 8497876

Bases of 42489470

• Binary: 10100010000101011001111110₂
• Hexadecimal: 0x288567E
• Base-36: PAP32

Squares and roots of 42489470

• 42489470 squared (42489470²) is 1805355060880900
• 42489470 cubed (42489470³) is 76708579698647174123000
• The square root of 42489470 is 6518.3947410387
• The cube root of 42489470 is 348.9477786029

Scales and comparisons

• 42,489,470 seconds is equal to 1 year, 18 weeks, 1 day, 18 hours, 37 minutes, 50 seconds.
• To count from 1 to 42,489,470 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 42489470 cubic inches would be around 29.1 feet tall.

Recreational maths with 42489470

• 42489470 backwards is 07498424
• The number of decimal digits it has is: 8
• The sum of 42489470's digits is 38
• More coming soon!