489720040

Names of 489720040

• Cardinal: 489720040 can be written as Four hundred eighty-nine million, seven hundred twenty thousand and forty.

Scientific notation

• Scientific notation: 4.8972004 × 10⁸

Factors of 489720040

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3506

Divisors of 489720040

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 8 10 20 40 3499 6998 13996 17495 27992 34990 69980 139960 12243001 24486002 48972004 61215005 97944008 122430010 244860020 489720040
• Sum of all divisors σ(n): 1102185090
• Sum of proper divisors (its aliquot sum) s(n): 612465050
• 489720040 is an abundant number, because the sum of its proper divisors (612465050) is greater than itself. Its abundance is 122745010

Bases of 489720040

• Binary: 11101001100001000100011101000₂
• Hexadecimal: 0x1D3088E8
• Base-36: 83KEEG

Squares and roots of 489720040

• 489720040 squared (489720040²) is 239825717577601600
• 489720040 cubed (489720040³) is 117447460005131758656064000
• The square root of 489720040 is 22129.6190658581
• The cube root of 489720040 is 788.2233427747

Scales and comparisons

• 489,720,040 seconds is equal to 15 years, 29 weeks, 5 days, 1 hour, 20 minutes, 40 seconds.
• To count from 1 to 489,720,040 would take you about twenty-three 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 489720040 cubic inches would be around 65.7 feet tall.

Recreational maths with 489720040

• 489720040 backwards is 040027984
• The number of decimal digits it has is: 9
• The sum of 489720040's digits is 34
• More coming soon!