820382918

Names of 820382918

• Cardinal: 820382918 can be written as Eight hundred twenty million, three hundred eighty-two thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 8.20382918 × 10⁸

Factors of 820382918

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 254982

Divisors of 820382918

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 1619 3238 253361 506722 410191459 820382918
• Sum of all divisors σ(n): 1231339320
• Sum of proper divisors (its aliquot sum) s(n): 410956402
• 820382918 is a deficient number, because the sum of its proper divisors (410956402) is less than itself. Its deficiency is 409426516

Bases of 820382918

• Binary: 110000111001100000110011000110₂
• Hexadecimal: 0x30E60CC6
• Base-36: DKFNIE

Squares and roots of 820382918

• 820382918 squared (820382918²) is 673028132146194724
• 820382918 cubed (820382918³) is 552140782946184830271324632
• The square root of 820382918 is 28642.3273844847
• The cube root of 820382918 is 936.1358337395

Scales and comparisons

• 820,382,918 seconds is equal to 26 years, 4 weeks, 3 days, 4 hours, 8 minutes, 38 seconds.
• To count from 1 to 820,382,918 would take you about thirty-nine 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 820382918 cubic inches would be around 78 feet tall.

Recreational maths with 820382918

• 820382918 backwards is 819283028
• The number of decimal digits it has is: 9
• The sum of 820382918's digits is 41
• More coming soon!