668727361

Names of 668727361

• Cardinal: 668727361 can be written as Six hundred sixty-eight million, seven hundred twenty-seven thousand, three hundred sixty-one.

Scientific notation

• Scientific notation: 6.68727361 × 10⁸

Factors of 668727361

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3360638

Divisors of 668727361

• Number of divisors d(n): 4
• Complete list of divisors:
  1 199 3360439 668727361
• Sum of all divisors σ(n): 672088000
• Sum of proper divisors (its aliquot sum) s(n): 3360639
• 668727361 is a deficient number, because the sum of its proper divisors (3360639) is less than itself. Its deficiency is 665366722

Bases of 668727361

• Binary: 100111110110111111100001000001₂
• Hexadecimal: 0x27DBF841
• Base-36: B255C1

Squares and roots of 668727361

• 668727361 squared (668727361²) is 447196283350024321
• 668727361 cubed (668727361³) is 299052390413670003468146881
• The square root of 668727361 is 25859.7633593195
• The cube root of 668727361 is 874.4796300759

Scales and comparisons

• 668,727,361 seconds is equal to 21 years, 13 weeks, 4 days, 21 hours, 36 minutes, 1 second.
• To count from 1 to 668,727,361 would take you about thirty-one 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 668727361 cubic inches would be around 72.9 feet tall.

Recreational maths with 668727361

• 668727361 backwards is 163727866
• The number of decimal digits it has is: 9
• The sum of 668727361's digits is 46
• More coming soon!