680444428

Names of 680444428

• Cardinal: 680444428 can be written as Six hundred eighty million, four hundred forty-four thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 6.80444428 × 10⁸

Factors of 680444428

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 29830

Divisors of 680444428

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 7681 15362 22147 30724 44294 88588 170111107 340222214 680444428
• Sum of all divisors σ(n): 1190986552
• Sum of proper divisors (its aliquot sum) s(n): 510542124
• 680444428 is a deficient number, because the sum of its proper divisors (510542124) is less than itself. Its deficiency is 169902304

Bases of 680444428

• Binary: 101000100011101100001000001100₂
• Hexadecimal: 0x288EC20C
• Base-36: B94AA4

Squares and roots of 680444428

• 680444428 squared (680444428²) is 463004619596247184
• 680444428 cubed (680444428³) is 315048913542526006063490752
• The square root of 680444428 is 26085.3297468137
• The cube root of 680444428 is 879.5574686143

Scales and comparisons

• 680,444,428 seconds is equal to 21 years, 33 weeks, 12 hours, 20 minutes, 28 seconds.
• To count from 1 to 680,444,428 would take you about thirty-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 680444428 cubic inches would be around 73.3 feet tall.

Recreational maths with 680444428

• 680444428 backwards is 824444086
• The number of decimal digits it has is: 9
• The sum of 680444428's digits is 40
• More coming soon!