1028525709

Names of 1028525709

• Cardinal: 1028525709 can be written as One billion, twenty-eight million, five hundred twenty-five thousand, seven hundred nine.

Scientific notation

• Scientific notation: 1.028525709 × 10⁹

Factors of 1028525709

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 342841906

Divisors of 1028525709

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 342841903 1028525709
• Sum of all divisors σ(n): 1371367616
• Sum of proper divisors (its aliquot sum) s(n): 342841907
• 1028525709 is a deficient number, because the sum of its proper divisors (342841907) is less than itself. Its deficiency is 685683802

Bases of 1028525709

• Binary: 111101010011100000111010001101₂
• Hexadecimal: 0x3D4E0E8D
• Base-36: H0CVIL

Squares and roots of 1028525709

• 1028525709 squared (1028525709²) is 1057865134073952681
• 1028525709 cubed (1028525709³) is 1088041487049792239657975829
• The square root of 1028525709 is 32070.6362425195
• The cube root of 1028525709 is 1009.4195629077

Scales and comparisons

• 1,028,525,709 seconds is equal to 32 years, 36 weeks, 4 days, 5 hours, 35 minutes, 9 seconds.
• To count from 1 to 1,028,525,709 would take you about sixty-five 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 1028525709 cubic inches would be around 84.1 feet tall.

Recreational maths with 1028525709

• 1028525709 backwards is 9075258201
• The number of decimal digits it has is: 10
• The sum of 1028525709's digits is 39
• More coming soon!