130729

Names of 130729

• Cardinal: 130729 can be written as One hundred thirty thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.30729 × 10⁵

Factors of 130729

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 130729

Divisors of 130729

• Number of divisors d(n): 2
• Complete list of divisors:
  1 130729
• Sum of all divisors σ(n): 130730
• Sum of proper divisors (its aliquot sum) s(n): 1
• 130729 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 130728

Bases of 130729

• Binary: 11111111010101001₂
• Hexadecimal: 0x1FEA9
• Base-36: 2SVD

Squares and roots of 130729

• 130729 squared (130729²) is 17090071441
• 130729 cubed (130729³) is 2234167949410489
• The square root of 130729 is 361.5646553523
• The cube root of 130729 is 50.7524851769

Scales and comparisons

• 130,729 seconds is equal to 1 day, 12 hours, 18 minutes, 49 seconds.
• To count from 1 to 130,729 would take you about twelve hours.

  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 130729 cubic inches would be around 4.2 feet tall.

Recreational maths with 130729

• 130729 backwards is 927031
• The number of decimal digits it has is: 6
• The sum of 130729's digits is 22
• More coming soon!