309147085

Names of 309147085

• Cardinal: 309147085 can be written as Three hundred nine million, one hundred forty-seven thousand and eighty-five.

Scientific notation

• Scientific notation: 3.09147085 × 10⁸

Factors of 309147085

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 78048

Divisors of 309147085

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 13 61 65 305 793 3965 77969 389845 1013597 4756109 5067985 23780545 61829417 309147085
• Sum of all divisors σ(n): 406067760
• Sum of proper divisors (its aliquot sum) s(n): 96920675
• 309147085 is a deficient number, because the sum of its proper divisors (96920675) is less than itself. Its deficiency is 212226410

Bases of 309147085

• Binary: 10010011011010011010111001101₂
• Hexadecimal: 0x126D35CD
• Base-36: 5423F1

Squares and roots of 309147085

• 309147085 squared (309147085²) is 95571920163997225
• 309147085 cubed (309147085³) is 29545780526552464056839125
• The square root of 309147085 is 17582.5790201551
• The cube root of 309147085 is 676.1686823021

Scales and comparisons

• 309,147,085 seconds is equal to 9 years, 43 weeks, 1 day, 2 hours, 11 minutes, 25 seconds.
• To count from 1 to 309,147,085 would take you about fourteen 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 309147085 cubic inches would be around 56.3 feet tall.

Recreational maths with 309147085

• 309147085 backwards is 580741903
• The number of decimal digits it has is: 9
• The sum of 309147085's digits is 37
• More coming soon!