72082131

Names of 72082131

• Cardinal: 72082131 can be written as Seventy-two million, eighty-two thousand, one hundred thirty-one.

Scientific notation

• Scientific notation: 7.2082131 × 10⁷

Factors of 72082131

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2184321

Divisors of 72082131

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 11 33 2184307 6552921 24027377 72082131
• Sum of all divisors σ(n): 104846784
• Sum of proper divisors (its aliquot sum) s(n): 32764653
• 72082131 is a deficient number, because the sum of its proper divisors (32764653) is less than itself. Its deficiency is 39317478

Bases of 72082131

• Binary: 100010010111110001011010011₂
• Hexadecimal: 0x44BE2D3
• Base-36: 16WYXF

Squares and roots of 72082131

• 72082131 squared (72082131²) is 5195833609501161
• 72082131 cubed (72082131³) is 374526758894265531854091
• The square root of 72082131 is 8490.1196104649
• The cube root of 72082131 is 416.1748890977

Scales and comparisons

• 72,082,131 seconds is equal to 2 years, 15 weeks, 1 day, 6 hours, 48 minutes, 51 seconds.
• To count from 1 to 72,082,131 would take you about three 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 72082131 cubic inches would be around 34.7 feet tall.

Recreational maths with 72082131

• 72082131 backwards is 13128027
• The number of decimal digits it has is: 8
• The sum of 72082131's digits is 24
• More coming soon!