9939273021

Names of 9939273021

• Cardinal: 9939273021 can be written as Nine billion, nine hundred thirty-nine million, two hundred seventy-three thousand and twenty-one.

Scientific notation

• Scientific notation: 9.939273021 × 10⁹

Factors of 9939273021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 368121226

Divisors of 9939273021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 9 27 368121223 1104363669 3313091007 9939273021
• Sum of all divisors σ(n): 14724848960
• Sum of proper divisors (its aliquot sum) s(n): 4785575939
• 9939273021 is a deficient number, because the sum of its proper divisors (4785575939) is less than itself. Its deficiency is 5153697082

Bases of 9939273021

• Binary: 1001010000011011010100010100111101₂
• Hexadecimal: 0x2506D453D
• Base-36: 4KDL459

Squares and roots of 9939273021

• 9939273021 squared (9939273021²) is 98789148185978466441
• 9939273021 cubed (9939273021³) is 981892315332466861983985188261
• The square root of 9939273021 is 99695.9027292497
• The cube root of 9939273021 is 2150.0647552877

Scales and comparisons

• 9,939,273,021 seconds is equal to 316 years, 1 week, 6 days, 21 hours, 10 minutes, 21 seconds.
• To count from 1 to 9,939,273,021 would take you about six hundred 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 9939273021 cubic inches would be around 179.2 feet tall.

Recreational maths with 9939273021

• 9939273021 backwards is 1203729399
• The number of decimal digits it has is: 10
• The sum of 9939273021's digits is 45
• More coming soon!