231506499728

Names of 231506499728

• Cardinal: 231506499728 can be written as Two hundred thirty-one billion, five hundred six million, four hundred ninety-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.31506499728 × 10¹¹

Factors of 231506499728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 91233

Divisors of 231506499728

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 41947 49277 83894 98554 167788 197108 293629 335576 344939 394216 587258 671152 689878 788432 1174516 1379756 2349032 2759512 4698064 5519024 2067022319 4134044638 8268089276 14469156233 16536178552 28938312466 33072357104 57876624932 115753249864 231506499728
• Sum of all divisors σ(n): 512644158912
• Sum of proper divisors (its aliquot sum) s(n): 281137659184
• 231506499728 is an abundant number, because the sum of its proper divisors (281137659184) is greater than itself. Its abundance is 49631159456

Bases of 231506499728

• Binary: 11010111100110110111001101100010010000₂
• Hexadecimal: 0x35E6DCD890
• Base-36: 2YCOZQFK

Squares and roots of 231506499728

• 231506499728 squared (231506499728²) is 53595259416310464073984
• 231506499728 cubed (231506499728³) is 12407650909484167889907330667876352
• The square root of 231506499728 is 481151.2233466731
• The cube root of 231506499728 is 6140.2736929851

Scales and comparisons

• 231,506,499,728 seconds is equal to 7,361 years, 9 weeks, 6 days, 9 hours, 2 minutes, 8 seconds.
• To count from 1 to 231,506,499,728 would take you about fourteen thousand, seven hundred twenty-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 231506499728 cubic inches would be around 511.7 feet tall.

Recreational maths with 231506499728

• 231506499728 backwards is 827994605132
• 231506499728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 231506499728's digits is 56
• More coming soon!