231513334728

Names of 231513334728

• Cardinal: 231513334728 can be written as Two hundred thirty-one billion, five hundred thirteen million, three hundred thirty-four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.31513334728 × 10¹¹

Factors of 231513334728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 23936498

Divisors of 231513334728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 31 39 52 62 78 93 104 124 156 186 248 312 372 403 744 806 1209 1612 2418 3224 4836 9672 23936449 47872898 71809347 95745796 143618694 191491592 287237388 311173837 574474776 622347674 742029919 933521511 1244695348 1484059838 1867043022 2226089757 2489390696 2968119676 3734086044 4452179514 5936239352 7468172088 8904359028 9646388947 17808718056 19292777894 28939166841 38585555788 57878333682 77171111576 115756667364 231513334728
• Sum of all divisors σ(n): 643411776000
• Sum of proper divisors (its aliquot sum) s(n): 411898441272
• 231513334728 is an abundant number, because the sum of its proper divisors (411898441272) is greater than itself. Its abundance is 180385106544

Bases of 231513334728

• Binary: 11010111100111010001010010001111001000₂
• Hexadecimal: 0x35E74523C8
• Base-36: 2YCT28CO

Squares and roots of 231513334728

• 231513334728 squared (231513334728²) is 53598424156878970833984
• 231513334728 cubed (231513334728³) is 12408749912724842358472287109796352
• The square root of 231513334728 is 481158.3260507917
• The cube root of 231513334728 is 6140.3341208891

Scales and comparisons

• 231,513,334,728 seconds is equal to 7,361 years, 21 weeks, 1 day, 11 hours, 38 minutes, 48 seconds.
• To count from 1 to 231,513,334,728 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 231513334728 cubic inches would be around 511.7 feet tall.

Recreational maths with 231513334728

• 231513334728 backwards is 827433315132
• The number of decimal digits it has is: 12
• The sum of 231513334728's digits is 42
• More coming soon!