13231396820

Names of 13231396820

• Cardinal: 13231396820 can be written as Thirteen billion, two hundred thirty-one million, three hundred ninety-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.323139682 × 10¹⁰

Factors of 13231396820

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 113

Divisors of 13231396820

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 89 170 178 289 340 356 445 578 890 1156 1445 1513 1780 2890 3026 4913 5780 6052 7565 7921 9826 15130 15842 19652 24565 25721 30260 31684 39605 49130 51442 79210 83521 98260 102884 128605 134657 158420 167042 257210 269314 334084 417605 437257 514420 538628 673285 835210 874514 1346570 1670420 1749028 2186285 2289169 2693140 4372570 4578338 7433369 8745140 9156676 11445845 14866738 22891690 29733476 37166845 38915873 45783380 74333690 77831746 148667380 155663492 194579365 389158730 661569841 778317460 1323139682 2646279364 3307849205 6615698410 13231396820
• Sum of all divisors σ(n): 29857974342
• Sum of proper divisors (its aliquot sum) s(n): 16626577522
• 13231396820 is an abundant number, because the sum of its proper divisors (16626577522) is greater than itself. Its abundance is 3395180702

Bases of 13231396820

• Binary: 1100010100101001110001011111010100₂
• Hexadecimal: 0x314A717D4
• Base-36: 62TMR4K

Squares and roots of 13231396820

• 13231396820 squared (13231396820²) is 175069861808306112400
• 13231396820 cubed (13231396820³) is 2316418812808260945195922568000
• The square root of 13231396820 is 115027.8088985441
• The cube root of 13231396820 is 2365.2037822757

Scales and comparisons

• 13,231,396,820 seconds is equal to 420 years, 37 weeks, 2 days, 4 hours, 20 seconds.
• To count from 1 to 13,231,396,820 would take you about eight hundred forty-one 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 13231396820 cubic inches would be around 197.1 feet tall.

Recreational maths with 13231396820

• 13231396820 backwards is 02869313231
• The number of decimal digits it has is: 11
• The sum of 13231396820's digits is 38
• More coming soon!