13661843390

Names of 13661843390

• Cardinal: 13661843390 can be written as Thirteen billion, six hundred sixty-one million, eight hundred forty-three thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.366184339 × 10¹⁰

Factors of 13661843390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1401

Divisors of 13661843390

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 26 53 65 106 127 130 169 254 265 338 530 635 689 845 1201 1270 1378 1651 1690 2402 3302 3445 6005 6731 6890 8255 8957 12010 13462 15613 16510 17914 21463 31226 33655 42926 44785 63653 67310 78065 87503 89570 107315 127306 152527 156130 175006 202969 214630 305054 318265 405938 437515 636530 762635 827489 875030 1014845 1137539 1525270 1654978 1982851 2029690 2275078 3965702 4137445 5687695 8083931 8274890 9914255 10757357 11375390 16167862 19828510 21514714 25777063 40419655 51554126 53786785 80839310 105091103 107573570 128885315 210182206 257770630 525455515 1050911030 1366184339 2732368678 6830921695 13661843390
• Sum of all divisors σ(n): 27367289856
• Sum of proper divisors (its aliquot sum) s(n): 13705446466
• 13661843390 is an abundant number, because the sum of its proper divisors (13705446466) is greater than itself. Its abundance is 43603076

Bases of 13661843390

• Binary: 1100101110010011110010111110111110₂
• Hexadecimal: 0x32E4F2FBE
• Base-36: 69XWPTQ

Squares and roots of 13661843390

• 13661843390 squared (13661843390²) is 186645964812886692100
• 13661843390 cubed (13661843390³) is 2549927940649108641285350219000
• The square root of 13661843390 is 116883.8884962337
• The cube root of 13661843390 is 2390.5790039913

Scales and comparisons

• 13,661,843,390 seconds is equal to 434 years, 21 weeks, 4 hours, 29 minutes, 50 seconds.
• To count from 1 to 13,661,843,390 would take you about eight hundred sixty-eight 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 13661843390 cubic inches would be around 199.2 feet tall.

Recreational maths with 13661843390

• 13661843390 backwards is 09334816631
• The number of decimal digits it has is: 11
• The sum of 13661843390's digits is 44
• More coming soon!