13938345309978

Names of 13938345309978

• Cardinal: 13938345309978 can be written as Thirteen trillion, nine hundred thirty-eight billion, three hundred forty-five million, three hundred nine thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3938345309978 × 10¹³

Factors of 13938345309978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 740

Divisors of 13938345309978

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 6 9 18 61 122 183 307 366 367 549 614 734 921 1098 1101 1842 2202 2763 3303 5526 6606 18727 22387 37454 44774 56181 67161 94249 112362 112669 134322 134689 168543 188498 201483 225338 269378 282747 337086 338007 402966 404067 565494 676014 808134 848241 1014021 1212201 1696482 2028042 2424402 5749189 6872809 8216029 11498378 13745618 16432058 17247567 20618427 24648087 34495134 34589383 41236854 41349523 49296174 51742701 61855281 69178766 73944261 82699046 103485402 103768149 123710562 124048569 147888522 207536298 248097138 311304447 372145707 622608894 744291414 2109952363 2522320903 4219904726 5044641806 6329857089 7566962709 12659714178 12694303561 15133925418 18989571267 22700888127 25388607122 37979142534 38082910683 45401776254 76165821366 114248732049 228497464098 774352517221 1548705034442 2323057551663 4646115103326 6969172654989 13938345309978
• Sum of all divisors σ(n): 30879273923082
• Sum of proper divisors (its aliquot sum) s(n): 16940928613104
• 13938345309978 is an abundant number, because the sum of its proper divisors (16940928613104) is greater than itself. Its abundance is 3002583303126

Bases of 13938345309978

• Binary: 11001010110101000110000111101111011100011010₂
• Hexadecimal: 0xCAD461EF71A
• Base-36: 4XV6QX4II

Squares and roots of 13938345309978

• 13938345309978 squared (13938345309978²) is 194277469980185708906360484
• 13938345309978 cubed (13938345309978³) is 2707906462532713164324430795734790109352
• The square root of 13938345309978 is 3733409.3413364145
• The cube root of 13938345309978 is 24065.9904406553

Scales and comparisons

• 13,938,345,309,978 seconds is equal to 443,196 years, 13 weeks, 6 days, 2 hours, 6 minutes, 18 seconds.
• To count from 1 to 13,938,345,309,978 would take you about one million, one hundred seven thousand, nine hundred ninety 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 13938345309978 cubic inches would be around 2005.5 feet tall.

Recreational maths with 13938345309978

• 13938345309978 backwards is 87990354383931
• The number of decimal digits it has is: 14
• The sum of 13938345309978's digits is 72
• More coming soon!