13123394616978

Names of 13123394616978

• Cardinal: 13123394616978 can be written as Thirteen trillion, one hundred twenty-three billion, three hundred ninety-four million, six hundred sixteen thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3123394616978 × 10¹³

Factors of 13123394616978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 27688408

Divisors of 13123394616978

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 17 18 34 51 102 153 306 1549 3098 4647 9294 13941 26333 27882 52666 78999 157998 236997 473994 27686837 55373674 83060511 166121022 249181533 470676229 498363066 941352458 1412028687 2824057374 4236086061 8472172122 42886910513 85773821026 128660731539 257321463078 385982194617 729077478721 771964389234 1458154957442 2187232436163 4374464872326 6561697308489 13123394616978
• Sum of all divisors σ(n): 30126048427800
• Sum of proper divisors (its aliquot sum) s(n): 17002653810822
• 13123394616978 is an abundant number, because the sum of its proper divisors (17002653810822) is greater than itself. Its abundance is 3879259193844

Bases of 13123394616978

• Binary: 10111110111110000111010001100011111010010010₂
• Hexadecimal: 0xBEF87463E92
• Base-36: 4NGSYBHCI

Squares and roots of 13123394616978

• 13123394616978 squared (13123394616978²) is 172223486272927147325852484
• 13123394616978 cubed (13123394616978³) is 2260156772671316601351254036220509873352
• The square root of 13123394616978 is 3622622.6158651967
• The cube root of 13123394616978 is 23587.5081219469

Scales and comparisons

• 13,123,394,616,978 seconds is equal to 417,283 years, 18 weeks, 3 days, 9 hours, 36 minutes, 18 seconds.
• To count from 1 to 13,123,394,616,978 would take you about one million, forty-three thousand, two hundred 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 13123394616978 cubic inches would be around 1965.6 feet tall.

Recreational maths with 13123394616978

• 13123394616978 backwards is 87961649332131
• The number of decimal digits it has is: 14
• The sum of 13123394616978's digits is 63
• More coming soon!