12813322977920

Names of 12813322977920

• Cardinal: 12813322977920 can be written as Twelve trillion, eight hundred thirteen billion, three hundred twenty-two million, nine hundred seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.281332297792 × 10¹³

Factors of 12813322977920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 870470341

Divisors of 12813322977920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 320 368 460 640 736 920 1472 1840 2944 3680 7360 14720 870470311 1740940622 3481881244 4352351555 6963762488 8704703110 13927524976 17409406220 20020817153 27855049952 34818812440 40041634306 55710099904 69637624880 80083268612 100104085765 111420199808 139275249760 160166537224 200208171530 278550499520 320333074448 400416343060 557100999040 640666148896 800832686120 1281332297792 1601665372240 2562664595584 3203330744480 6406661488960 12813322977920
• Sum of all divisors σ(n): 31963669856640
• Sum of proper divisors (its aliquot sum) s(n): 19150346878720
• 12813322977920 is an abundant number, because the sum of its proper divisors (19150346878720) is greater than itself. Its abundance is 6337023900800

Bases of 12813322977920

• Binary: 10111010011101010101100100001000001010000000₂
• Hexadecimal: 0xBA755908280
• Base-36: 4JICXO5FK

Squares and roots of 12813322977920

• 12813322977920 squared (12813322977920²) is 164181245736492656807526400
• 12813322977920 cubed (12813322977920³) is 2103707328538931392941226731917017088000
• The square root of 12813322977920 is 3579570.2225155467
• The cube root of 12813322977920 is 23400.2550547601

Scales and comparisons

• 12,813,322,977,920 seconds is equal to 407,424 years, 1 week, 6 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 12,813,322,977,920 would take you about one million, eighteen thousand, five hundred sixty 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 12813322977920 cubic inches would be around 1950 feet tall.

Recreational maths with 12813322977920

• 12813322977920 backwards is 02977922331821
• The number of decimal digits it has is: 14
• The sum of 12813322977920's digits is 56
• More coming soon!