12999449768720

Names of 12999449768720

• Cardinal: 12999449768720 can be written as Twelve trillion, nine hundred ninety-nine billion, four hundred forty-nine million, seven hundred sixty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.299944976872 × 10¹³

Factors of 12999449768720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 814601

Divisors of 12999449768720

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 349007 465587 698014 931174 1396028 1745035 1862348 2327935 2792056 3490070 3724696 4655870 5584112 6980140 7449392 9311740 13960280 18623480 27920560 37246960 162493122109 324986244218 649972488436 812465610545 1299944976872 1624931221090 2599889953744 3249862442180 6499724884360 12999449768720
• Sum of all divisors σ(n): 30223872226944
• Sum of proper divisors (its aliquot sum) s(n): 17224422458224
• 12999449768720 is an abundant number, because the sum of its proper divisors (17224422458224) is greater than itself. Its abundance is 4224972689504

Bases of 12999449768720

• Binary: 10111101001010101011100101011111001100010000₂
• Hexadecimal: 0xBD2AB95F310
• Base-36: 4LVV4R8CW

Squares and roots of 12999449768720

• 12999449768720 squared (12999449768720²) is 168985694289474461490438400
• 12999449768720 cubed (12999449768720³) is 2196721044548297413152226005371406848000
• The square root of 12999449768720 is 3605474.9713068319
• The cube root of 12999449768720 is 23513.0151346053

Scales and comparisons

• 12,999,449,768,720 seconds is equal to 413,342 years, 15 weeks, 1 day, 13 hours, 5 minutes, 20 seconds.
• To count from 1 to 12,999,449,768,720 would take you about one million, thirty-three thousand, three hundred fifty-five 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 12999449768720 cubic inches would be around 1959.4 feet tall.

Recreational maths with 12999449768720

• 12999449768720 backwards is 02786794499921
• The number of decimal digits it has is: 14
• The sum of 12999449768720's digits is 77
• More coming soon!