12840668556820

Names of 12840668556820

• Cardinal: 12840668556820 can be written as Twelve trillion, eight hundred forty billion, six hundred sixty-eight million, five hundred fifty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.284066855682 × 10¹³

Factors of 12840668556820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 949262

Divisors of 12840668556820

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 65 130 260 55243 110486 220972 276215 552430 718159 893999 1104860 1436318 1787998 2872636 3575996 3590795 4469995 7181590 8939990 11621987 14363180 17879980 23243974 46487948 58109935 116219870 232439740 49387186757 98774373514 197548747028 246935933785 493871867570 642033427841 987743735140 1284066855682 2568133711364 3210167139205 6420334278410 12840668556820
• Sum of all divisors σ(n): 29040223968000
• Sum of proper divisors (its aliquot sum) s(n): 16199555411180
• 12840668556820 is an abundant number, because the sum of its proper divisors (16199555411180) is greater than itself. Its abundance is 3358886854360

Bases of 12840668556820

• Binary: 10111010110110110011011111001110111000010100₂
• Hexadecimal: 0xBADB37CEE14
• Base-36: 4JUX6IT5G

Squares and roots of 12840668556820

• 12840668556820 squared (12840668556820²) is 164882768986105821568512400
• 12840668556820 cubed (12840668556820³) is 2117204987281304894471950548062274568000
• The square root of 12840668556820 is 3583387.8602266877
• The cube root of 12840668556820 is 23416.8897937453

Scales and comparisons

• 12,840,668,556,820 seconds is equal to 408,293 years, 28 weeks, 1 day, 53 minutes, 40 seconds.
• To count from 1 to 12,840,668,556,820 would take you about one million, twenty thousand, seven hundred thirty-three 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 12840668556820 cubic inches would be around 1951.4 feet tall.

Recreational maths with 12840668556820

• 12840668556820 backwards is 02865586604821
• The number of decimal digits it has is: 14
• The sum of 12840668556820's digits is 61
• More coming soon!