21449744381055

Names of 21449744381055

• Cardinal: 21449744381055 can be written as Twenty-one trillion, four hundred forty-nine billion, seven hundred forty-four million, three hundred eighty-one thousand and fifty-five.

Scientific notation

• Scientific notation: 2.1449744381055 × 10¹³

Factors of 21449744381055

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 550205207

Divisors of 21449744381055

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 15 23 69 113 115 339 345 565 1695 2599 7797 12995 38985 550205063 1650615189 2751025315 8253075945 12654716449 37964149347 62173172119 63273582245 186519516357 189820746735 310865860595 932597581785 1429982958737 4289948876211 7149914793685 21449744381055
• Sum of all divisors σ(n): 36128665322496
• Sum of proper divisors (its aliquot sum) s(n): 14678920941441
• 21449744381055 is a deficient number, because the sum of its proper divisors (14678920941441) is less than itself. Its deficiency is 6770823439614

Bases of 21449744381055

• Binary: 100111000001000101000011001001111010001111111₂
• Hexadecimal: 0x13822864F47F
• Base-36: 7LPVJZL33

Squares and roots of 21449744381055

• 21449744381055 squared (21449744381055²) is 460091534012600545042913025
• 21449744381055 cubed (21449744381055³) is 9868845796457753958602454091842822741375
• The square root of 21449744381055 is 4631386.8744745349
• The cube root of 21449744381055 is 27784.8063125735

Scales and comparisons

• 21,449,744,381,055 seconds is equal to 682,035 years, 27 weeks, 1 day, 8 hours, 4 minutes, 15 seconds.
• To count from 1 to 21,449,744,381,055 would take you about one million, seven hundred five thousand and eighty-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 21449744381055 cubic inches would be around 2315.4 feet tall.

Recreational maths with 21449744381055

• 21449744381055 backwards is 55018344794412
• The number of decimal digits it has is: 14
• The sum of 21449744381055's digits is 57
• More coming soon!