21391222126023

Names of 21391222126023

• Cardinal: 21391222126023 can be written as Twenty-one trillion, three hundred ninety-one billion, two hundred twenty-two million, one hundred twenty-six thousand and twenty-three.

Scientific notation

• Scientific notation: 2.1391222126023 × 10¹³

Factors of 21391222126023

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3993

Divisors of 21391222126023

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 27 617 1851 3373 5553 10119 16659 30357 91071 380689 1142067 2081141 3426201 6243423 10278603 18730269 56190807 234885113 704655339 1284063997 2113966017 3852191991 6341898051 11556575973 34669727919 792267486149 2376802458447 7130407375341 21391222126023
• Sum of all divisors σ(n): 31751556043200
• Sum of proper divisors (its aliquot sum) s(n): 10360333917177
• 21391222126023 is a deficient number, because the sum of its proper divisors (10360333917177) is less than itself. Its deficiency is 11030888208846

Bases of 21391222126023

• Binary: 100110111010010001000001100100011010111000111₂
• Hexadecimal: 0x1374883235C7
• Base-36: 7KYZPCK3R

Squares and roots of 21391222126023

• 21391222126023 squared (21391222126023²) is 457584384044855956093796529
• 21391222126023 cubed (21391222126023³) is 9788289200502928545309536529476957974167
• The square root of 21391222126023 is 4625064.5537141425
• The cube root of 21391222126023 is 27759.5144718517

Scales and comparisons

• 21,391,222,126,023 seconds is equal to 680,174 years, 36 weeks, 1 day, 10 hours, 7 minutes, 3 seconds.
• To count from 1 to 21,391,222,126,023 would take you about one million, seven hundred thousand, four hundred thirty-six 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 21391222126023 cubic inches would be around 2313.3 feet tall.

Recreational maths with 21391222126023

• 21391222126023 backwards is 32062122219312
• The number of decimal digits it has is: 14
• The sum of 21391222126023's digits is 36
• More coming soon!