21664359481259104306321

Names of 21664359481259104306321

• Cardinal: 21664359481259104306321 can be written as Twenty-one sextillion, six hundred sixty-four quintillion, three hundred fifty-nine quadrillion, four hundred eighty-one trillion, two hundred fifty-nine billion, one hundred four million, three hundred six thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 2.1664359481259104306321 × 10²²

Factors of 21664359481259104306321

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1329553

Divisors of 21664359481259104306321

• Number of divisors d(n): 27
• Complete list of divisors:
  1 139 797 19321 110783 635209 1328617 15398837 88294051 184677763 1058907749 12272873089 25670209057 147188177111 843949475953 1765223132689 20459156618429 117308977157467 245366015443771 1406882836753133 16305947824887913 34105876146684169 195556714308685487 1121285620892247001 27182383288907282693 155858701304022333139 21664359481259104306321
• Sum of all divisors σ(n): 21848769612823845640689
• Sum of proper divisors (its aliquot sum) s(n): 184410131564741334368
• 21664359481259104306321 is a deficient number, because the sum of its proper divisors (184410131564741334368) is less than itself. Its deficiency is 21479949349694362971953

Bases of 21664359481259104306321

• Binary: 100100101100110110101100010010001011000001001011110110100101000010010010001₂
• Hexadecimal: 0x4966D6245825ED28491
• Base-36: 3J03NAAO2KWRBTD

Squares and roots of 21664359481259104306321

• 21664359481259104306321 squared (21664359481259104306321²) is 469344471733221247031493704200356086600555041
• 21664359481259104306321 cubed (21664359481259104306321³) is 10168047356170157399571416219967707664988103690170520737911884714161
• 21664359481259104306321 is a perfect square number. Its square root is 147188177111
• The cube root of 21664359481259104306321 is 27877165.7831831957

Scales and comparisons

• 21,664,359,481,259,104,306,321 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 21,664,359,481,259,104,306,321 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21664359481259104306321 cubic inches would be around 2323097.1 feet tall.

Recreational maths with 21664359481259104306321

• 21664359481259104306321 backwards is 12360340195218495346612
• The number of decimal digits it has is: 23
• The sum of 21664359481259104306321's digits is 85
• More coming soon!