21406848315814801

Names of 21406848315814801

• Cardinal: 21406848315814801 can be written as Twenty-one quadrillion, four hundred six trillion, eight hundred forty-eight billion, three hundred fifteen million, eight hundred fourteen thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1406848315814801 × 10¹⁶

Factors of 21406848315814801

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 591649

Divisors of 21406848315814801

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 349 2443 3221 4663 22547 32641 583409 1124129 1627387 4083863 7868903 11391709 15019523 105136661 203609741 1425268187 1879160389 2720436167 5241813527 13154122723 19043053169 36692694689 655826975761 949432222283 4590788830327 6646025555981 8762524893907 61337674257349 3058121187973543 21406848315814801
• Sum of all divisors σ(n): 24547992283584000
• Sum of proper divisors (its aliquot sum) s(n): 3141143967769199
• 21406848315814801 is a deficient number, because the sum of its proper divisors (3141143967769199) is less than itself. Its deficiency is 18265704348045602

Bases of 21406848315814801

• Binary: 1001100000011010110101001000101100111111111001110010001₂
• Hexadecimal: 0x4C0D6A459FF391
• Base-36: 5US3ECQSHW1

Squares and roots of 21406848315814801

• 21406848315814801 squared (21406848315814801²) is 458253154816302982053484530669601
• 21406848315814801 cubed (21406848315814801³) is 9809755775396194754698589051323275237646436564401
• The square root of 21406848315814801 is 146310793.5725003203
• The cube root of 21406848315814801 is 277662.7222601051

Scales and comparisons

• 21,406,848,315,814,801 seconds is equal to 680,671,560 years, 37 weeks, 17 hours, 1 second.
• To count from 1 to 21,406,848,315,814,801 would take you about two billion, forty-two million, fourteen thousand, six hundred eighty-two 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 21406848315814801 cubic inches would be around 23138.6 feet tall.

Recreational maths with 21406848315814801

• 21406848315814801 backwards is 10841851384860412
• The number of decimal digits it has is: 17
• The sum of 21406848315814801's digits is 64
• More coming soon!