20421482021617

Names of 20421482021617

• Cardinal: 20421482021617 can be written as Twenty trillion, four hundred twenty-one billion, four hundred eighty-two million, twenty-one thousand, six hundred seventeen.

Scientific notation

• Scientific notation: 2.0421482021617 × 10¹³

Factors of 20421482021617

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4886

Divisors of 20421482021617

• Number of divisors d(n): 64
• Complete list of divisors:
  1 19 23 61 331 437 601 1159 1403 3851 6289 7613 11419 13823 20191 26657 36661 73169 88573 144647 198931 234911 262637 383629 464393 696559 843203 1274681 1682887 2314451 3779689 4463309 4575413 5402953 8823467 12134791 16020857 24218939 29317663 43974569 53232373 77755541 86932847 102656107 141181511 230561029 279100193 557035597 766083281 1011415087 1477355279 1788377443 2682448709 3247174753 5302903667 14555582339 17619915463 33979171417 46731080141 61696320307 334778393797 887890522679 1074814843243 20421482021617
• Sum of all divisors σ(n): 22911513569280
• Sum of proper divisors (its aliquot sum) s(n): 2490031547663
• 20421482021617 is a deficient number, because the sum of its proper divisors (2490031547663) is less than itself. Its deficiency is 17931450473954

Bases of 20421482021617

• Binary: 100101001001010111111001011101000001011110001₂
• Hexadecimal: 0x1292BF2E82F1
• Base-36: 78LHZ4MPD

Squares and roots of 20421482021617

• 20421482021617 squared (20421482021617²) is 417036927959226353255294689
• 20421482021617 cubed (20421482021617³) is 8516512126669724978623237974428803292113
• The square root of 20421482021617 is 4519013.3902896325
• The cube root of 20421482021617 is 27333.5318675457

Scales and comparisons

• 20,421,482,021,617 seconds is equal to 649,339 years, 49 weeks, 6 days, 14 hours, 53 minutes, 37 seconds.
• To count from 1 to 20,421,482,021,617 would take you about one million, six hundred twenty-three thousand, three hundred forty-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 20421482021617 cubic inches would be around 2277.8 feet tall.

Recreational maths with 20421482021617

• 20421482021617 backwards is 71612028412402
• The number of decimal digits it has is: 14
• The sum of 20421482021617's digits is 40
• More coming soon!