20421270579144

Names of 20421270579144

• Cardinal: 20421270579144 can be written as Twenty trillion, four hundred twenty-one billion, two hundred seventy million, five hundred seventy-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.0421270579144 × 10¹³

Factors of 20421270579144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 445723670

Divisors of 20421270579144

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 23 24 46 69 83 92 138 166 184 249 276 332 498 552 664 996 1909 1992 3818 5727 7636 11454 15272 22908 45816 445723559 891447118 1337170677 1782894236 2674341354 3565788472 5348682708 10251641857 10697365416 20503283714 30754925571 36995055397 41006567428 61509851142 73990110794 82013134856 110985166191 123019702284 147980221588 221970332382 246039404568 295960443176 443940664764 850886274131 887881329528 1701772548262 2552658822393 3403545096524 5105317644786 6807090193048 10210635289572 20421270579144
• Sum of all divisors σ(n): 53914721817600
• Sum of proper divisors (its aliquot sum) s(n): 33493451238456
• 20421270579144 is an abundant number, because the sum of its proper divisors (33493451238456) is greater than itself. Its abundance is 13072180659312

Bases of 20421270579144

• Binary: 100101001001010110010100101000010011111001000₂
• Hexadecimal: 0x1292B29427C8
• Base-36: 78LEH8ONC

Squares and roots of 20421270579144

• 20421270579144 squared (20421270579144²) is 417028292066612321167772736
• 20421270579144 cubed (20421270579144³) is 8516247591450581376519928470883293417984
• The square root of 20421270579144 is 4518989.9954684565
• The cube root of 20421270579144 is 27333.4375307827

Scales and comparisons

• 20,421,270,579,144 seconds is equal to 649,333 years, 12 weeks, 2 days, 8 hours, 52 minutes, 24 seconds.
• To count from 1 to 20,421,270,579,144 would take you about one million, six hundred twenty-three thousand, three hundred thirty-three 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 20421270579144 cubic inches would be around 2277.8 feet tall.

Recreational maths with 20421270579144

• 20421270579144 backwards is 44197507212402
• The number of decimal digits it has is: 14
• The sum of 20421270579144's digits is 48
• More coming soon!