20642645244240

Names of 20642645244240

• Cardinal: 20642645244240 can be written as Twenty trillion, six hundred forty-two billion, six hundred forty-five million, two hundred forty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.064264524424 × 10¹³

Factors of 20642645244240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28670340627

Divisors of 20642645244240

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 28670340617 57340681234 86011021851 114681362468 143351703085 172022043702 229362724936 258033065553 286703406170 344044087404 430055109255 458725449872 516066131106 573406812340 688088174808 860110218510 1032132262212 1146813624680 1290165327765 1376176349616 1720220437020 2064264524424 2293627249360 2580330655530 3440440874040 4128529048848 5160661311060 6880881748080 10321322622120 20642645244240
• Sum of all divisors σ(n): 69324883614324
• Sum of proper divisors (its aliquot sum) s(n): 48682238370084
• 20642645244240 is an abundant number, because the sum of its proper divisors (48682238370084) is greater than itself. Its abundance is 28039593125844

Bases of 20642645244240

• Binary: 100101100011000111101100010010111100101010000₂
• Hexadecimal: 0x12C63D897950
• Base-36: 7BF3M01G0

Squares and roots of 20642645244240

• 20642645244240 squared (20642645244240²) is 426118802679544289253177600
• 20642645244240 cubed (20642645244240³) is 8796219275614137891282557525948097024000
• The square root of 20642645244240 is 4543417.7932741339
• The cube root of 20642645244240 is 27431.8511997245

Scales and comparisons

• 20,642,645,244,240 seconds is equal to 656,372 years, 13 weeks, 6 days, 3 hours, 24 minutes.
• To count from 1 to 20,642,645,244,240 would take you about one million, six hundred forty thousand, nine hundred thirty 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 20642645244240 cubic inches would be around 2286 feet tall.

Recreational maths with 20642645244240

• 20642645244240 backwards is 04244254624602
• 20642645244240 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20642645244240's digits is 45
• More coming soon!