20420643000

Names of 20420643000

• Cardinal: 20420643000 can be written as Twenty billion, four hundred twenty million, six hundred forty-three thousand.

Scientific notation

• Scientific notation: 2.0420643 × 10¹⁰

Factors of 20420643000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2619

Divisors of 20420643000

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 2609 3000 5218 7827 10436 13045 15654 20872 26090 31308 39135 52180 62616 65225 78270 104360 130450 156540 195675 260900 313080 326125 391350 521800 652250 782700 978375 1304500 1565400 1956750 2609000 3913500 6806881 7827000 13613762 20420643 27227524 34034405 40841286 54455048 68068810 81682572 102103215 136137620 163365144 170172025 204206430 272275240 340344050 408412860 510516075 680688100 816825720 850860125 1021032150 1361376200 1701720250 2042064300 2552580375 3403440500 4084128600 5105160750 6806881000 10210321500 20420643000
• Sum of all divisors σ(n): 63736835760
• Sum of proper divisors (its aliquot sum) s(n): 43316192760
• 20420643000 is an abundant number, because the sum of its proper divisors (43316192760) is greater than itself. Its abundance is 22895549760

Bases of 20420643000

• Binary: 10011000001001010100100100010111000₂
• Hexadecimal: 0x4C12A48B8
• Base-36: 9DPX8ZC

Squares and roots of 20420643000

• 20420643000 squared (20420643000²) is 417002660533449000000
• 20420643000 cubed (20420643000³) is 8515462460803751587707000000000
• The square root of 20420643000 is 142900.8152530979
• The cube root of 20420643000 is 2733.3157527457

Scales and comparisons

• 20,420,643,000 seconds is equal to 649 years, 16 weeks, 2 days, 50 minutes.
• To count from 1 to 20,420,643,000 would take you about one thousand, two hundred ninety-eight 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 20420643000 cubic inches would be around 227.8 feet tall.

Recreational maths with 20420643000

• 20420643000 backwards is 00034602402
• The number of decimal digits it has is: 11
• The sum of 20420643000's digits is 21
• More coming soon!