20542746

Names of 20542746

• Cardinal: 20542746 can be written as Twenty million, five hundred forty-two thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 2.0542746 × 10⁷

Factors of 20542746

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 489125

Divisors of 20542746

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 489113 978226 1467339 2934678 3423791 6847582 10271373 20542746
• Sum of all divisors σ(n): 46954944
• Sum of proper divisors (its aliquot sum) s(n): 26412198
• 20542746 is an abundant number, because the sum of its proper divisors (26412198) is greater than itself. Its abundance is 5869452

Bases of 20542746

• Binary: 1001110010111010100011010₂
• Hexadecimal: 0x139751A
• Base-36: C8AVU

Squares and roots of 20542746

• 20542746 squared (20542746²) is 422004413220516
• 20542746 cubed (20542746³) is 8669129471668102176936
• The square root of 20542746 is 4532.4106168793
• The cube root of 20542746 is 273.8752784529

Scales and comparisons

• 20,542,746 seconds is equal to 33 weeks, 6 days, 18 hours, 19 minutes, 6 seconds.
• To count from 1 to 20,542,746 would take you about fifty weeks!

  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 20542746 cubic inches would be around 22.8 feet tall.

Recreational maths with 20542746

• 20542746 backwards is 64724502
• The number of decimal digits it has is: 8
• The sum of 20542746's digits is 30
• More coming soon!