20616890

Names of 20616890

• Cardinal: 20616890 can be written as Twenty million, six hundred sixteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.061689 × 10⁷

Factors of 20616890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1166

Divisors of 20616890

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 7 10 14 35 70 383 766 769 1538 1915 2681 3830 3845 5362 5383 7690 10766 13405 26810 26915 53830 294527 589054 1472635 2061689 2945270 4123378 10308445 20616890
• Sum of all divisors σ(n): 42577920
• Sum of proper divisors (its aliquot sum) s(n): 21961030
• 20616890 is an abundant number, because the sum of its proper divisors (21961030) is greater than itself. Its abundance is 1344140

Bases of 20616890

• Binary: 1001110101001011010111010₂
• Hexadecimal: 0x13A96BA
• Base-36: C9W3E

Squares and roots of 20616890

• 20616890 squared (20616890²) is 425056153272100
• 20616890 cubed (20616890³) is 8763335955834025769000
• The square root of 20616890 is 4540.5825617425
• The cube root of 20616890 is 274.2043780357

Scales and comparisons

• 20,616,890 seconds is equal to 34 weeks, 14 hours, 54 minutes, 50 seconds.
• To count from 1 to 20,616,890 would take you about fifty-one 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 20616890 cubic inches would be around 22.9 feet tall.

Recreational maths with 20616890

• 20616890 backwards is 09861602
• The number of decimal digits it has is: 8
• The sum of 20616890's digits is 32
• More coming soon!