20509230

Names of 20509230

• Cardinal: 20509230 can be written as Twenty million, five hundred nine thousand, two hundred thirty.

Scientific notation

• Scientific notation: 2.050923 × 10⁷

Factors of 20509230

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 913

Divisors of 20509230

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 127 210 254 381 635 762 769 889 1270 1538 1778 1905 2307 2667 3810 3845 4445 4614 5334 5383 7690 8890 10766 11535 13335 16149 23070 26670 26915 32298 53830 80745 97663 161490 195326 292989 488315 585978 683641 976630 1367282 1464945 2050923 2929890 3418205 4101846 6836410 10254615 20509230
• Sum of all divisors σ(n): 56770560
• Sum of proper divisors (its aliquot sum) s(n): 36261330
• 20509230 is an abundant number, because the sum of its proper divisors (36261330) is greater than itself. Its abundance is 15752100

Bases of 20509230

• Binary: 1001110001111001000101110₂
• Hexadecimal: 0x138F22E
• Base-36: C7L0U

Squares and roots of 20509230

• 20509230 squared (20509230²) is 420628515192900
• 20509230 cubed (20509230³) is 8626766962649680467000
• The square root of 20509230 is 4528.7117373487
• The cube root of 20509230 is 273.7262526053

Scales and comparisons

• 20,509,230 seconds is equal to 33 weeks, 6 days, 9 hours, 30 seconds.
• To count from 1 to 20,509,230 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 20509230 cubic inches would be around 22.8 feet tall.

Recreational maths with 20509230

• 20509230 backwards is 03290502
• 20509230 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20509230's digits is 21
• More coming soon!