20366990

Names of 20366990

• Cardinal: 20366990 can be written as Twenty million, three hundred sixty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.036699 × 10⁷

Factors of 20366990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 249

Divisors of 20366990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 29 35 58 70 79 127 145 158 203 254 290 395 406 553 635 790 889 1015 1106 1270 1778 2030 2291 2765 3683 4445 4582 5530 7366 8890 10033 11455 16037 18415 20066 22910 25781 32074 36830 50165 51562 70231 80185 100330 128905 140462 160370 257810 290957 351155 581914 702310 1454785 2036699 2909570 4073398 10183495 20366990
• Sum of all divisors σ(n): 44236800
• Sum of proper divisors (its aliquot sum) s(n): 23869810
• 20366990 is an abundant number, because the sum of its proper divisors (23869810) is greater than itself. Its abundance is 3502820

Bases of 20366990

• Binary: 1001101101100011010001110₂
• Hexadecimal: 0x136C68E
• Base-36: C4J9Q

Squares and roots of 20366990

• 20366990 squared (20366990²) is 414814281660100
• 20366990 cubed (20366990³) is 8448518326428440099000
• The square root of 20366990 is 4512.9801683589
• The cube root of 20366990 is 273.0919824045

Scales and comparisons

• 20,366,990 seconds is equal to 33 weeks, 4 days, 17 hours, 29 minutes, 50 seconds.
• To count from 1 to 20,366,990 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 20366990 cubic inches would be around 22.8 feet tall.

Recreational maths with 20366990

• 20366990 backwards is 09966302
• 20366990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20366990's digits is 35
• More coming soon!