20136390

Names of 20136390

• Cardinal: 20136390 can be written as Twenty million, one hundred thirty-six thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.013639 × 10⁷

Factors of 20136390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 35356

Divisors of 20136390

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 35327 70654 105981 176635 211962 353270 529905 671213 1059810 1342426 2013639 3356065 4027278 6712130 10068195 20136390
• Sum of all divisors σ(n): 50872320
• Sum of proper divisors (its aliquot sum) s(n): 30735930
• 20136390 is an abundant number, because the sum of its proper divisors (30735930) is greater than itself. Its abundance is 10599540

Bases of 20136390

• Binary: 1001100110100000111000110₂
• Hexadecimal: 0x13341C6
• Base-36: BZLC6

Squares and roots of 20136390

• 20136390 squared (20136390²) is 405474202232100
• 20136390 cubed (20136390³) is 8164786671084436119000
• The square root of 20136390 is 4487.3589114311
• The cube root of 20136390 is 272.0573966965

Scales and comparisons

• 20,136,390 seconds is equal to 33 weeks, 2 days, 1 hour, 26 minutes, 30 seconds.
• To count from 1 to 20,136,390 would take you about forty-nine 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 20136390 cubic inches would be around 22.7 feet tall.

Recreational maths with 20136390

• 20136390 backwards is 09363102
• The number of decimal digits it has is: 8
• The sum of 20136390's digits is 24
• More coming soon!