20161739

Names of 20161739

• Cardinal: 20161739 can be written as Twenty million, one hundred sixty-one thousand, seven hundred thirty-nine.

Scientific notation

• Scientific notation: 2.0161739 × 10⁷

Factors of 20161739

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2557

Divisors of 20161739

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 1013 1531 13169 19903 1550903 20161739
• Sum of all divisors σ(n): 21748272
• Sum of proper divisors (its aliquot sum) s(n): 1586533
• 20161739 is a deficient number, because the sum of its proper divisors (1586533) is less than itself. Its deficiency is 18575206

Bases of 20161739

• Binary: 1001100111010010011001011₂
• Hexadecimal: 0x133A4CB
• Base-36: C04WB

Squares and roots of 20161739

• 20161739 squared (20161739²) is 406495719504121
• 20161739 cubed (20161739³) is 8195660601259297026419
• The square root of 20161739 is 4490.1825129943
• The cube root of 20161739 is 272.1715100191

Scales and comparisons

• 20,161,739 seconds is equal to 33 weeks, 2 days, 8 hours, 28 minutes, 59 seconds.
• To count from 1 to 20,161,739 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 20161739 cubic inches would be around 22.7 feet tall.

Recreational maths with 20161739

• 20161739 backwards is 93716102
• The number of decimal digits it has is: 8
• The sum of 20161739's digits is 29
• More coming soon!