20349138

Names of 20349138

• Cardinal: 20349138 can be written as Twenty million, three hundred forty-nine thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.0349138 × 10⁷

Factors of 20349138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 866

Divisors of 20349138

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 53 89 106 159 178 267 318 534 719 1438 2157 4314 4717 9434 14151 28302 38107 63991 76214 114321 127982 191973 228642 383946 3391523 6783046 10174569 20349138
• Sum of all divisors σ(n): 41990400
• Sum of proper divisors (its aliquot sum) s(n): 21641262
• 20349138 is an abundant number, because the sum of its proper divisors (21641262) is greater than itself. Its abundance is 1292124

Bases of 20349138

• Binary: 1001101101000000011010010₂
• Hexadecimal: 0x13680D2
• Base-36: C45HU

Squares and roots of 20349138

• 20349138 squared (20349138²) is 414087417343044
• 20349138 cubed (20349138³) is 8426321999577195696072
• The square root of 20349138 is 4511.0018842825
• The cube root of 20349138 is 273.0121692169

Scales and comparisons

• 20,349,138 seconds is equal to 33 weeks, 4 days, 12 hours, 32 minutes, 18 seconds.
• To count from 1 to 20,349,138 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 20349138 cubic inches would be around 22.8 feet tall.

Recreational maths with 20349138

• 20349138 backwards is 83194302
• The number of decimal digits it has is: 8
• The sum of 20349138's digits is 30
• More coming soon!