20317143

Names of 20317143

• Cardinal: 20317143 can be written as Twenty million, three hundred seventeen thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 2.0317143 × 10⁷

Factors of 20317143

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 615

Divisors of 20317143

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 11 21 33 77 231 281 313 843 939 1967 2191 3091 3443 5901 6573 9273 10329 21637 24101 64911 72303 87953 263859 615671 967483 1847013 2902449 6772381 20317143
• Sum of all divisors σ(n): 34002432
• Sum of proper divisors (its aliquot sum) s(n): 13685289
• 20317143 is a deficient number, because the sum of its proper divisors (13685289) is less than itself. Its deficiency is 6631854

Bases of 20317143

• Binary: 1001101100000001111010111₂
• Hexadecimal: 0x13603D7
• Base-36: C3GT3

Squares and roots of 20317143

• 20317143 squared (20317143²) is 412786299682449
• 20317143 cubed (20317143³) is 8386638279089170923207
• The square root of 20317143 is 4507.4541595007
• The cube root of 20317143 is 272.8690082571

Scales and comparisons

• 20,317,143 seconds is equal to 33 weeks, 4 days, 3 hours, 39 minutes, 3 seconds.
• To count from 1 to 20,317,143 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 20317143 cubic inches would be around 22.7 feet tall.

Recreational maths with 20317143

• 20317143 backwards is 34171302
• 20317143 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20317143's digits is 21
• More coming soon!