20320020

Names of 20320020

• Cardinal: 20320020 can be written as Twenty million, three hundred twenty thousand and twenty.

Scientific notation

• Scientific notation: 2.032002 × 10⁷

Factors of 20320020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 16144

Divisors of 20320020

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 16127 32254 48381 64508 80635 96762 112889 145143 161270 193524 225778 241905 290286 322540 338667 451556 483810 564445 580572 677334 725715 967620 1016001 1128890 1354668 1451430 1693335 2032002 2257780 2902860 3386670 4064004 5080005 6773340 10160010 20320020
• Sum of all divisors σ(n): 70447104
• Sum of proper divisors (its aliquot sum) s(n): 50127084
• 20320020 is an abundant number, because the sum of its proper divisors (50127084) is greater than itself. Its abundance is 29807064

Bases of 20320020

• Binary: 1001101100000111100010100₂
• Hexadecimal: 0x1360F14
• Base-36: C3J10

Squares and roots of 20320020

• 20320020 squared (20320020²) is 412903212800400
• 20320020 cubed (20320020³) is 8390201542168384008000
• The square root of 20320020 is 4507.7732862245
• The cube root of 20320020 is 272.8818874809

Scales and comparisons

• 20,320,020 seconds is equal to 33 weeks, 4 days, 4 hours, 27 minutes.
• To count from 1 to 20,320,020 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 20320020 cubic inches would be around 22.7 feet tall.

Recreational maths with 20320020

• 20320020 backwards is 02002302
• 20320020 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20320020's digits is 9
• More coming soon!