20447028

Names of 20447028

• Cardinal: 20447028 can be written as Twenty million, four hundred forty-seven thousand and twenty-eight.

Scientific notation

• Scientific notation: 2.0447028 × 10⁷

Factors of 20447028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2032

Divisors of 20447028

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 41 42 63 82 84 123 126 164 246 252 287 369 492 574 738 861 1148 1476 1722 1979 2583 3444 3958 5166 5937 7916 10332 11874 13853 17811 23748 27706 35622 41559 55412 71244 81139 83118 124677 162278 166236 243417 249354 324556 486834 498708 567973 730251 973668 1135946 1460502 1703919 2271892 2921004 3407838 5111757 6815676 10223514 20447028
• Sum of all divisors σ(n): 60540480
• Sum of proper divisors (its aliquot sum) s(n): 40093452
• 20447028 is an abundant number, because the sum of its proper divisors (40093452) is greater than itself. Its abundance is 19646424

Bases of 20447028

• Binary: 1001101111111111100110100₂
• Hexadecimal: 0x137FF34
• Base-36: C6910

Squares and roots of 20447028

• 20447028 squared (20447028²) is 418080954032784
• 20447028 cubed (20447028³) is 8548512973375047365952
• The square root of 20447028 is 4521.8390064219
• The cube root of 20447028 is 273.4492462307

Scales and comparisons

• 20,447,028 seconds is equal to 33 weeks, 5 days, 15 hours, 43 minutes, 48 seconds.
• To count from 1 to 20,447,028 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 20447028 cubic inches would be around 22.8 feet tall.

Recreational maths with 20447028

• 20447028 backwards is 82074402
• The number of decimal digits it has is: 8
• The sum of 20447028's digits is 27
• More coming soon!