20219472

Names of 20219472

• Cardinal: 20219472 can be written as Twenty million, two hundred nineteen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.0219472 × 10⁷

Factors of 20219472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1568

Divisors of 20219472

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1543 1638 1872 2184 3086 3276 4368 4629 6172 6552 9258 10801 12344 13104 13887 18516 20059 21602 24688 27774 32403 37032 40118 43204 55548 60177 64806 74064 80236 86408 97209 111096 120354 129612 140413 160472 172816 180531 194418 222192 240708 259224 280826 320944 361062 388836 421239 481416 518448 561652 722124 777672 842478 962832 1123304 1263717 1444248 1555344 1684956 2246608 2527434 2888496 3369912 5054868 6739824 10109736 20219472
• Sum of all divisors σ(n): 69689984
• Sum of proper divisors (its aliquot sum) s(n): 49470512
• 20219472 is an abundant number, because the sum of its proper divisors (49470512) is greater than itself. Its abundance is 29251040

Bases of 20219472

• Binary: 1001101001000011001010000₂
• Hexadecimal: 0x1348650
• Base-36: C1DG0

Squares and roots of 20219472

• 20219472 squared (20219472²) is 408827047958784
• 20219472 cubed (20219472³) is 8266267049045290242048
• The square root of 20219472 is 4496.6067206283
• The cube root of 20219472 is 272.4310495247

Scales and comparisons

• 20,219,472 seconds is equal to 33 weeks, 3 days, 31 minutes, 12 seconds.
• To count from 1 to 20,219,472 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 20219472 cubic inches would be around 22.7 feet tall.

Recreational maths with 20219472

• 20219472 backwards is 27491202
• The number of decimal digits it has is: 8
• The sum of 20219472's digits is 27
• More coming soon!