20479220

Names of 20479220

• Cardinal: 20479220 can be written as Twenty million, four hundred seventy-nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.047922 × 10⁷

Factors of 20479220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 151

Divisors of 20479220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 17 20 29 31 34 58 62 67 68 85 116 124 134 145 155 170 268 290 310 335 340 493 527 580 620 670 899 986 1054 1139 1340 1798 1943 1972 2077 2108 2278 2465 2635 3596 3886 4154 4495 4556 4930 5270 5695 7772 8308 8990 9715 9860 10385 10540 11390 15283 17980 19430 20770 22780 30566 33031 35309 38860 41540 60233 61132 66062 70618 76415 120466 132124 141236 152830 165155 176545 240932 301165 305660 330310 353090 602330 660620 706180 1023961 1204660 2047922 4095844 5119805 10239610 20479220
• Sum of all divisors σ(n): 49351680
• Sum of proper divisors (its aliquot sum) s(n): 28872460
• 20479220 is an abundant number, because the sum of its proper divisors (28872460) is greater than itself. Its abundance is 8393240

Bases of 20479220

• Binary: 1001110000111110011110100₂
• Hexadecimal: 0x1387CF4
• Base-36: C6XV8

Squares and roots of 20479220

• 20479220 squared (20479220²) is 419398451808400
• 20479220 cubed (20479220³) is 8588953162243621448000
• The square root of 20479220 is 4525.3972201343
• The cube root of 20479220 is 273.5926780355

Scales and comparisons

• 20,479,220 seconds is equal to 33 weeks, 6 days, 40 minutes, 20 seconds.
• To count from 1 to 20,479,220 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 20479220 cubic inches would be around 22.8 feet tall.

Recreational maths with 20479220

• 20479220 backwards is 02297402
• The number of decimal digits it has is: 8
• The sum of 20479220's digits is 26
• More coming soon!