20466720

Names of 20466720

• Cardinal: 20466720 can be written as Twenty million, four hundred sixty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.046672 × 10⁷

Factors of 20466720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 304

Divisors of 20466720

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 61 72 80 90 96 120 122 144 160 180 183 233 240 244 288 305 360 366 466 480 488 549 610 699 720 732 915 932 976 1098 1165 1220 1398 1440 1464 1830 1864 1952 2097 2196 2330 2440 2745 2796 2928 3495 3660 3728 4194 4392 4660 4880 5490 5592 5856 6990 7320 7456 8388 8784 9320 9760 10485 10980 11184 13980 14213 14640 16776 17568 18640 20970 21960 22368 27960 28426 29280 33552 37280 41940 42639 43920 55920 56852 67104 71065 83880 85278 87840 111840 113704 127917 142130 167760 170556 213195 227408 255834 284260 335520 341112 426390 454816 511668 568520 639585 682224 852780 1023336 1137040 1279170 1364448 1705560 2046672 2274080 2558340 3411120 4093344 5116680 6822240 10233360 20466720
• Sum of all divisors σ(n): 71292312
• Sum of proper divisors (its aliquot sum) s(n): 50825592
• 20466720 is an abundant number, because the sum of its proper divisors (50825592) is greater than itself. Its abundance is 30358872

Bases of 20466720

• Binary: 1001110000100110000100000₂
• Hexadecimal: 0x1384C20
• Base-36: C6O80

Squares and roots of 20466720

• 20466720 squared (20466720²) is 418886627558400
• 20466720 cubed (20466720³) is 8573235317982056448000
• The square root of 20466720 is 4524.0159150913
• The cube root of 20466720 is 273.5370020133

Scales and comparisons

• 20,466,720 seconds is equal to 33 weeks, 5 days, 21 hours, 12 minutes.
• To count from 1 to 20,466,720 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 20466720 cubic inches would be around 22.8 feet tall.

Recreational maths with 20466720

• 20466720 backwards is 02766402
• The number of decimal digits it has is: 8
• The sum of 20466720's digits is 27
• More coming soon!