20123620

Names of 20123620

• Cardinal: 20123620 can be written as Twenty million, one hundred twenty-three thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.012362 × 10⁷

Factors of 20123620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 179

Divisors of 20123620

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 20 22 23 41 44 46 55 82 92 97 110 115 164 194 205 220 230 253 388 410 451 460 485 506 820 902 943 970 1012 1067 1265 1804 1886 1940 2134 2231 2255 2530 3772 3977 4268 4462 4510 4715 5060 5335 7954 8924 9020 9430 10373 10670 11155 15908 18860 19885 20746 21340 22310 24541 39770 41492 43747 44620 49082 51865 79540 87494 91471 98164 103730 122705 174988 182942 207460 218735 245410 365884 437470 457355 490820 874940 914710 1006181 1829420 2012362 4024724 5030905 10061810 20123620
• Sum of all divisors σ(n): 49787136
• Sum of proper divisors (its aliquot sum) s(n): 29663516
• 20123620 is an abundant number, because the sum of its proper divisors (29663516) is greater than itself. Its abundance is 9539896

Bases of 20123620

• Binary: 1001100110000111111100100₂
• Hexadecimal: 0x1330FE4
• Base-36: BZBHG

Squares and roots of 20123620

• 20123620 squared (20123620²) is 404960081904400
• 20123620 cubed (20123620³) is 8149262803413021928000
• The square root of 20123620 is 4485.9357998081
• The cube root of 20123620 is 271.9998738467

Scales and comparisons

• 20,123,620 seconds is equal to 33 weeks, 1 day, 21 hours, 53 minutes, 40 seconds.
• To count from 1 to 20,123,620 would take you about forty-nine 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 20123620 cubic inches would be around 22.7 feet tall.

Recreational maths with 20123620

• 20123620 backwards is 02632102
• The number of decimal digits it has is: 8
• The sum of 20123620's digits is 16
• More coming soon!