20394220

Names of 20394220

• Cardinal: 20394220 can be written as Twenty million, three hundred ninety-four thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.039422 × 10⁷

Factors of 20394220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 102

Divisors of 20394220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 11 14 17 19 20 22 28 34 35 38 41 44 55 68 70 76 77 82 85 95 110 119 133 140 154 164 170 187 190 205 209 220 238 266 287 308 323 340 374 380 385 410 418 451 476 532 574 595 646 665 697 748 770 779 820 836 902 935 1045 1148 1190 1292 1309 1330 1394 1435 1463 1540 1558 1615 1804 1870 2090 2255 2261 2380 2618 2660 2788 2870 2926 3116 3157 3230 3485 3553 3740 3895 4180 4510 4522 4879 5236 5453 5740 5852 6314 6460 6545 6970 7106 7315 7667 7790 8569 9020 9044 9758 10906 11305 12628 13090 13243 13940 14212 14630 15334 15580 15785 17138 17765 19516 21812 22610 24395 24871 26180 26486 27265 29260 30668 31570 34276 35530 38335 42845 45220 48790 49742 52972 53669 54530 59983 63140 66215 71060 76670 85690 92701 97580 99484 107338 109060 119966 124355 132430 145673 153340 171380 185402 214676 239932 248710 264860 268345 291346 299915 370804 463505 497420 536690 582692 599830 728365 927010 1019711 1073380 1199660 1456730 1854020 2039422 2913460 4078844 5098555 10197110 20394220
• Sum of all divisors σ(n): 60963840
• Sum of proper divisors (its aliquot sum) s(n): 40569620
• 20394220 is an abundant number, because the sum of its proper divisors (40569620) is greater than itself. Its abundance is 20175400

Bases of 20394220

• Binary: 1001101110011000011101100₂
• Hexadecimal: 0x13730EC
• Base-36: C54A4

Squares and roots of 20394220

• 20394220 squared (20394220²) is 415924209408400
• 20394220 cubed (20394220³) is 8482449830000979448000
• The square root of 20394220 is 4515.9960141699
• The cube root of 20394220 is 273.2136332243

Scales and comparisons

• 20,394,220 seconds is equal to 33 weeks, 5 days, 1 hour, 3 minutes, 40 seconds.
• To count from 1 to 20,394,220 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 20394220 cubic inches would be around 22.8 feet tall.

Recreational maths with 20394220

• 20394220 backwards is 02249302
• 20394220 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20394220's digits is 22
• More coming soon!