12680220

Names of 12680220

• Cardinal: 12680220 can be written as Twelve million, six hundred eighty thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.268022 × 10⁷

Factors of 12680220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 263

Divisors of 12680220

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 49 57 60 70 76 84 95 98 105 114 133 140 147 190 196 210 227 228 245 266 285 294 380 399 420 454 490 532 570 588 665 681 735 798 908 931 980 1135 1140 1330 1362 1470 1589 1596 1862 1995 2270 2660 2724 2793 2940 3178 3405 3724 3990 4313 4540 4655 4767 5586 6356 6810 7945 7980 8626 9310 9534 11123 11172 12939 13620 13965 15890 17252 18620 19068 21565 22246 23835 25878 27930 30191 31780 33369 43130 44492 47670 51756 55615 55860 60382 64695 66738 86260 90573 95340 111230 120764 129390 133476 150955 166845 181146 211337 222460 258780 301910 333690 362292 422674 452865 603820 634011 667380 845348 905730 1056685 1268022 1811460 2113370 2536044 3170055 4226740 6340110 12680220
• Sum of all divisors σ(n): 43666560
• Sum of proper divisors (its aliquot sum) s(n): 30986340
• 12680220 is an abundant number, because the sum of its proper divisors (30986340) is greater than itself. Its abundance is 18306120

Bases of 12680220

• Binary: 110000010111110000011100₂
• Hexadecimal: 0xC17C1C
• Base-36: 7JS4C

Squares and roots of 12680220

• 12680220 squared (12680220²) is 160787979248400
• 12680220 cubed (12680220³) is 2038826950225146648000
• The square root of 12680220 is 3560.9296538965
• The cube root of 12680220 is 233.1894668699

Scales and comparisons

• 12,680,220 seconds is equal to 20 weeks, 6 days, 18 hours, 17 minutes.
• To count from 1 to 12,680,220 would take you about thirty-one 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 12680220 cubic inches would be around 19.4 feet tall.

Recreational maths with 12680220

• 12680220 backwards is 02208621
• 12680220 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12680220's digits is 21
• More coming soon!