12168090

Names of 12168090

• Cardinal: 12168090 can be written as Twelve million, one hundred sixty-eight thousand and ninety.

Scientific notation

• Scientific notation: 1.216809 × 10⁷

Factors of 12168090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 279

Divisors of 12168090

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 17 18 22 27 30 33 34 45 51 54 55 66 85 90 99 102 110 135 153 165 170 187 198 241 255 270 297 306 330 374 459 482 495 510 561 594 723 765 918 935 990 1122 1205 1446 1485 1530 1683 1870 2169 2295 2410 2651 2805 2970 3366 3615 4097 4338 4590 5049 5302 5610 6507 7230 7953 8194 8415 10098 10845 12291 13014 13255 15906 16830 20485 21690 23859 24582 25245 26510 32535 36873 39765 40970 45067 47718 50490 61455 65070 71577 73746 79530 90134 110619 119295 122910 135201 143154 184365 221238 225335 238590 270402 357885 368730 405603 450670 553095 676005 715770 811206 1106190 1216809 1352010 2028015 2433618 4056030 6084045 12168090
• Sum of all divisors σ(n): 37635840
• Sum of proper divisors (its aliquot sum) s(n): 25467750
• 12168090 is an abundant number, because the sum of its proper divisors (25467750) is greater than itself. Its abundance is 13299660

Bases of 12168090

• Binary: 101110011010101110011010₂
• Hexadecimal: 0xB9AB9A
• Base-36: 78SYI

Squares and roots of 12168090

• 12168090 squared (12168090²) is 148062414248100
• 12168090 cubed (12168090³) is 1801636782188163129000
• The square root of 12168090 is 3488.2789452679
• The cube root of 12168090 is 230.0068680999

Scales and comparisons

• 12,168,090 seconds is equal to 20 weeks, 20 hours, 1 minute, 30 seconds.
• To count from 1 to 12,168,090 would take you about thirty 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 12168090 cubic inches would be around 19.2 feet tall.

Recreational maths with 12168090

• 12168090 backwards is 09086121
• 12168090 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12168090's digits is 27
• More coming soon!