12105450

Names of 12105450

• Cardinal: 12105450 can be written as Twelve million, one hundred five thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.210545 × 10⁷

Factors of 12105450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 78

Divisors of 12105450

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 49 50 54 61 63 70 75 81 90 98 105 122 126 135 147 150 162 175 183 189 210 225 245 270 294 305 315 350 366 378 405 427 441 450 490 525 549 567 610 630 675 735 810 854 882 915 945 1050 1098 1134 1225 1281 1323 1350 1470 1525 1575 1647 1830 1890 2025 2135 2205 2450 2562 2646 2745 2835 2989 3050 3150 3294 3675 3843 3969 4050 4270 4410 4575 4725 4941 5490 5670 5978 6405 6615 7350 7686 7938 8235 8967 9150 9450 9882 10675 11025 11529 12810 13230 13725 14175 14945 16470 17934 19215 19845 21350 22050 23058 24705 26901 27450 28350 29890 32025 33075 34587 38430 39690 41175 44835 49410 53802 57645 64050 66150 69174 74725 80703 82350 89670 96075 99225 115290 123525 134505 149450 161406 172935 192150 198450 224175 242109 247050 269010 288225 345870 403515 448350 484218 576450 672525 807030 864675 1210545 1345050 1729350 2017575 2421090 4035150 6052725 12105450
• Sum of all divisors σ(n): 39768102
• Sum of proper divisors (its aliquot sum) s(n): 27662652
• 12105450 is an abundant number, because the sum of its proper divisors (27662652) is greater than itself. Its abundance is 15557202

Bases of 12105450

• Binary: 101110001011011011101010₂
• Hexadecimal: 0xB8B6EA
• Base-36: 77GMI

Squares and roots of 12105450

• 12105450 squared (12105450²) is 146541919702500
• 12105450 cubed (12105450³) is 1773955881862628625000
• The square root of 12105450 is 3479.2887204137
• The cube root of 12105450 is 229.6115054715

Scales and comparisons

• 12,105,450 seconds is equal to 20 weeks, 2 hours, 37 minutes, 30 seconds.
• To count from 1 to 12,105,450 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 12105450 cubic inches would be around 19.1 feet tall.

Recreational maths with 12105450

• 12105450 backwards is 05450121
• 12105450 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12105450's digits is 18
• More coming soon!