27945450

Names of 27945450

• Cardinal: 27945450 can be written as Twenty-seven million, nine hundred forty-five thousand, four hundred fifty.

Scientific notation

• Scientific notation: 2.794545 × 10⁷

Factors of 27945450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 321

Divisors of 27945450

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 25 26 30 34 39 45 50 51 65 75 78 85 90 102 117 130 150 153 170 195 221 225 234 255 281 306 325 390 425 442 450 510 562 585 650 663 765 843 850 975 1105 1170 1275 1326 1405 1530 1686 1950 1989 2210 2529 2550 2810 2925 3315 3653 3825 3978 4215 4777 5058 5525 5850 6630 7025 7306 7650 8430 9554 9945 10959 11050 12645 14050 14331 16575 18265 19890 21075 21918 23885 25290 28662 32877 33150 36530 42150 42993 47770 49725 54795 62101 63225 65754 71655 85986 91325 99450 109590 119425 124202 126450 143310 164385 182650 186303 214965 238850 273975 310505 328770 358275 372606 429930 547950 558909 621010 716550 821925 931515 1074825 1117818 1552525 1643850 1863030 2149650 2794545 3105050 4657575 5589090 9315150 13972725 27945450
• Sum of all divisors σ(n): 85916376
• Sum of proper divisors (its aliquot sum) s(n): 57970926
• 27945450 is an abundant number, because the sum of its proper divisors (57970926) is greater than itself. Its abundance is 30025476

Bases of 27945450

• Binary: 1101010100110100111101010₂
• Hexadecimal: 0x1AA69EA
• Base-36: GMYUI

Squares and roots of 27945450

• 27945450 squared (27945450²) is 780948175702500
• 27945450 cubed (27945450³) is 21823948196685428625000
• The square root of 27945450 is 5286.3456186669
• The cube root of 27945450 is 303.4615714539

Scales and comparisons

• 27,945,450 seconds is equal to 46 weeks, 1 day, 10 hours, 37 minutes, 30 seconds.
• To count from 1 to 27,945,450 would take you about seventeen 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 27945450 cubic inches would be around 25.3 feet tall.

Recreational maths with 27945450

• 27945450 backwards is 05454972
• The number of decimal digits it has is: 8
• The sum of 27945450's digits is 36
• More coming soon!