18252135

Names of 18252135

• Cardinal: 18252135 can be written as Eighteen million, two hundred fifty-two thousand, one hundred thirty-five.

Scientific notation

• Scientific notation: 1.8252135 × 10⁷

Factors of 18252135

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 277

Divisors of 18252135

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 11 15 17 27 33 45 51 55 81 85 99 135 153 165 187 241 255 297 405 459 495 561 723 765 891 935 1205 1377 1485 1683 2169 2295 2651 2805 3615 4097 4455 5049 6507 6885 7953 8415 10845 12291 13255 15147 19521 20485 23859 25245 32535 36873 39765 45067 61455 71577 75735 97605 110619 119295 135201 184365 214731 225335 331857 357885 405603 553095 676005 1073655 1216809 1659285 2028015 3650427 6084045 18252135
• Sum of all divisors σ(n): 37949472
• Sum of proper divisors (its aliquot sum) s(n): 19697337
• 18252135 is an abundant number, because the sum of its proper divisors (19697337) is greater than itself. Its abundance is 1445202

Bases of 18252135

• Binary: 1000101101000000101100111₂
• Hexadecimal: 0x1168167
• Base-36: AV7FR

Squares and roots of 18252135

• 18252135 squared (18252135²) is 333140432058225
• 18252135 cubed (18252135³) is 6080524139885050560375
• The square root of 18252135 is 4272.2517482003
• The cube root of 18252135 is 263.2921377991

Scales and comparisons

• 18,252,135 seconds is equal to 30 weeks, 1 day, 6 hours, 2 minutes, 15 seconds.
• To count from 1 to 18,252,135 would take you about forty-five 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 18252135 cubic inches would be around 21.9 feet tall.

Recreational maths with 18252135

• 18252135 backwards is 53125281
• 18252135 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18252135's digits is 27
• More coming soon!