18002250

Names of 18002250

• Cardinal: 18002250 can be written as Eighteen million, two thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.800225 × 10⁷

Factors of 18002250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 144

Divisors of 18002250

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 125 126 127 135 150 162 175 189 210 225 250 254 270 315 350 375 378 381 405 450 525 567 630 635 675 750 762 810 875 889 945 1050 1125 1134 1143 1270 1350 1575 1750 1778 1890 1905 2025 2250 2286 2625 2667 2835 3150 3175 3375 3429 3810 4050 4445 4725 5250 5334 5670 5715 6350 6750 6858 7875 8001 8890 9450 9525 10125 10287 11430 13335 14175 15750 15875 16002 17145 19050 20250 20574 22225 23625 24003 26670 28350 28575 31750 34290 40005 44450 47250 47625 48006 51435 57150 66675 70875 72009 80010 85725 95250 102870 111125 120015 133350 141750 142875 144018 171450 200025 222250 240030 257175 285750 333375 360045 400050 428625 514350 600075 666750 720090 857250 1000125 1200150 1285875 1800225 2000250 2571750 3000375 3600450 6000750 9001125 18002250
• Sum of all divisors σ(n): 57987072
• Sum of proper divisors (its aliquot sum) s(n): 39984822
• 18002250 is an abundant number, because the sum of its proper divisors (39984822) is greater than itself. Its abundance is 21982572

Bases of 18002250

• Binary: 1000100101011000101001010₂
• Hexadecimal: 0x112B14A
• Base-36: APUMI

Squares and roots of 18002250

• 18002250 squared (18002250²) is 324081005062500
• 18002250 cubed (18002250³) is 5834187273386390625000
• The square root of 18002250 is 4242.9058438765
• The cube root of 18002250 is 262.0850587217

Scales and comparisons

• 18,002,250 seconds is equal to 29 weeks, 5 days, 8 hours, 37 minutes, 30 seconds.
• To count from 1 to 18,002,250 would take you about forty-four 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 18002250 cubic inches would be around 21.8 feet tall.

Recreational maths with 18002250

• 18002250 backwards is 05220081
• 18002250 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18002250's digits is 18
• More coming soon!