18141240

Names of 18141240

• Cardinal: 18141240 can be written as Eighteen million, one hundred forty-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.814124 × 10⁷

Factors of 18141240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 453

Divisors of 18141240

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 29 30 39 40 52 58 60 65 78 87 104 116 120 130 145 156 174 195 232 260 290 312 348 377 390 401 435 520 580 696 754 780 802 870 1131 1160 1203 1508 1560 1604 1740 1885 2005 2262 2406 3016 3208 3480 3770 4010 4524 4812 5213 5655 6015 7540 8020 9048 9624 10426 11310 11629 12030 15080 15639 16040 20852 22620 23258 24060 26065 31278 34887 41704 45240 46516 48120 52130 58145 62556 69774 78195 93032 104260 116290 125112 139548 151177 156390 174435 208520 232580 279096 302354 312780 348870 453531 465160 604708 625560 697740 755885 907062 1209416 1395480 1511770 1814124 2267655 3023540 3628248 4535310 6047080 9070620 18141240
• Sum of all divisors σ(n): 60782400
• Sum of proper divisors (its aliquot sum) s(n): 42641160
• 18141240 is an abundant number, because the sum of its proper divisors (42641160) is greater than itself. Its abundance is 24499920

Bases of 18141240

• Binary: 1000101001101000000111000₂
• Hexadecimal: 0x114D038
• Base-36: ASTVC

Squares and roots of 18141240

• 18141240 squared (18141240²) is 329104588737600
• 18141240 cubed (18141240³) is 5970365329390098624000
• The square root of 18141240 is 4259.2534557127
• The cube root of 18141240 is 262.7578237837

Scales and comparisons

• 18,141,240 seconds is equal to 29 weeks, 6 days, 23 hours, 14 minutes.
• To count from 1 to 18,141,240 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 18141240 cubic inches would be around 21.9 feet tall.

Recreational maths with 18141240

• 18141240 backwards is 04214181
• The number of decimal digits it has is: 8
• The sum of 18141240's digits is 21
• More coming soon!