18112493200

Names of 18112493200

• Cardinal: 18112493200 can be written as Eighteen billion, one hundred twelve million, four hundred ninety-three thousand, two hundred.

Scientific notation

• Scientific notation: 1.81124932 × 10¹⁰

Factors of 18112493200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 214821

Divisors of 18112493200

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 211 400 422 844 1055 1688 2110 3376 4220 5275 8440 10550 16880 21100 42200 84400 214603 429206 858412 1073015 1716824 2146030 3433648 4292060 5365075 8584120 10730150 17168240 21460300 42920600 45281233 85841200 90562466 181124932 226406165 362249864 452812330 724499728 905624660 1132030825 1811249320 2264061650 3622498640 4528123300 9056246600 18112493200
• Sum of all divisors σ(n): 43721702128
• Sum of proper divisors (its aliquot sum) s(n): 25609208928
• 18112493200 is an abundant number, because the sum of its proper divisors (25609208928) is greater than itself. Its abundance is 7496715728

Bases of 18112493200

• Binary: 10000110111100101101011011010010000₂
• Hexadecimal: 0x43796B690
• Base-36: 8BJPL74

Squares and roots of 18112493200

• 18112493200 squared (18112493200²) is 328062409920046240000
• 18112493200 cubed (18112493200³) is 5942028168852450065685568000000
• The square root of 18112493200 is 134582.6630736665
• The cube root of 18112493200 is 2626.1896080483

Scales and comparisons

• 18,112,493,200 seconds is equal to 575 years, 47 weeks, 6 days, 8 hours, 6 minutes, 40 seconds.
• To count from 1 to 18,112,493,200 would take you about one thousand, one hundred fifty-one years!

  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 18112493200 cubic inches would be around 218.8 feet tall.

Recreational maths with 18112493200

• 18112493200 backwards is 00239421181
• The number of decimal digits it has is: 11
• The sum of 18112493200's digits is 31
• More coming soon!