18238700032

Names of 18238700032

• Cardinal: 18238700032 can be written as Eighteen billion, two hundred thirty-eight million, seven hundred thousand and thirty-two.

Scientific notation

• Scientific notation: 1.8238700032 × 10¹⁰

Factors of 18238700032

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 726998

Divisors of 18238700032

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1568 1792 3136 3584 6272 12544 25088 726989 1453978 2907956 5088923 5815912 10177846 11631824 20355692 23263648 35622461 40711384 46527296 71244922 81422768 93054592 142489844 162845536 186109184 284979688 325691072 372218368 569959376 651382144 1139918752 1302764288 2279837504 2605528576 4559675008 9119350016 18238700032
• Sum of all divisors σ(n): 42391513890
• Sum of proper divisors (its aliquot sum) s(n): 24152813858
• 18238700032 is an abundant number, because the sum of its proper divisors (24152813858) is greater than itself. Its abundance is 5914113826

Bases of 18238700032

• Binary: 10000111111000111000111101000000000₂
• Hexadecimal: 0x43F1C7A00
• Base-36: 8DMUN0G

Squares and roots of 18238700032

• 18238700032 squared (18238700032²) is 332650178857276801024
• 18238700032 cubed (18238700032³) is 6067106827769020114269286432768
• The square root of 18238700032 is 135050.7313271573
• The cube root of 18238700032 is 2632.2752088865

Scales and comparisons

• 18,238,700,032 seconds is equal to 579 years, 48 weeks, 4 days, 1 hour, 33 minutes, 52 seconds.
• To count from 1 to 18,238,700,032 would take you about one thousand, one hundred fifty-nine 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 18238700032 cubic inches would be around 219.4 feet tall.

Recreational maths with 18238700032

• 18238700032 backwards is 23000783281
• The number of decimal digits it has is: 11
• The sum of 18238700032's digits is 34
• More coming soon!