18163782312

Names of 18163782312

• Cardinal: 18163782312 can be written as Eighteen billion, one hundred sixty-three million, seven hundred eighty-two thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8163782312 × 10¹⁰

Factors of 18163782312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 292766

Divisors of 18163782312

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 199 312 398 597 796 1194 1592 2388 2587 4776 5174 7761 10348 15522 20696 31044 62088 292549 585098 877647 1170196 1755294 2340392 3510588 3803137 7021176 7606274 11409411 15212548 22818822 30425096 45637644 58217251 91275288 116434502 174651753 232869004 349303506 465738008 698607012 756824263 1397214024 1513648526 2270472789 3027297052 4540945578 6054594104 9081891156 18163782312
• Sum of all divisors σ(n): 49148400000
• Sum of proper divisors (its aliquot sum) s(n): 30984617688
• 18163782312 is an abundant number, because the sum of its proper divisors (30984617688) is greater than itself. Its abundance is 12820835376

Bases of 18163782312

• Binary: 10000111010101001010101001010101000₂
• Hexadecimal: 0x43AA552A8
• Base-36: 8CE8W4O

Squares and roots of 18163782312

• 18163782312 squared (18163782312²) is 329922987877724065344
• 18163782312 cubed (18163782312³) is 5992649331535594796912079395328
• The square root of 18163782312 is 134773.0771037007
• The cube root of 18163782312 is 2628.6661306089

Scales and comparisons

• 18,163,782,312 seconds is equal to 577 years, 28 weeks, 4 days, 23 hours, 5 minutes, 12 seconds.
• To count from 1 to 18,163,782,312 would take you about one thousand, one hundred fifty-five 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 18163782312 cubic inches would be around 219.1 feet tall.

Recreational maths with 18163782312

• 18163782312 backwards is 21328736181
• The number of decimal digits it has is: 11
• The sum of 18163782312's digits is 42
• More coming soon!