18007745544

Names of 18007745544

• Cardinal: 18007745544 can be written as Eighteen billion, seven million, seven hundred forty-five thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8007745544 × 10¹⁰

Factors of 18007745544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3884

Divisors of 18007745544

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 127 254 381 508 631 762 1016 1143 1262 1524 1893 2286 2524 3048 3121 3786 4572 5048 5679 6242 7572 9144 9363 11358 12484 15144 18726 22716 24968 28089 37452 45432 56178 74904 80137 112356 160274 224712 240411 320548 396367 480822 641096 721233 792734 961644 1189101 1442466 1585468 1923288 1969351 2378202 2884932 3170936 3567303 3938702 4756404 5769864 5908053 7134606 7877404 9512808 11816106 14269212 15754808 17724159 23632212 28538424 35448318 47264424 70896636 141793272 250107577 500215154 750322731 1000430308 1500645462 2000860616 2250968193 3001290924 4501936386 6002581848 9003872772 18007745544
• Sum of all divisors σ(n): 49248675840
• Sum of proper divisors (its aliquot sum) s(n): 31240930296
• 18007745544 is an abundant number, because the sum of its proper divisors (31240930296) is greater than itself. Its abundance is 13233184752

Bases of 18007745544

• Binary: 10000110001010110000110010000001000₂
• Hexadecimal: 0x431586408
• Base-36: 89TCHE0

Squares and roots of 18007745544

• 18007745544 squared (18007745544²) is 324278899577451855936
• 18007745544 cubed (18007745544³) is 5839531908879082141606033949184
• The square root of 18007745544 is 134192.9414835223
• The cube root of 18007745544 is 2621.1172489655

Scales and comparisons

• 18,007,745,544 seconds is equal to 572 years, 30 weeks, 4 days, 23 hours, 32 minutes, 24 seconds.
• To count from 1 to 18,007,745,544 would take you about one thousand, one hundred forty-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 18007745544 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007745544

• 18007745544 backwards is 44554770081
• The number of decimal digits it has is: 11
• The sum of 18007745544's digits is 45
• More coming soon!