18492243168

Names of 18492243168

• Cardinal: 18492243168 can be written as Eighteen billion, four hundred ninety-two million, two hundred forty-three thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8492243168 × 10¹⁰

Factors of 18492243168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27518231

Divisors of 18492243168

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 27518219 55036438 82554657 110072876 165109314 192627533 220145752 330218628 385255066 440291504 577882599 660437256 770510132 880583008 1155765198 1320874512 1541020264 2311530396 2641749024 3082040528 4623060792 6164081056 9246121584 18492243168
• Sum of all divisors σ(n): 55476731520
• Sum of proper divisors (its aliquot sum) s(n): 36984488352
• 18492243168 is an abundant number, because the sum of its proper divisors (36984488352) is greater than itself. Its abundance is 18492245184

Bases of 18492243168

• Binary: 10001001110001110010011110011100000₂
• Hexadecimal: 0x44E393CE0
• Base-36: 8HTSY5C

Squares and roots of 18492243168

• 18492243168 squared (18492243168²) is 341963057384442676224
• 18492243168 cubed (18492243168³) is 6323664011625852028890900037632
• The square root of 18492243168 is 135986.1874162225
• The cube root of 18492243168 is 2644.4165421051

Scales and comparisons

• 18,492,243,168 seconds is equal to 587 years, 51 weeks, 5 days, 14 hours, 12 minutes, 48 seconds.
• To count from 1 to 18,492,243,168 would take you about one thousand, one hundred seventy-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 18492243168 cubic inches would be around 220.4 feet tall.

Recreational maths with 18492243168

• 18492243168 backwards is 86134229481
• 18492243168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18492243168's digits is 48
• More coming soon!