18345403089

Names of 18345403089

• Cardinal: 18345403089 can be written as Eighteen billion, three hundred forty-five million, four hundred three thousand and eighty-nine.

Scientific notation

• Scientific notation: 1.8345403089 × 10¹⁰

Factors of 18345403089

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9047

Divisors of 18345403089

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 19 39 57 71 117 169 171 213 247 507 639 741 923 1349 1521 2223 2769 3211 4047 8307 8941 9633 11999 12141 17537 26823 28899 35997 52611 80469 107991 116233 157833 169879 227981 348699 509637 634811 683943 1046097 1511029 1528911 1904433 2051829 2208427 4533087 5713299 6625281 8252543 12061409 13599261 19875843 24757629 28709551 36184227 74272887 86128653 107283059 108552681 156798317 258385959 321849177 470394951 965547531 1411184853 2038378121 6115134363 18345403089
• Sum of all divisors σ(n): 30633145920
• Sum of proper divisors (its aliquot sum) s(n): 12287742831
• 18345403089 is a deficient number, because the sum of its proper divisors (12287742831) is less than itself. Its deficiency is 6057660258

Bases of 18345403089

• Binary: 10001000101011110001010001011010001₂
• Hexadecimal: 0x44578A2D1
• Base-36: 8FEDNM9

Squares and roots of 18345403089

• 18345403089 squared (18345403089²) is 336553814497890741921
• 18345403089 cubed (18345403089³) is 6174215388104337800822015193969
• The square root of 18345403089 is 135445.2032705477
• The cube root of 18345403089 is 2637.3984879627

Scales and comparisons

• 18,345,403,089 seconds is equal to 583 years, 17 weeks, 1 hour, 18 minutes, 9 seconds.
• To count from 1 to 18,345,403,089 would take you about one thousand, one hundred sixty-six 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 18345403089 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345403089

• 18345403089 backwards is 98030454381
• The number of decimal digits it has is: 11
• The sum of 18345403089's digits is 45
• More coming soon!