18676684652409

Names of 18676684652409

• Cardinal: 18676684652409 can be written as Eighteen trillion, six hundred seventy-six billion, six hundred eighty-four million, six hundred fifty-two thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.8676684652409 × 10¹³

Factors of 18676684652409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 29409

Divisors of 18676684652409

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 7 9 21 49 63 147 343 441 1029 2401 3087 7203 21609 29399 88197 205793 264591 617379 1440551 1852137 4321653 10083857 12964959 30251571 70586999 90754713 211760997 635282991 864301201 2592903603 6050108407 7778710809 18150325221 42350758849 54450975663 127052276547 296455311943 381156829641 889365935829 2075187183601 2668097807487 6225561550803 18676684652409
• Sum of all divisors σ(n): 31472870174213
• Sum of proper divisors (its aliquot sum) s(n): 12796185521804
• 18676684652409 is a deficient number, because the sum of its proper divisors (12796185521804) is less than itself. Its deficiency is 5880499130605

Bases of 18676684652409

• Binary: 100001111110010000001001001110111111101111001₂
• Hexadecimal: 0x10FC81277F79
• Base-36: 6MBY7TOC9

Squares and roots of 18676684652409

• 18676684652409 squared (18676684652409²) is 348818549605529889149503281
• 18676684652409 cubed (18676684652409³) is 6514774051893167521794450986338490053929
• 18676684652409 is a perfect square number. Its square root is 4321653
• The cube root of 18676684652409 is 26531.7926966259

Scales and comparisons

• 18,676,684,652,409 seconds is equal to 593,860 years, 41 weeks, 4 days, 15 hours, 9 seconds.
• To count from 1 to 18,676,684,652,409 would take you about one million, four hundred eighty-four thousand, six hundred fifty-two 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 18676684652409 cubic inches would be around 2211 feet tall.

Recreational maths with 18676684652409

• 18676684652409 backwards is 90425648667681
• The number of decimal digits it has is: 14
• The sum of 18676684652409's digits is 72
• More coming soon!