18242368815

Names of 18242368815

• Cardinal: 18242368815 can be written as Eighteen billion, two hundred forty-two million, three hundred sixty-eight thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.8242368815 × 10¹⁰

Factors of 18242368815

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8440

Divisors of 18242368815

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 11 15 33 37 55 111 165 185 373 407 555 1119 1221 1865 2035 4103 5595 6105 8011 12309 13801 20515 24033 40055 41403 61545 69005 88121 120165 151811 207015 264363 296407 440605 455433 759055 889221 1321815 1482035 2277165 2988103 3260477 4446105 8964309 9781431 14940515 16302385 32869133 44821545 48907155 98607399 110559811 164345665 331679433 493036995 552799055 1216157921 1658397165 3648473763 6080789605 18242368815
• Sum of all divisors σ(n): 32793564672
• Sum of proper divisors (its aliquot sum) s(n): 14551195857
• 18242368815 is a deficient number, because the sum of its proper divisors (14551195857) is less than itself. Its deficiency is 3691172958

Bases of 18242368815

• Binary: 10000111111010101000111010100101111₂
• Hexadecimal: 0x43F54752F
• Base-36: 8DP19V3

Squares and roots of 18242368815

• 18242368815 squared (18242368815²) is 332784019982484504225
• 18242368815 cubed (18242368815³) is 6070768828258812166094875743375
• The square root of 18242368815 is 135064.3136250283
• The cube root of 18242368815 is 2632.4516944011

Scales and comparisons

• 18,242,368,815 seconds is equal to 580 years, 2 weeks, 4 days, 12 hours, 40 minutes, 15 seconds.
• To count from 1 to 18,242,368,815 would take you about one thousand, one hundred sixty 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 18242368815 cubic inches would be around 219.4 feet tall.

Recreational maths with 18242368815

• 18242368815 backwards is 51886324281
• The number of decimal digits it has is: 11
• The sum of 18242368815's digits is 48
• More coming soon!