18643138907430124

Names of 18643138907430124

• Cardinal: 18643138907430124 can be written as Eighteen quadrillion, six hundred forty-three trillion, one hundred thirty-eight billion, nine hundred seven million, four hundred thirty thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 1.8643138907430124 × 10¹⁶

Factors of 18643138907430124

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11997978

Divisors of 18643138907430124

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 23 46 92 191 382 463 764 926 1852 4393 8786 10649 17572 21298 36481 42596 72962 88433 145924 176866 353732 839063 1678126 2033959 3356252 4067918 8135836 11997299 16890703 23994598 33781406 47989196 67562812 275937877 388486169 551875754 776972338 1103751508 1553944676 2291484109 4582968218 5554749437 9165936436 11109498874 22218997748 52704134507 105408269014 127759237051 210816538028 255518474102 437673464819 511036948204 875346929638 1060957142467 1750693859276 2121914284934 4243828569868 10066489690837 20132979381674 24402014276741 40265958763348 48804028553482 97608057106964 202642814211197 405285628422394 810571256844788 4660784726857531 9321569453715062 18643138907430124
• Sum of all divisors σ(n): 34297085771020800
• Sum of proper divisors (its aliquot sum) s(n): 15653946863590676
• 18643138907430124 is a deficient number, because the sum of its proper divisors (15653946863590676) is less than itself. Its deficiency is 2989192043839448

Bases of 18643138907430124

• Binary: 1000010001110111101011000001000000100110101110011101100₂
• Hexadecimal: 0x423BD608135CEC
• Base-36: 53KFVS1WGKS

Squares and roots of 18643138907430124

• 18643138907430124 squared (18643138907430124²) is 347566628321734877607653942655376
• 18643138907430124 cubed (18643138907430124³) is 6479732931389240358906394191806501742744732946624
• The square root of 18643138907430124 is 136539880.2820264817
• The cube root of 18643138907430124 is 265158.9833119041

Scales and comparisons

• 18,643,138,907,430,124 seconds is equal to 592,794,150 years, 12 weeks, 3 days, 20 hours, 22 minutes, 4 seconds.
• To count from 1 to 18,643,138,907,430,124 would take you about one billion, seven hundred seventy-eight million, three hundred eighty-two thousand, four hundred fifty 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 18643138907430124 cubic inches would be around 22096.6 feet tall.

Recreational maths with 18643138907430124

• 18643138907430124 backwards is 42103470983134681
• The number of decimal digits it has is: 17
• The sum of 18643138907430124's digits is 64
• More coming soon!