18368400639039

Names of 18368400639039

• Cardinal: 18368400639039 can be written as Eighteen trillion, three hundred sixty-eight billion, four hundred million, six hundred thirty-nine thousand and thirty-nine.

Scientific notation

• Scientific notation: 1.8368400639039 × 10¹³

Factors of 18368400639039

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 67

Divisors of 18368400639039

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 11 33 53 121 159 363 583 1331 1749 2809 3993 6413 8427 14641 19239 30899 43923 70543 92697 148877 211629 339889 446631 775973 1019667 1637647 2327919 3738779 4912941 7890481 11216337 18014117 23671443 41126569 54042351 86795291 123379707 198155287 260385873 418195493 594465861 954748201 1254586479 2179708157 2864244603 4600150423 6539124471 10502230211 13800451269 31506690633 50601654653 115524532321 151804963959 346573596963 556618201183 1669854603549 6122800213013 18368400639039
• Sum of all divisors σ(n): 27458233535880
• Sum of proper divisors (its aliquot sum) s(n): 9089832896841
• 18368400639039 is a deficient number, because the sum of its proper divisors (9089832896841) is less than itself. Its deficiency is 9278567742198

Bases of 18368400639039

• Binary: 100001011010010111001111111101100010000111111₂
• Hexadecimal: 0x10B4B9FEC43F
• Base-36: 6IEBRHD8F

Squares and roots of 18368400639039

• 18368400639039 squared (18368400639039²) is 337398142036248343570843521
• 18368400639039 cubed (18368400639039³) is 6197464247789195362748787358304672816319
• The square root of 18368400639039 is 4285837.2156486531
• The cube root of 18368400639039 is 26385.0009683549

Scales and comparisons

• 18,368,400,639,039 seconds is equal to 584,058 years, 16 weeks, 5 days, 14 hours, 50 minutes, 39 seconds.
• To count from 1 to 18,368,400,639,039 would take you about one million, four hundred sixty thousand, one hundred forty-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 18368400639039 cubic inches would be around 2198.8 feet tall.

Recreational maths with 18368400639039

• 18368400639039 backwards is 93093600486381
• The number of decimal digits it has is: 14
• The sum of 18368400639039's digits is 60
• More coming soon!