13855388913612895

Names of 13855388913612895

• Cardinal: 13855388913612895 can be written as Thirteen quadrillion, eight hundred fifty-five trillion, three hundred eighty-eight billion, nine hundred thirteen million, six hundred twelve thousand, eight hundred ninety-five.

Scientific notation

• Scientific notation: 1.3855388913612895 × 10¹⁶

Factors of 13855388913612895

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 129

Divisors of 13855388913612895

• Number of divisors d(n): 56
• Complete list of divisors:
  1 5 11 55 113 121 565 605 1243 1331 6215 6655 12769 13673 63845 68365 140459 150403 702295 752015 1442897 1545049 7214485 7725245 15871867 16995539 79359335 84977695 163047361 174590537 815236805 872952685 1793520971 1920495907 8967604855 9602479535 18424351793 19728730681 92121758965 98643653405 202667869723 217016037491 1013339348615 1085080187455 2081951752609 2229346566953 10409758763045 11146732834765 22901469278699 24522812236483 114507346393495 122614061182415 251916162065689 1259580810328445 2771077782722579 13855388913612895
• Sum of all divisors σ(n): 18451148696657712
• Sum of proper divisors (its aliquot sum) s(n): 4595759783044817
• 13855388913612895 is a deficient number, because the sum of its proper divisors (4595759783044817) is less than itself. Its deficiency is 9259629130568078

Bases of 13855388913612895

• Binary: 110001001110010110011100011110011010111011100001011111₂
• Hexadecimal: 0x3139671E6BB85F
• Base-36: 3SFBPSNMHCV

Squares and roots of 13855388913612895

• 13855388913612895 squared (13855388913612895²) is 191971801947467118745041910281025
• 13855388913612895 cubed (13855388913612895³) is 2659843976429226283046701017171296960877513817375
• The square root of 13855388913612895 is 117708916.0327835785
• The cube root of 13855388913612895 is 240181.5114942621
• Being both a perfect square and a perfect cube, 13855388913612895 is also a perfect sixth number.

Scales and comparisons

• 13,855,388,913,612,895 seconds is equal to 440,558,509 years, 47 weeks, 6 days, 6 hours, 14 minutes, 55 seconds.
• To count from 1 to 13,855,388,913,612,895 would take you about one billion, three hundred twenty-one million, six hundred seventy-five thousand, five hundred twenty-nine 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 13855388913612895 cubic inches would be around 20015.1 feet tall.

Recreational maths with 13855388913612895

• 13855388913612895 backwards is 59821631988355831
• The number of decimal digits it has is: 17
• The sum of 13855388913612895's digits is 85
• More coming soon!