13885845720

Names of 13885845720

• Cardinal: 13885845720 can be written as Thirteen billion, eight hundred eighty-five million, eight hundred forty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.388584572 × 10¹⁰

Factors of 13885845720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1061728

Divisors of 13885845720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 109 120 218 327 436 545 654 872 1090 1308 1635 2180 2616 3270 4360 6540 13080 1061609 2123218 3184827 4246436 5308045 6369654 8492872 10616090 12739308 15924135 21232180 25478616 31848270 42464360 63696540 115715381 127393080 231430762 347146143 462861524 578576905 694292286 925723048 1157153810 1388584572 1735730715 2314307620 2777169144 3471461430 4628615240 6942922860 13885845720
• Sum of all divisors σ(n): 42039756000
• Sum of proper divisors (its aliquot sum) s(n): 28153910280
• 13885845720 is an abundant number, because the sum of its proper divisors (28153910280) is greater than itself. Its abundance is 14268064560

Bases of 13885845720

• Binary: 1100111011101010010011000011011000₂
• Hexadecimal: 0x33BA930D8
• Base-36: 6DN9V4O

Squares and roots of 13885845720

• 13885845720 squared (13885845720²) is 192816711359642318400
• 13885845720 cubed (13885845720³) is 2677423106177764667685517248000
• The square root of 13885845720 is 117838.2184183043
• The cube root of 13885845720 is 2403.5737106609

Scales and comparisons

• 13,885,845,720 seconds is equal to 441 years, 27 weeks, 2 days, 19 hours, 22 minutes.
• To count from 1 to 13,885,845,720 would take you about eight hundred eighty-three 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 13885845720 cubic inches would be around 200.3 feet tall.

Recreational maths with 13885845720

• 13885845720 backwards is 02754858831
• The number of decimal digits it has is: 11
• The sum of 13885845720's digits is 51
• More coming soon!