18354311129718915

Names of 18354311129718915

• Cardinal: 18354311129718915 can be written as Eighteen quadrillion, three hundred fifty-four trillion, three hundred eleven billion, one hundred twenty-nine million, seven hundred eighteen thousand, nine hundred fifteen.

Scientific notation

• Scientific notation: 1.8354311129718915 × 10¹⁶

Factors of 18354311129718915

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13580244476

Divisors of 18354311129718915

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 13 15 29 39 65 87 145 195 239 377 435 717 1131 1195 1885 3107 3585 5655 6931 9321 15535 20793 34655 46605 90103 103965 270309 450515 1351545 13580244187 40740732561 67901220935 176543174431 203703662805 393827081423 529629523293 882715872155 1181481244269 1969135407115 2648147616465 3245678360693 5119752058499 5907406221345 9737035082079 15359256175497 16228391803465 25598760292495 42193818689009 48685175410395 76796280877485 94124672460097 126581456067027 210969093445045 282374017380291 470623362300485 632907280335135 1223620741981261 1411870086901455 3670862225943783 6118103709906305 18354311129718915
• Sum of all divisors σ(n): 32853326739609600
• Sum of proper divisors (its aliquot sum) s(n): 14499015609890685
• 18354311129718915 is a deficient number, because the sum of its proper divisors (14499015609890685) is less than itself. Its deficiency is 3855295519828230

Bases of 18354311129718915

• Binary: 1000001001101010010011000010010111110111110000010000011₂
• Hexadecimal: 0x41352612FBE083
• Base-36: 50Q264OD4LF

Squares and roots of 18354311129718915

• 18354311129718915 squared (18354311129718915²) is 336880737046523633812126908777225
• 18354311129718915 cubed (18354311129718915³) is 6183213861360919937913243155132233815860603710875
• The square root of 18354311129718915 is 135478083.5770823671
• The cube root of 18354311129718915 is 263782.5302450309

Scales and comparisons

• 18,354,311,129,718,915 seconds is equal to 583,610,320 years, 16 weeks, 1 day, 23 hours, 15 minutes, 15 seconds.
• To count from 1 to 18,354,311,129,718,915 would take you about one billion, seven hundred fifty million, eight hundred thirty thousand, nine 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 18354311129718915 cubic inches would be around 21981.9 feet tall.

Recreational maths with 18354311129718915

• 18354311129718915 backwards is 51981792111345381
• The number of decimal digits it has is: 17
• The sum of 18354311129718915's digits is 69
• More coming soon!