18090908713575351

Names of 18090908713575351

• Cardinal: 18090908713575351 can be written as Eighteen quadrillion, ninety trillion, nine hundred eight billion, seven hundred thirteen million, five hundred seventy-five thousand, three hundred fifty-one.

Scientific notation

• Scientific notation: 1.8090908713575351 × 10¹⁶

Factors of 18090908713575351

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 856974468

Divisors of 18090908713575351

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 1447 1621 4341 4863 13023 14589 2345587 7036761 21110283 856971397 2570914191 7712742573 1240037611459 1389150634537 3720112834377 4167451903611 11160338503131 12502355710833 2010100968175039 6030302904525117 18090908713575351
• Sum of all divisors σ(n): 26165503204634144
• Sum of proper divisors (its aliquot sum) s(n): 8074594491058793
• 18090908713575351 is a deficient number, because the sum of its proper divisors (8074594491058793) is less than itself. Its deficiency is 10016314222516558

Bases of 18090908713575351

• Binary: 1000000010001011001010111101011100010010110001110110111₂
• Hexadecimal: 0x404595EB8963B7
• Base-36: 4Y4OWQAN3JR

Squares and roots of 18090908713575351

• 18090908713575351 squared (18090908713575351²) is 327280978082916561207197554773201
• 18090908713575351 cubed (18090908713575351³) is 5920810298187698691616272168365919030136628968551
• The square root of 18090908713575351 is 134502448.7270598021
• The cube root of 18090908713575351 is 262514.5991630077

Scales and comparisons

• 18,090,908,713,575,351 seconds is equal to 575,234,938 years, 12 weeks, 2 days, 5 hours, 35 minutes, 51 seconds.
• To count from 1 to 18,090,908,713,575,351 would take you about one billion, seven hundred twenty-five million, seven hundred four thousand, eight hundred fourteen 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 18090908713575351 cubic inches would be around 21876.2 feet tall.

Recreational maths with 18090908713575351

• 18090908713575351 backwards is 15357531780909081
• The number of decimal digits it has is: 17
• The sum of 18090908713575351's digits is 72
• More coming soon!