18029168151995391

Names of 18029168151995391

• Cardinal: 18029168151995391 can be written as Eighteen quadrillion, twenty-nine trillion, one hundred sixty-eight billion, one hundred fifty-one million, nine hundred ninety-five thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 1.8029168151995391 × 10¹⁶

Factors of 18029168151995391

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 25030591

Divisors of 18029168151995391

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 101 303 607 1821 3917 11751 61307 183921 395617 1186851 2377619 7132857 25025963 75077889 240139519 720418557 2527622263 7582866789 15190759541 45572278623 98026697071 294080091213 1534266713641 4602800140923 9900696404171 29702089212513 59502205122097 178506615366291 6009722717331797 18029168151995391
• Sum of all divisors σ(n): 24323103594620928
• Sum of proper divisors (its aliquot sum) s(n): 6293935442625537
• 18029168151995391 is a deficient number, because the sum of its proper divisors (6293935442625537) is less than itself. Its deficiency is 11735232709369854

Bases of 18029168151995391

• Binary: 1000000000011010110111011010011010010111010001111111111₂
• Hexadecimal: 0x400D6ED34BA3FF
• Base-36: 4XIT1IADCSF

Squares and roots of 18029168151995391

• 18029168151995391 squared (18029168151995391²) is 325050904252924902231974885242881
• 18029168151995391 cubed (18029168151995391³) is 5860397410734136840550733586210417737679827561471
• The square root of 18029168151995391 is 134272737.9328931055
• The cube root of 18029168151995391 is 262215.6226248517

Scales and comparisons

• 18,029,168,151,995,391 seconds is equal to 573,271,779 years, 18 weeks, 3 days, 3 hours, 9 minutes, 51 seconds.
• To count from 1 to 18,029,168,151,995,391 would take you about one billion, seven hundred nineteen million, eight hundred fifteen thousand, three hundred thirty-eight 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 18029168151995391 cubic inches would be around 21851.3 feet tall.

Recreational maths with 18029168151995391

• 18029168151995391 backwards is 19359915186192081
• The number of decimal digits it has is: 17
• The sum of 18029168151995391's digits is 78
• More coming soon!