18315034494642

Names of 18315034494642

• Cardinal: 18315034494642 can be written as Eighteen trillion, three hundred fifteen billion, thirty-four million, four hundred ninety-four thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.8315034494642 × 10¹³

Factors of 18315034494642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5759

Divisors of 18315034494642

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 18 181 362 543 1086 1629 3258 5573 11146 16719 32761 33438 50157 65522 98283 100314 196566 294849 589698 1008713 2017426 3026139 6052278 9078417 18156834 31058329 62116658 93174987 182577053 186349974 279524961 365154106 547731159 559049922 1095462318 1643193477 3286386954 5621557549 11243115098 16864672647 33729345294 50594017941 101188035882 1017501916369 2035003832738 3052505749107 6105011498214 9157517247321 18315034494642
• Sum of all divisors σ(n): 39910188104631
• Sum of proper divisors (its aliquot sum) s(n): 21595153609989
• 18315034494642 is an abundant number, because the sum of its proper divisors (21595153609989) is greater than itself. Its abundance is 3280119115347

Bases of 18315034494642

• Binary: 100001010100001001101001000000000011010110010₂
• Hexadecimal: 0x10A84D2006B2
• Base-36: 6HPT6NOOI

Squares and roots of 18315034494642

• 18315034494642 squared (18315034494642²) is 335440488539926340326708164
• 18315034494642 cubed (18315034494642³) is 6143604118508315412945475963621155657288
• The square root of 18315034494642 is 4279606.8154261553
• The cube root of 18315034494642 is 26359.4238620811

Scales and comparisons

• 18,315,034,494,642 seconds is equal to 582,361 years, 23 weeks, 21 hours, 50 minutes, 42 seconds.
• To count from 1 to 18,315,034,494,642 would take you about one million, four hundred fifty-five thousand, nine hundred 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 18315034494642 cubic inches would be around 2196.6 feet tall.

Recreational maths with 18315034494642

• 18315034494642 backwards is 24649443051381
• The number of decimal digits it has is: 14
• The sum of 18315034494642's digits is 54
• More coming soon!