18421347869568

Names of 18421347869568

• Cardinal: 18421347869568 can be written as Eighteen trillion, four hundred twenty-one billion, three hundred forty-seven million, eight hundred sixty-nine thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8421347869568 × 10¹³

Factors of 18421347869568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2284393349

Divisors of 18421347869568

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 288 336 384 448 504 576 672 896 1008 1152 1344 2016 2688 4032 8064 2284393337 4568786674 6853180011 9137573348 13706360022 15990753359 18275146696 20559540033 27412720044 31981506718 36550293392 41119080066 47972260077 54825440088 63963013436 73100586784 82238160132 95944520154 109650880176 127926026872 143916780231 146201173568 164476320264 191889040308 219301760352 255852053744 287833560462 292402347136 328952640528 383778080616 438603520704 511704107488 575667120924 657905281056 767556161232 877207041408 1023408214976 1151334241848 1315810562112 1535112322464 2046816429952 2302668483696 2631621124224 3070224644928 4605336967392 6140449289856 9210673934784 18421347869568
• Sum of all divisors σ(n): 60582111323760
• Sum of proper divisors (its aliquot sum) s(n): 42160763454192
• 18421347869568 is an abundant number, because the sum of its proper divisors (42160763454192) is greater than itself. Its abundance is 23739415584624

Bases of 18421347869568

• Binary: 100001100000100001101111001010110001110000000₂
• Hexadecimal: 0x10C10DE56380
• Base-36: 6J2NEW9S0

Squares and roots of 18421347869568

• 18421347869568 squared (18421347869568²) is 339346057331637492340506624
• 18421347869568 cubed (18421347869568³) is 6251211770272460706371665616052192018432
• The square root of 18421347869568 is 4292009.7704418147
• The cube root of 18421347869568 is 26410.3283879319

Scales and comparisons

• 18,421,347,869,568 seconds is equal to 585,741 years, 45 weeks, 5 days, 18 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,421,347,869,568 would take you about one million, four hundred sixty-four thousand, three hundred fifty-four 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 18421347869568 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421347869568

• 18421347869568 backwards is 86596874312481
• 18421347869568 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18421347869568's digits is 72
• More coming soon!