3638538197985

Names of 3638538197985

• Cardinal: 3638538197985 can be written as Three trillion, six hundred thirty-eight billion, five hundred thirty-eight million, one hundred ninety-seven thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 3.638538197985 × 10¹²

Factors of 3638538197985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10704358

Divisors of 3638538197985

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 15 17 31 43 51 85 93 129 155 215 255 465 527 645 731 1333 1581 2193 2635 3655 3999 6665 7905 10965 19995 22661 67983 113305 339915 10704259 32112777 53521295 160563885 181972403 331832029 460283137 545917209 909862015 995496087 1380849411 1659160145 2301415685 2729586045 4977480435 5641144493 6904247055 7824813329 14268777247 16923433479 23474439987 28205722465 39124066645 42806331741 71343886235 84617167395 117372199935 214031658705 242569213199 727707639597 1212846065995 3638538197985
• Sum of all divisors σ(n): 6510930370560
• Sum of proper divisors (its aliquot sum) s(n): 2872392172575
• 3638538197985 is a deficient number, because the sum of its proper divisors (2872392172575) is less than itself. Its deficiency is 766146025410

Bases of 3638538197985

• Binary: 110100111100101001110001101101101111100001₂
• Hexadecimal: 0x34F29C6DBE1
• Base-36: 1AFIRP5NL

Squares and roots of 3638538197985

• 3638538197985 squared (3638538197985²) is 13238960218195931058060225
• 3638538197985 cubed (3638538197985³) is 48170462455509725399653745481103646625
• The square root of 3638538197985 is 1907495.2681422305
• The cube root of 3638538197985 is 15380.6838806377

Scales and comparisons

• 3,638,538,197,985 seconds is equal to 115,694 years, 13 weeks, 3 days, 14 hours, 59 minutes, 45 seconds.
• To count from 1 to 3,638,538,197,985 would take you about two hundred eighty-nine thousand, two hundred thirty-five 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 3638538197985 cubic inches would be around 1281.7 feet tall.

Recreational maths with 3638538197985

• 3638538197985 backwards is 5897918358363
• The number of decimal digits it has is: 13
• The sum of 3638538197985's digits is 75
• More coming soon!