138031036651280656

Names of 138031036651280656

• Cardinal: 138031036651280656 can be written as One hundred thirty-eight quadrillion, thirty-one trillion, thirty-six billion, six hundred fifty-one million, two hundred eighty thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.38031036651280656 × 10¹⁷

Factors of 138031036651280656

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7144732

Divisors of 138031036651280656

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 7144717 14289434 28578868 57157736 92881321 114315472 185762642 371525284 743050568 1207457173 1486101136 2414914346 4829828692 9659657384 19319314768 51046981010089 102093962020178 204187924040356 408375848080712 663610753131157 816751696161424 1327221506262314 2654443012524628 5308886025049256 8626939790705041 10617772050098512 17253879581410082 34507759162820164 69015518325640328 138031036651280656
• Sum of all divisors σ(n): 289589563802220111
• Sum of proper divisors (its aliquot sum) s(n): 151558527150939455
• 138031036651280656 is an abundant number, because the sum of its proper divisors (151558527150939455) is greater than itself. Its abundance is 13527490499658799

Bases of 138031036651280656

• Binary: 111101010011000100111111100011011100101000001100100010000₂
• Hexadecimal: 0x1EA627F1B941910
• Base-36: 11R3X2UEF11S

Squares and roots of 138031036651280656

• 138031036651280656 squared (138031036651280656²) is 19052567079027183773045724879790336
• 138031036651280656 cubed (138031036651280656³) is 2629845584786184434068718370070210358573467172540416
• 138031036651280656 is a perfect square number. Its square root is 371525284
• The cube root of 138031036651280656 is 516803.6630396161

Scales and comparisons

• 138,031,036,651,280,656 seconds is equal to 4,388,960,007 years, 25 weeks, 3 hours, 44 minutes, 16 seconds.
• To count from 1 to 138,031,036,651,280,656 would take you about thirteen billion, one hundred sixty-six million, eight hundred eighty thousand and twenty-two 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 138031036651280656 cubic inches would be around 43067 feet tall.

Recreational maths with 138031036651280656

• 138031036651280656 backwards is 656082156630130831
• The number of decimal digits it has is: 18
• The sum of 138031036651280656's digits is 64
• More coming soon!