138693401231049189

Names of 138693401231049189

• Cardinal: 138693401231049189 can be written as One hundred thirty-eight quadrillion, six hundred ninety-three trillion, four hundred one billion, two hundred thirty-one million, forty-nine thousand, one hundred eighty-nine.

Scientific notation

• Scientific notation: 1.38693401231049189 × 10¹⁷

Factors of 138693401231049189

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 167

Divisors of 138693401231049189

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 157 189 343 441 471 1029 1099 1323 1413 3087 3297 4239 7693 9261 9891 23079 24649 29673 53851 69237 73947 161553 172543 207711 221841 484659 517629 665523 1207801 1453977 1552887 3623403 3869893 4658661 8454607 10870209 11609679 25363821 27089251 32610627 34829037 76091463 81267753 104487111 189624757 228274389 243803259 568874271 607573201 731409777 1327373299 1706622813 1822719603 3982119897 4253012407 5119868439 5468158809 11946359691 12759037221 16404476427 29771086849 35839079073 38277111663 89313260547 95388992557 114831334989 208397607943 267939781641 286166977671 625192823829 667722947899 803819344923 858500933013 1875578471487 2003168843697 2575502799039 4674060635293 5626735414461 6009506531091 14022181905879 14976071831449 18028519593273 32718424447051 42066545717637 44928215494347 98155273341153 104832502820143 126199637152911 134784646483041 294465820023459 314497508460429 404353939449123 733827519741001 883397460070377 943492525381287 2201482559223003 2830477576143861 5136792638187007 6604447677669009 15410377914561021 19813343033007027 46231133743683063 138693401231049189
• Sum of all divisors σ(n): 241153156670512000
• Sum of proper divisors (its aliquot sum) s(n): 102459755439462811
• 138693401231049189 is a deficient number, because the sum of its proper divisors (102459755439462811) is less than itself. Its deficiency is 36233645791586378

Bases of 138693401231049189

• Binary: 111101100101111001110100111100001000100010100000111100101₂
• Hexadecimal: 0x1ECBCE9E11141E5
• Base-36: 11XMPGXJGQN9

Squares and roots of 138693401231049189

• 138693401231049189 squared (138693401231049189²) is 19235859545036796694787305737557721
• 138693401231049189 cubed (138693401231049189³) is 2667886785903895751344271255857181277456879277738269
• The square root of 138693401231049189 is 372415629.6814745513
• 138693401231049189 is a perfect cube number. Its cube root is 517629
• Being both a perfect square and a perfect cube, 138693401231049189 is also a perfect sixth number.

Scales and comparisons

• 138,693,401,231,049,189 seconds is equal to 4,410,021,152 years, 15 weeks, 10 hours, 33 minutes, 9 seconds.
• To count from 1 to 138,693,401,231,049,189 would take you about thirteen billion, two hundred thirty million, sixty-three thousand, four hundred fifty-six 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 138693401231049189 cubic inches would be around 43135.8 feet tall.

Recreational maths with 138693401231049189

• 138693401231049189 backwards is 981940132104396831
• The number of decimal digits it has is: 18
• The sum of 138693401231049189's digits is 72
• More coming soon!