138732487323655682

Names of 138732487323655682

• Cardinal: 138732487323655682 can be written as One hundred thirty-eight quadrillion, seven hundred thirty-two trillion, four hundred eighty-seven billion, three hundred twenty-three million, six hundred fifty-five thousand, six hundred eighty-two.

Scientific notation

• Scientific notation: 1.38732487323655682 × 10¹⁷

Factors of 138732487323655682

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 643

Divisors of 138732487323655682

• Number of divisors d(n): 14
• Complete list of divisors:
  1 2 641 1282 410881 821762 263374721 526749442 168823196161 337646392322 108215668739201 216431337478402 69366243661827841 138732487323655682
• Sum of all divisors σ(n): 208423885252648341
• Sum of proper divisors (its aliquot sum) s(n): 69691397928992659
• 138732487323655682 is a deficient number, because the sum of its proper divisors (69691397928992659) is less than itself. Its deficiency is 69041089394663023

Bases of 138732487323655682

• Binary: 111101100111000000111011001010001101110111001111000000010₂
• Hexadecimal: 0x1ECE07651BB9E02
• Base-36: 11Y0K8U1TVK2

Squares and roots of 138732487323655682

• 138732487323655682 squared (138732487323655682²) is 19246703039008284495835268490885124
• 138732487323655682 cubed (138732487323655682³) is 2670142985381382120052466862202820066893923591874568
• The square root of 138732487323655682 is 372468102.4244300063
• The cube root of 138732487323655682 is 517677.6209018553
• Being both a perfect square and a perfect cube, 138732487323655682 is also a perfect sixth number.

Scales and comparisons

• 138,732,487,323,655,682 seconds is equal to 4,411,263,969 years, 6 weeks, 6 days, 12 hours, 48 minutes, 2 seconds.
• To count from 1 to 138,732,487,323,655,682 would take you about thirteen billion, two hundred thirty-three million, seven hundred ninety-one thousand, nine hundred seven 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 138732487323655682 cubic inches would be around 43139.8 feet tall.

Recreational maths with 138732487323655682

• 138732487323655682 backwards is 286556323784237831
• The number of decimal digits it has is: 18
• The sum of 138732487323655682's digits is 83
• More coming soon!