13538390691135725

Names of 13538390691135725

• Cardinal: 13538390691135725 can be written as Thirteen quadrillion, five hundred thirty-eight trillion, three hundred ninety billion, six hundred ninety-one million, one hundred thirty-five thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.3538390691135725 × 10¹⁶

Factors of 13538390691135725

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 70936

Divisors of 13538390691135725

• Number of divisors d(n): 54
• Complete list of divisors:
  1 5 25 29 61 145 305 725 1525 1769 3721 8845 18605 44225 70841 93025 107909 354205 539545 1771025 2054389 2697725 4321301 10271945 21606505 51359725 108032525 125317729 263599361 626588645 1317996805 3132943225 5018447281 6589984025 7644381469 25092236405 38221907345 125461182025 145534971149 191109536725 306125284141 727674855745 1530626420705 3638374278725 7653132103525 8877633240089 18673642332601 44388166200445 93368211663005 221940831002225 466841058315025 541535627645429 2707678138227145 13538390691135725
• Sum of all divisors σ(n): 17656100275157370
• Sum of proper divisors (its aliquot sum) s(n): 4117709584021645
• 13538390691135725 is a deficient number, because the sum of its proper divisors (4117709584021645) is less than itself. Its deficiency is 9420681107114080

Bases of 13538390691135725

• Binary: 110000000110010001100000110111111110011100000011101101₂
• Hexadecimal: 0x30191837F9C0ED
• Base-36: 3PAYITMM2NH

Squares and roots of 13538390691135725

• 13538390691135725 squared (13538390691135725²) is 183288022505830453634090371275625
• 13538390691135725 cubed (13538390691135725³) is 2481424857689610273558680041050142210848259203125
• The square root of 13538390691135725 is 116354590.3311756971
• The cube root of 13538390691135725 is 238335.6531548455

Scales and comparisons

• 13,538,390,691,135,725 seconds is equal to 430,478,946 years, 51 weeks, 1 day, 23 hours, 2 minutes, 5 seconds.
• To count from 1 to 13,538,390,691,135,725 would take you about one billion, two hundred ninety-one million, four hundred thirty-six thousand, eight hundred forty 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 13538390691135725 cubic inches would be around 19861.3 feet tall.

Recreational maths with 13538390691135725

• 13538390691135725 backwards is 52753119609383531
• The number of decimal digits it has is: 17
• The sum of 13538390691135725's digits is 71
• More coming soon!