138613377781923839

Names of 138613377781923839

• Cardinal: 138613377781923839 can be written as One hundred thirty-eight quadrillion, six hundred thirteen trillion, three hundred seventy-seven billion, seven hundred eighty-one million, nine hundred twenty-three thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.38613377781923839 × 10¹⁷

Factors of 138613377781923839

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 75365137

Divisors of 138613377781923839

• Number of divisors d(n): 8
• Complete list of divisors:
  1 15199 121229 75228709 1842559571 1143401148091 9119901163361 138613377781923839
• Sum of all divisors σ(n): 138623643002160000
• Sum of proper divisors (its aliquot sum) s(n): 10265220236161
• 138613377781923839 is a deficient number, because the sum of its proper divisors (10265220236161) is less than itself. Its deficiency is 138603112561687678

Bases of 138613377781923839

• Binary: 111101100011101000010000111110111110011101111111111111111₂
• Hexadecimal: 0x1EC7421F7CEFFFF
• Base-36: 11WUCANZZZZZ

Squares and roots of 138613377781923839

• 138613377781923839 squared (138613377781923839²) is 19213668500114337372593495996497921
• 138613377781923839 cubed (138613377781923839³) is 2663271490382998624215266345630036779302001943838719
• The square root of 138613377781923839 is 372308175.8193389969
• The cube root of 138613377781923839 is 517529.4268244669

Scales and comparisons

• 138,613,377,781,923,839 seconds is equal to 4,407,476,654 years, 7 weeks, 14 hours, 23 minutes, 59 seconds.
• To count from 1 to 138,613,377,781,923,839 would take you about thirteen billion, two hundred twenty-two million, four hundred twenty-nine thousand, nine hundred sixty-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 138613377781923839 cubic inches would be around 43127.5 feet tall.

Recreational maths with 138613377781923839

• 138613377781923839 backwards is 938329187773316831
• The number of decimal digits it has is: 18
• The sum of 138613377781923839's digits is 89
• More coming soon!