138977343007490168

Names of 138977343007490168

• Cardinal: 138977343007490168 can be written as One hundred thirty-eight quadrillion, nine hundred seventy-seven trillion, three hundred forty-three billion, seven million, four hundred ninety thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38977343007490168 × 10¹⁷

Factors of 138977343007490168

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 258993

Divisors of 138977343007490168

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 258991 517982 1035964 2071928 67076338081 134152676162 268305352324 536610704648
• Sum of all divisors σ(n): 138977812545741615
• Sum of proper divisors (its aliquot sum) s(n): 469538251447
• 138977343007490168 is a deficient number, because the sum of its proper divisors (469538251447) is less than itself. Its deficiency is 138976873469238721

Bases of 138977343007490168

• Binary: 111101101101111110010100000111001110010100000000001111000₂
• Hexadecimal: 0x1EDBF2839CA0078
• Base-36: 120FCTZDZY48

Squares and roots of 138977343007490168

• 138977343007490168 squared (138977343007490168²) is 19314701869421576294583350616668224
• 138977343007490168 cubed (138977343007490168³) is 2684305946794013982164861030013208070170580598021632
• The square root of 138977343007490168 is 372796651.0143166079
• 138977343007490168 is a perfect cube number. Its cube root is 517982

Scales and comparisons

• 138,977,343,007,490,168 seconds is equal to 4,419,049,622 years, 25 weeks, 3 days, 16 hours, 36 minutes, 8 seconds.
• To count from 1 to 138,977,343,007,490,168 would take you about thirteen billion, two hundred fifty-seven million, one hundred forty-eight thousand, eight hundred sixty-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 138977343007490168 cubic inches would be around 43165.2 feet tall.

Recreational maths with 138977343007490168

• 138977343007490168 backwards is 861094700343779831
• The number of decimal digits it has is: 18
• The sum of 138977343007490168's digits is 80
• More coming soon!