138839071473130880

Names of 138839071473130880

• Cardinal: 138839071473130880 can be written as One hundred thirty-eight quadrillion, eight hundred thirty-nine trillion, seventy-one billion, four hundred seventy-three million, one hundred thirty thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3883907147313088 × 10¹⁷

Factors of 138839071473130880

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 216936049176774

Divisors of 138839071473130880

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 216936049176767 433872098353534 867744196707068 1084680245883835 1735488393414136 2169360491767670 3470976786828272 4338720983535340 6941953573656544 8677441967070680 13883907147313088 17354883934141360 27767814294626176 34709767868282720 69419535736565440 138839071473130880
• Sum of all divisors σ(n): 331912155240455040
• Sum of proper divisors (its aliquot sum) s(n): 193073083767324160
• 138839071473130880 is an abundant number, because the sum of its proper divisors (193073083767324160) is greater than itself. Its abundance is 54234012294193280

Bases of 138839071473130880

• Binary: 111101101010000010110011001100000000110011101110110000000₂
• Hexadecimal: 0x1ED41666019DD80
• Base-36: 11Z2CCX0I83K

Squares and roots of 138839071473130880

• 138839071473130880 squared (138839071473130880²) is 19276287767521144905077789609574400
• 138839071473130880 cubed (138839071473130880³) is 2676301895091506726057898199673733467815192297472000
• The square root of 138839071473130880 is 372611153.1786600721
• The cube root of 138839071473130880 is 517810.1592037317

Scales and comparisons

• 138,839,071,473,130,880 seconds is equal to 4,414,653,015 years, 20 weeks, 5 days, 16 hours, 21 minutes, 20 seconds.
• To count from 1 to 138,839,071,473,130,880 would take you about thirteen billion, two hundred forty-three million, nine hundred fifty-nine thousand and forty-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 138839071473130880 cubic inches would be around 43150.8 feet tall.

Recreational maths with 138839071473130880

• 138839071473130880 backwards is 088031374170938831
• The number of decimal digits it has is: 18
• The sum of 138839071473130880's digits is 74
• More coming soon!