138232769713569791

Names of 138232769713569791

• Cardinal: 138232769713569791 can be written as One hundred thirty-eight quadrillion, two hundred thirty-two trillion, seven hundred sixty-nine billion, seven hundred thirteen million, five hundred sixty-nine thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 1.38232769713569791 × 10¹⁷

Factors of 138232769713569791

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 80238529658

Divisors of 138232769713569791

• Number of divisors d(n): 16
• Complete list of divisors:
  1 13 89 1157 1489 19357 132521 1722773 80238528067 1043100864871 7141228997963 92835976973519 119475168291763 1553177187792919 10633289977966907 138232769713569791
• Sum of all divisors σ(n): 150639812594863200
• Sum of proper divisors (its aliquot sum) s(n): 12407042881293409
• 138232769713569791 is a deficient number, because the sum of its proper divisors (12407042881293409) is less than itself. Its deficiency is 125825726832276382

Bases of 138232769713569791

• Binary: 111101011000110011111100010111111000110000111111111111111₂
• Hexadecimal: 0x1EB19F8BF187FFF
• Base-36: 11T3FDQF3ZZZ

Squares and roots of 138232769713569791

• 138232769713569791 squared (138232769713569791²) is 19108298622684817678544404627783681
• 138232769713569791 cubed (138232769713569791³) is 2641393043127713216520138150906988552109723044380671
• The square root of 138232769713569791 is 371796677.9216428005
• The cube root of 138232769713569791 is 517055.3108787825

Scales and comparisons

• 138,232,769,713,569,791 seconds is equal to 4,395,374,494 years, 44 weeks, 5 days, 6 hours, 43 minutes, 11 seconds.
• To count from 1 to 138,232,769,713,569,791 would take you about thirteen billion, one hundred eighty-six million, one hundred twenty-three thousand, four hundred eighty-four 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 138232769713569791 cubic inches would be around 43087.9 feet tall.

Recreational maths with 138232769713569791

• 138232769713569791 backwards is 197965317967232831
• 138232769713569791 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138232769713569791's digits is 89
• More coming soon!