138069975827

Names of 138069975827

• Cardinal: 138069975827 can be written as One hundred thirty-eight billion, sixty-nine million, nine hundred seventy-five thousand, eight hundred twenty-seven.

Scientific notation

• Scientific notation: 1.38069975827 × 10¹¹

Factors of 138069975827

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 603

Divisors of 138069975827

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 19 79 89 133 361 409 553 623 1501 1691 2527 2863 6859 7031 7771 10507 11837 28519 32129 32311 36401 48013 49217 54397 133589 147649 199633 224903 226177 254807 541861 610451 613909 691619 935123 1033543 2538191 2805331 2875679 3793027 4273157 4297363 4841333 11664271 13140761 17767337 19637317 20129753 48225629 54637901 81649897 91985327 221621149 249674459 337579403 382465307 1038120119 1551348043 1747721213 7266840833 19724282261 138069975827
• Sum of all divisors σ(n): 170979840000
• Sum of proper divisors (its aliquot sum) s(n): 32909864173
• 138069975827 is a deficient number, because the sum of its proper divisors (32909864173) is less than itself. Its deficiency is 105160111654

Bases of 138069975827

• Binary: 10000000100101100111001010001100010011₂
• Hexadecimal: 0x20259CA313
• Base-36: 1RFFAR6B

Squares and roots of 138069975827

• 138069975827 squared (138069975827²) is 19063318224868364333929
• 138069975827 cubed (138069975827³) is 2632071886489983613842605985934283
• The square root of 138069975827 is 371577.6847807199
• The cube root of 138069975827 is 5168.5225601573

Scales and comparisons

• 138,069,975,827 seconds is equal to 4,390 years, 10 weeks, 2 days, 3 hours, 3 minutes, 47 seconds.
• To count from 1 to 138,069,975,827 would take you about eight thousand, seven hundred eighty 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 138069975827 cubic inches would be around 430.7 feet tall.

Recreational maths with 138069975827

• 138069975827 backwards is 728579960831
• The number of decimal digits it has is: 12
• The sum of 138069975827's digits is 65
• More coming soon!