138021071097

Names of 138021071097

• Cardinal: 138021071097 can be written as One hundred thirty-eight billion, twenty-one million, seventy-one thousand and ninety-seven.

Scientific notation

• Scientific notation: 1.38021071097 × 10¹¹

Factors of 138021071097

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 701335

Divisors of 138021071097

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 13 21 39 49 91 103 147 273 309 637 721 1339 1911 2163 4017 5047 9373 15141 28119 65611 196833 701209 2103627 4908463 9115717 14725389 27347151 34359241 63810019 72224527 103077723 191430057 216673581 446670133 505571689 938918851 1340010399 1516715067 2816756553 3539001823 6572431957 10617005469 19717295871 46007023699 138021071097
• Sum of all divisors σ(n): 232779281280
• Sum of proper divisors (its aliquot sum) s(n): 94758210183
• 138021071097 is a deficient number, because the sum of its proper divisors (94758210183) is less than itself. Its deficiency is 43262860914

Bases of 138021071097

• Binary: 10000000100010101100100110100011111001₂
• Hexadecimal: 0x2022B268F9
• Base-36: 1REM6K1L

Squares and roots of 138021071097

• 138021071097 squared (138021071097²) is 19049816066763128783409
• 138021071097 cubed (138021071097³) is 2629276017735486696473060703029673
• The square root of 138021071097 is 371511.8720808259
• The cube root of 138021071097 is 5167.9122535645

Scales and comparisons

• 138,021,071,097 seconds is equal to 4,388 years, 33 weeks, 3 days, 2 hours, 24 minutes, 57 seconds.
• To count from 1 to 138,021,071,097 would take you about eight thousand, seven hundred seventy-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 138021071097 cubic inches would be around 430.7 feet tall.

Recreational maths with 138021071097

• 138021071097 backwards is 790170120831
• 138021071097 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138021071097's digits is 39
• More coming soon!