139138465521

Names of 139138465521

• Cardinal: 139138465521 can be written as One hundred thirty-nine billion, one hundred thirty-eight million, four hundred sixty-five thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.39138465521 × 10¹¹

Factors of 139138465521

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5878

Divisors of 139138465521

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 33 73 79 131 219 237 393 803 869 1441 2409 2607 4323 5581 5767 9563 10349 16743 17301 28689 31047 61391 63437 105193 113839 184173 190311 315579 341517 407413 440899 731111 755477 1222239 1322697 2193333 2266431 4481543 4849889 8042221 8310247 13444629 14549667 24126663 24930741 32185627 53371103 57757769 96556881 160113309 173273307 354041897 587082133 635335459 1062125691 1761246399 1906006377 4216317137 12648951411 46379488507 139138465521
• Sum of all divisors σ(n): 209375907840
• Sum of proper divisors (its aliquot sum) s(n): 70237442319
• 139138465521 is a deficient number, because the sum of its proper divisors (70237442319) is less than itself. Its deficiency is 68901023202

Bases of 139138465521

• Binary: 10000001100101010011000111111011110001₂
• Hexadecimal: 0x20654C7EF1
• Base-36: 1RX3G73L

Squares and roots of 139138465521

• 139138465521 squared (139138465521²) is 19359512587538505801441
• 139138465521 cubed (139138465521³) is 2693652874664591883713657050615761
• The square root of 139138465521 is 373012.6881501485
• The cube root of 139138465521 is 5181.8209575747

Scales and comparisons

• 139,138,465,521 seconds is equal to 4,424 years, 8 weeks, 6 days, 21 hours, 45 minutes, 21 seconds.
• To count from 1 to 139,138,465,521 would take you about eight thousand, eight hundred forty-eight 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 139138465521 cubic inches would be around 431.8 feet tall.

Recreational maths with 139138465521

• 139138465521 backwards is 125564831931
• The number of decimal digits it has is: 12
• The sum of 139138465521's digits is 48
• More coming soon!