138961362375

Names of 138961362375

• Cardinal: 138961362375 can be written as One hundred thirty-eight billion, nine hundred sixty-one million, three hundred sixty-two thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.38961362375 × 10¹¹

Factors of 138961362375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1136

Divisors of 138961362375

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 81 99 125 135 165 225 275 297 375 405 495 675 825 891 1117 1125 1375 1485 2025 2475 3351 3375 4125 4455 5585 7425 10053 10125 12287 12375 16755 22275 27925 30159 36861 37125 50265 61435 83775 90477 110583 111375 139625 150795 184305 251325 307175 331749 418875 452385 552915 753975 921525 995247 1247689 1256625 1535875 1658745 2261925 2764575 3743067 3769875 4607625 4976235 6238445 8293725 11229201 11309625 13724579 13822875 18715335 24881175 31192225 33687603 41173737 41468625 56146005 68622895 93576675 101062809 123521211 124405875 155961125 168438015 205868685 280730025 343114475 370563633 467883375 505314045 617606055 842190075 1029343425 1111690899 1403650125 1715572375 1852818165 2526570225 3088030275 4210950375 5146717125 5558454495 9264090825 12632851125 15440151375 27792272475 46320454125 138961362375
• Sum of all divisors σ(n): 282869771184
• Sum of proper divisors (its aliquot sum) s(n): 143908408809
• 138961362375 is an abundant number, because the sum of its proper divisors (143908408809) is greater than itself. Its abundance is 4947046434

Bases of 138961362375

• Binary: 10000001011010101111100001110111000111₂
• Hexadecimal: 0x205ABE1DC7
• Base-36: 1RU609FR

Squares and roots of 138961362375

• 138961362375 squared (138961362375²) is 19310260233116065640625
• 138961362375 cubed (138961362375³) is 2683380069809593572921177146484375
• The square root of 138961362375 is 372775.2169538635
• The cube root of 138961362375 is 5179.6214545129

Scales and comparisons

• 138,961,362,375 seconds is equal to 4,418 years, 28 weeks, 1 day, 2 hours, 26 minutes, 15 seconds.
• To count from 1 to 138,961,362,375 would take you about eight thousand, eight hundred thirty-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 138961362375 cubic inches would be around 431.6 feet tall.

Recreational maths with 138961362375

• 138961362375 backwards is 573263169831
• The number of decimal digits it has is: 12
• The sum of 138961362375's digits is 54
• More coming soon!