138646237923

Names of 138646237923

• Cardinal: 138646237923 can be written as One hundred thirty-eight billion, six hundred forty-six million, two hundred thirty-seven thousand, nine hundred twenty-three.

Scientific notation

• Scientific notation: 1.38646237923 × 10¹¹

Factors of 138646237923

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 371

Divisors of 138646237923

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 19 23 27 57 69 97 171 207 229 291 437 513 529 621 687 873 1311 1587 1843 2061 2231 2619 3933 4351 4761 5267 5529 6183 6693 10051 11799 12167 13053 14283 15801 16587 20079 22213 30153 36501 39159 42389 47403 49761 51313 60237 66639 90459 100073 109503 117477 121141 127167 142209 153939 199917 231173 271377 300219 328509 363423 381501 422047 461817 510899 599751 693519 900657 974947 1090269 1144503 1180199 1266141 1385451 1532697 2080557 2301679 2701971 2786243 2924841 3270807 3540597 3798423 4598091 6241671 6905037 8358729 8774523 9707081 10621791 11395269 11750677 13794273 20715111 22423781 25076187 26323569 29121243 31865373 35252031 52938617 62145333 67271343 75228561 87363729 105756093 158815851 201814029 223262863 262091187 270265571 317268279 476447553 605442087 669788589 810796713 1429342659 2009365767 2432390139 5135045849 6028097301 7297170417 15405137547 46215412641 138646237923
• Sum of all divisors σ(n): 229367040000
• Sum of proper divisors (its aliquot sum) s(n): 90720802077
• 138646237923 is a deficient number, because the sum of its proper divisors (90720802077) is less than itself. Its deficiency is 47925435846

Bases of 138646237923

• Binary: 10000001000111111101011011001011100011₂
• Hexadecimal: 0x2047F5B2E3
• Base-36: 1ROYE1UR

Squares and roots of 138646237923

• 138646237923 squared (138646237923²) is 19222779290201123353929
• 138646237923 cubed (138646237923³) is 2665166031010542011050711870849467
• The square root of 138646237923 is 372352.3035016703
• The cube root of 138646237923 is 5175.7031933327

Scales and comparisons

• 138,646,237,923 seconds is equal to 4,408 years, 27 weeks, 19 hours, 52 minutes, 3 seconds.
• To count from 1 to 138,646,237,923 would take you about eight thousand, eight hundred seventeen 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 138646237923 cubic inches would be around 431.3 feet tall.

Recreational maths with 138646237923

• 138646237923 backwards is 329732646831
• The number of decimal digits it has is: 12
• The sum of 138646237923's digits is 54
• More coming soon!