138440214987844

Names of 138440214987844

• Cardinal: 138440214987844 can be written as One hundred thirty-eight trillion, four hundred forty billion, two hundred fourteen million, nine hundred eighty-seven thousand, eight hundred forty-four.

Scientific notation

• Scientific notation: 1.38440214987844 × 10¹⁴

Factors of 138440214987844

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 76423

Divisors of 138440214987844

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 121 154 196 242 308 484 539 847 1078 1694 2156 3388 5929 11858 23716 76403 152806 305612 534821 840433 1069642 1680866 2139284 3361732 3743747 5883031 7487494 9244763 11766062 14974988 18489526 23532124 36979052 41181217 64713341 82362434 129426682 164724868 258853364 452993387 905986774 1811973548 5837418409 11674836818 23349673636 40861928863 64211602499 81723857726 128423204998 163447715452 256846409996 286033502041 449481217493 572067004082 706327627489 898962434986 1144134008164 1412655254978 1797924869972 2825310509956 3146368522451 4944293392423 6292737044902 9888586784846 12585474089804 19777173569692 34610053746961 69220107493922 138440214987844
• Sum of all divisors σ(n): 309778337241471
• Sum of proper divisors (its aliquot sum) s(n): 171338122253627
• 138440214987844 is an abundant number, because the sum of its proper divisors (171338122253627) is greater than itself. Its abundance is 32897907265783

Bases of 138440214987844

• Binary: 11111011110100100011111110101100100010001000100₂
• Hexadecimal: 0x7DE91FD64444
• Base-36: 1D2MK1L004

Squares and roots of 138440214987844

• 138440214987844 squared (138440214987844²) is 19165693125880466493067768336
• 138440214987844 cubed (138440214987844³) is 2653302676737935679962394907316300448107584
• 138440214987844 is a perfect square number. Its square root is 11766062
• The cube root of 138440214987844 is 51731.3829102523

Scales and comparisons

• 138,440,214,987,844 seconds is equal to 4,401,970 years, 31 weeks, 6 days, 2 hours, 24 minutes, 4 seconds.
• To count from 1 to 138,440,214,987,844 would take you about eleven million, four thousand, nine hundred twenty-six 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 138440214987844 cubic inches would be around 4310.9 feet tall.

Recreational maths with 138440214987844

• 138440214987844 backwards is 448789412044831
• The number of decimal digits it has is: 15
• The sum of 138440214987844's digits is 67
• More coming soon!