138618642307536048

Names of 138618642307536048

• Cardinal: 138618642307536048 can be written as One hundred thirty-eight quadrillion, six hundred eighteen trillion, six hundred forty-two billion, three hundred seven million, five hundred thirty-six thousand and forty-eight.

Scientific notation

• Scientific notation: 1.38618642307536048 × 10¹⁷

Factors of 138618642307536048

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 109693033036

Divisors of 138618642307536048

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3761 7522 11283 15044 22566 26327 30088 45132 52654 60176 78981 90264 105308 157962 180528 210616 315924 421232 631848 1263696 109693029263 219386058526 329079087789 438772117052 658158175578 767851204841 877544234104 1316316351156 1535702409682 1755088468208 2303553614523 2632632702312 3071404819364 4607107229046 5265265404624 6142809638728 9214214458092 12285619277456 18428428916184 36856857832368 412555483058143 825110966116286 1237666449174429 1650221932232572 2475332898348858 2887888381407001 3300443864465144 4950665796697716 5775776762814002 6600887728930288 8663665144221003 9901331593395432 11551553525628004 17327330288442006 19802663186790864 23103107051256008 34654660576884012 46206214102512016 69309321153768024 138618642307536048
• Sum of all divisors σ(n): 409363854682438656
• Sum of proper divisors (its aliquot sum) s(n): 270745212374902608
• 138618642307536048 is an abundant number, because the sum of its proper divisors (270745212374902608) is greater than itself. Its abundance is 132126570067366560

Bases of 138618642307536048

• Binary: 111101100011110001110101110110101111111001101010010110000₂
• Hexadecimal: 0x1EC78EBB5FCD4B0
• Base-36: 11WW7H5MMG1C

Squares and roots of 138618642307536048

• 138618642307536048 squared (138618642307536048²) is 19215127995184622774192052819458304
• 138618642307536048 cubed (138618642307536048³) is 2663574954458019473694016927371401593206632312942592
• The square root of 138618642307536048 is 372315245.8703995215
• The cube root of 138618642307536048 is 517535.9786510275

Scales and comparisons

• 138,618,642,307,536,048 seconds is equal to 4,407,644,049 years, 39 weeks, 6 days, 48 seconds.
• To count from 1 to 138,618,642,307,536,048 would take you about thirteen billion, two hundred twenty-two million, nine hundred thirty-two thousand, one hundred forty-nine 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 138618642307536048 cubic inches would be around 43128 feet tall.

Recreational maths with 138618642307536048

• 138618642307536048 backwards is 840635703246816831
• The number of decimal digits it has is: 18
• The sum of 138618642307536048's digits is 75
• More coming soon!