138531979564819

Names of 138531979564819

• Cardinal: 138531979564819 can be written as One hundred thirty-eight trillion, five hundred thirty-one billion, nine hundred seventy-nine million, five hundred sixty-four thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 1.38531979564819 × 10¹⁴

Factors of 138531979564819

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 591

Divisors of 138531979564819

• Number of divisors d(n): 108
• Complete list of divisors:
  1 19 31 59 73 409 589 961 1121 1387 1829 2263 3481 4307 5329 7771 12679 18259 24131 29857 34751 42997 56699 66139 70153 81833 101251 107911 133517 165199 240901 254113 314411 393049 458489 567283 748061 925567 1077281 1332907 1423729 1761563 2050309 2179561 2536823 3138781 3345241 4139027 4828147 5121169 5973809 7467931 7877503 9746741 14213159 17585773 18550249 23189891 27050851 28692577 33469697 41411659 44135599 54608453 63559579 67566391 78641513 97302211 103932217 128594099 149672557 185188079 244202593 302148971 352454731 440607929 545158963 575057719 838576381 1037560607 1283761429 1368203569 1692862043 1974712123 2094558121 2443287881 3221898727 3986417069 4639849267 5740830449 7587051841 10926096661 17826789289 25995867811 32164378817 39796604299 61216075813 75741924311 99878860537 123578929139 144153984979 235198607071 338708996491 1897698350203 2347999653641 4468773534349 7291156819201 138531979564819
• Sum of all divisors σ(n): 155784410479800
• Sum of proper divisors (its aliquot sum) s(n): 17252430914981
• 138531979564819 is a deficient number, because the sum of its proper divisors (17252430914981) is less than itself. Its deficiency is 121279548649838

Bases of 138531979564819

• Binary: 11111011111111001111101011011101001011100010011₂
• Hexadecimal: 0x7DFE7D6E9713
• Base-36: 1D3SPNUCR7

Squares and roots of 138531979564819

• 138531979564819 squared (138531979564819²) is 19191109362147429012622502761
• 138531979564819 cubed (138531979564819³) is 2658582369983214229699359994894723405965259
• The square root of 138531979564819 is 11769960.8990352639
• The cube root of 138531979564819 is 51742.8103700837

Scales and comparisons

• 138,531,979,564,819 seconds is equal to 4,404,888 years, 23 weeks, 2 hours, 40 minutes, 19 seconds.
• To count from 1 to 138,531,979,564,819 would take you about eleven million, twelve thousand, two hundred twenty-one 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 138531979564819 cubic inches would be around 4311.9 feet tall.

Recreational maths with 138531979564819

• 138531979564819 backwards is 918465979135831
• The number of decimal digits it has is: 15
• The sum of 138531979564819's digits is 79
• More coming soon!