138518513619618

Names of 138518513619618

• Cardinal: 138518513619618 can be written as One hundred thirty-eight trillion, five hundred eighteen billion, five hundred thirteen million, six hundred nineteen thousand, six hundred eighteen.

Scientific notation

• Scientific notation: 1.38518513619618 × 10¹⁴

Factors of 138518513619618

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5337024

Divisors of 138518513619618

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 22 29 33 58 66 71 87 142 174 191 213 319 382 426 573 638 781 957 1146 1562 1914 2059 2101 2343 4118 4202 4686 5539 6177 6303 11078 12354 12606 13561 16617 22649 27122 33234 40683 45298 60929 67947 81366 121858 135894 149171 182787 298342 365574 393269 447513 786538 895026 1179807 2359614 4325959 5336717 8651918 10673434 12977877 16010151 25955754 32020302 58703887 117407774 154764793 176111661 309529586 352223322 378906907 464294379 757813814 928588758 1019312947 1136720721 1702412723 2038625894 2273441442 3057938841 3404825446 4167975977 5107238169 6115877682 8335951954 10214476338 10988300303 11212442417 12503927931 21976600606 22424884834 25007855862 29560075463 32964900909 33637327251 59120150926 65929801818 67274654502 72371219237 88680226389 120871303333 144742438474 177360452778 217113657711 241742606666 325160830093 362613909999 434227315422 650321660186 725227819998 796083411607 975482490279 1592166823214 1950964980558 2098765357873 2388250234821 4197530715746 4776500469642 6296296073619 12592592147238 23086418936603 46172837873206 69259256809809 138518513619618
• Sum of all divisors σ(n): 318707091210240
• Sum of proper divisors (its aliquot sum) s(n): 180188577590622
• 138518513619618 is an abundant number, because the sum of its proper divisors (180188577590622) is greater than itself. Its abundance is 41670063971004

Bases of 138518513619618

• Binary: 11111011111101101011010110011001001001010100010₂
• Hexadecimal: 0x7DFB5ACC92A2
• Base-36: 1D3MIYKEXU

Squares and roots of 138518513619618

• 138518513619618 squared (138518513619618²) is 19187378615388297359994465924
• 138518513619618 cubed (138518513619618³) is 2657807166060431030817925141626701998897032
• The square root of 138518513619618 is 11769388.8379821151
• The cube root of 138518513619618 is 51741.1337694203

Scales and comparisons

• 138,518,513,619,618 seconds is equal to 4,404,460 years, 13 weeks, 6 days, 6 hours, 20 minutes, 18 seconds.
• To count from 1 to 138,518,513,619,618 would take you about eleven million, eleven thousand, one hundred fifty 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 138518513619618 cubic inches would be around 4311.8 feet tall.

Recreational maths with 138518513619618

• 138518513619618 backwards is 816916315815831
• 138518513619618 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138518513619618's digits is 66
• More coming soon!