138198535618

Names of 138198535618

• Cardinal: 138198535618 can be written as One hundred thirty-eight billion, one hundred ninety-eight million, five hundred thirty-five thousand, six hundred eighteen.

Scientific notation

• Scientific notation: 1.38198535618 × 10¹¹

Factors of 138198535618

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8421

Divisors of 138198535618

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 11 13 22 26 31 62 121 143 173 242 286 341 346 403 682 806 1573 1903 2249 3146 3751 3806 4433 4498 5363 7502 8191 8866 10726 16382 20933 24739 41866 48763 49478 58993 69719 90101 97526 106483 117986 139438 180202 212966 253921 272129 507842 544258 648923 766909 991111 1171313 1297846 1417043 1533818 1982222 2342626 2793131 2834086 3300973 5586262 6601946 8435999 12884443 15587473 16871998 18421559 25768886 30724441 31174946 36310703 36843118 43928333 61448882 72621406 87856666 171462203 202637149 342924406 399417733 405274298 483211663 571068329 798835466 966423326 1142136658 2229008639 4458017278 5315328293 6281751619 10630656586 12563503238 69099267809 138198535618
• Sum of all divisors σ(n): 254794530816
• Sum of proper divisors (its aliquot sum) s(n): 116595995198
• 138198535618 is a deficient number, because the sum of its proper divisors (116595995198) is less than itself. Its deficiency is 21602540420

Bases of 138198535618

• Binary: 10000000101101010001100100110111000010₂
• Hexadecimal: 0x202D464DC2
• Base-36: 1RHJU8JM

Squares and roots of 138198535618

• 138198535618 squared (138198535618²) is 19098835246959614641924
• 138198535618 cubed (138198535618³) is 2639431063139262130299488230049032
• The square root of 138198535618 is 371750.6363383929
• The cube root of 138198535618 is 5170.1262350345

Scales and comparisons

• 138,198,535,618 seconds is equal to 4,394 years, 14 weeks, 6 days, 2 hours, 6 minutes, 58 seconds.
• To count from 1 to 138,198,535,618 would take you about eight thousand, seven hundred eighty-eight 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 138198535618 cubic inches would be around 430.8 feet tall.

Recreational maths with 138198535618

• 138198535618 backwards is 816535891831
• The number of decimal digits it has is: 12
• The sum of 138198535618's digits is 58
• More coming soon!