18129404244787199

Names of 18129404244787199

• Cardinal: 18129404244787199 can be written as Eighteen quadrillion, one hundred twenty-nine trillion, four hundred four billion, two hundred forty-four million, seven hundred eighty-seven thousand, one hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8129404244787199 × 10¹⁶

Factors of 18129404244787199

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 15459369

Divisors of 18129404244787199

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 13 31 49 91 217 403 637 1519 2821 19747 59617 417319 775021 1848127 2921233 5425147 12936889 15399701 24025651 37976029 90558223 107797907 168179557 200196113 477390731 754585349 1177256899 1401372791 3341735117 6206079503 9809609537 23392145819 43442556521 304097895647 918083974517 6426587821619 11935091668721 28460603210027 44986114751333 83545641681047 199224222470189 369987841730351 584819491767329 1394569557291323 2589914892112457 18129404244787199
• Sum of all divisors σ(n): 23444587142436096
• Sum of proper divisors (its aliquot sum) s(n): 5315182897648897
• 18129404244787199 is a deficient number, because the sum of its proper divisors (5315182897648897) is less than itself. Its deficiency is 12814221347138302

Bases of 18129404244787199

• Binary: 1000000011010001001100011011011111111111111111111111111₂
• Hexadecimal: 0x406898DBFFFFFF
• Base-36: 4YIC5BZZZZZ

Squares and roots of 18129404244787199

• 18129404244787199 squared (18129404244787199²) is 328675298270908109319564794265601
• 18129404244787199 cubed (18129404244787199³) is 5958687347629300204955694526140025719091730841599
• The square root of 18129404244787199 is 134645476.1393311683
• The cube root of 18129404244787199 is 262700.6683033805

Scales and comparisons

• 18,129,404,244,787,199 seconds is equal to 576,458,977 years, 2 weeks, 5 days, 23 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,129,404,244,787,199 would take you about one billion, seven hundred twenty-nine million, three hundred seventy-six thousand, nine hundred thirty-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 18129404244787199 cubic inches would be around 21891.7 feet tall.

Recreational maths with 18129404244787199

• 18129404244787199 backwards is 99178744240492181
• The number of decimal digits it has is: 17
• The sum of 18129404244787199's digits is 80
• More coming soon!