138509077879583956

Names of 138509077879583956

• Cardinal: 138509077879583956 can be written as One hundred thirty-eight quadrillion, five hundred nine trillion, seventy-seven billion, eight hundred seventy-nine million, five hundred eighty-three thousand, nine hundred fifty-six.

Scientific notation

• Scientific notation: 1.38509077879583956 × 10¹⁷

Factors of 138509077879583956

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1220702

Divisors of 138509077879583956

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 19 38 76 4937 9874 19748 93803 187606 375212 588911 626833 1177822 1253666 2355644 2507332 11189309 11909827 22378618 23819654 44757236 47639308 2907453607 3094674521 5814907214 6189349042 11629814428 12378698084 55241618533 58798815899 110483237066 117597631798 220966474132 235195263596 369148848863 738297697726 1476595395452 7013828128397 14027656256794 28055312513588 1822487866836631 3644975733673262 7289951467346524 34627269469895989 69254538939791978 138509077879583956
• Sum of all divisors σ(n): 255200822664802560
• Sum of proper divisors (its aliquot sum) s(n): 116691744785218604
• 138509077879583956 is a deficient number, because the sum of its proper divisors (116691744785218604) is less than itself. Its deficiency is 21817333094365352

Bases of 138509077879583956

• Binary: 111101100000101010100010111000001001011011111010011010100₂
• Hexadecimal: 0x1EC1545C12DF4D4
• Base-36: 11VTDBYB39AS

Squares and roots of 138509077879583956

• 138509077879583956 squared (138509077879583956²) is 19184764655052653552805159652609936
• 138509077879583956 cubed (138509077879583956³) is 2657264061708177620220001824594460100843305231786816
• The square root of 138509077879583956 is 372168077.4590748749
• The cube root of 138509077879583956 is 517399.5889163559

Scales and comparisons

• 138,509,077,879,583,956 seconds is equal to 4,404,160,239 years, 44 weeks, 5 days, 23 hours, 59 minutes, 16 seconds.
• To count from 1 to 138,509,077,879,583,956 would take you about thirteen billion, two hundred twelve million, four hundred eighty thousand, seven hundred nineteen 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 138509077879583956 cubic inches would be around 43116.6 feet tall.

Recreational maths with 138509077879583956

• 138509077879583956 backwards is 659385978770905831
• The number of decimal digits it has is: 18
• The sum of 138509077879583956's digits is 100
• More coming soon!