121555139104788544

Names of 121555139104788544

• Cardinal: 121555139104788544 can be written as One hundred twenty-one quadrillion, five hundred fifty-five trillion, one hundred thirty-nine billion, one hundred four million, seven hundred eighty-eight thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.21555139104788544 × 10¹⁷

Factors of 121555139104788544

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2160

Divisors of 121555139104788544

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 32 59 64 118 236 472 944 1888 2099 3481 3776 4198 6962 8396 13924 16792 27848 33584 55696 67168 111392 123841 134336 205379 222784 247682 410758 495364 821516 990728 1643032 1981456 3286064 3962912 4405801 6572128 7306619 7925824 8811602 13144256 14613238 17623204 29226476 35246408 58452952 70492816 116905904 140985632 233811808 259942259 281971264 431090521 467623616 519884518 862181042 1039769036 1724362084 2079538072 3448724168 4159076144 6897448336 8318152288 13794896672 15336593281 16636304576 27589793344 30673186562 61346373124 122692746248 245385492496 490770984992 904859003579 981541969984 1809718007158 3619436014316 7238872028632 14477744057264 28955488114528 57910976229056
• Sum of all divisors σ(n): 121614182260528328
• Sum of proper divisors (its aliquot sum) s(n): 59043155739784
• 121555139104788544 is a deficient number, because the sum of its proper divisors (59043155739784) is less than itself. Its deficiency is 121496095949048760

Bases of 121555139104788544

• Binary: 110101111110110011100000101000110111101101101000001000000₂
• Hexadecimal: 0x1AFD9C146F6D040
• Base-36: X8VP802AYPS

Squares and roots of 121555139104788544

• 121555139104788544 squared (121555139104788544²) is 14775651842784493074035870953639936
• 121555139104788544 cubed (121555139104788544³) is 1796056415113594245915271519762068097434924393693184
• The square root of 121555139104788544 is 348647585.8295716695
• 121555139104788544 is a perfect cube number. Its cube root is 495364

Scales and comparisons

• 121,555,139,104,788,544 seconds is equal to 3,865,077,428 years, 41 weeks, 4 days, 4 hours, 49 minutes, 4 seconds.
• To count from 1 to 121,555,139,104,788,544 would take you about eleven billion, five hundred ninety-five million, two hundred thirty-two thousand, two hundred eighty-six 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 121555139104788544 cubic inches would be around 41280.3 feet tall.

Recreational maths with 121555139104788544

• 121555139104788544 backwards is 445887401931555121
• The number of decimal digits it has is: 18
• The sum of 121555139104788544's digits is 73
• More coming soon!