121994307855

Names of 121994307855

• Cardinal: 121994307855 can be written as One hundred twenty-one billion, nine hundred ninety-four million, three hundred seven thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.21994307855 × 10¹¹

Factors of 121994307855

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4031

Divisors of 121994307855

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 15 19 21 35 45 57 63 67 79 95 105 133 171 201 237 285 315 335 395 399 469 553 603 665 711 855 1005 1185 1197 1273 1407 1501 1659 1995 2345 2765 3015 3555 3819 3851 4221 4503 4977 5293 5985 6365 7035 7505 8295 8911 10507 11457 11553 13509 15879 19095 19255 21105 22515 24885 26465 26733 26957 31521 34659 37051 44555 47637 52535 57285 57765 67545 73169 79395 80199 80871 94563 100567 111153 133665 134785 157605 173295 185255 219507 238185 242613 258017 301701 304229 333459 365845 400995 404355 472815 502835 512183 555765 658521 703969 774051 905103 912687 1097535 1213065 1290085 1508505 1521145 1536549 1667295 1806119 2111907 2129603 2322153 2560915 2738061 3292605 3519845 3870255 4525515 4563435 4609647 4902323 5418357 5780351 6335721 6388809 7682745 9030595 10559535 10648015 11610765 13690305 14706969 16255071 17341053 19166427 20383343 23048235 24511615 27091785 28901755 31678605 31944045 34316261 40462457 44120907 52023159 61150029 73534845 81275355 86705265 95832135 101916715 102948783 121387371 142683401 171581305 183450087 202312285 220604535 260115795 305750145 308846349 364162113 387283517 428050203 514743915 606936855 713417005 917250435 1161850551 1284150609 1544231745 1820810565 1936417585 2140251015 2710984619 3485551653 5809252755 6420753045 8132953857 13554923095 17427758265 24398861571 40664769285 121994307855
• Sum of all divisors σ(n): 261516902400
• Sum of proper divisors (its aliquot sum) s(n): 139522594545
• 121994307855 is an abundant number, because the sum of its proper divisors (139522594545) is greater than itself. Its abundance is 17528286690

Bases of 121994307855

• Binary: 1110001100111011011010110100100001111₂
• Hexadecimal: 0x1C676D690F
• Base-36: 1K1K9EDR

Squares and roots of 121994307855

• 121994307855 squared (121994307855²) is 14882611149020514701025
• 121994307855 cubed (121994307855³) is 1815593846199863952147397134051375
• The square root of 121994307855 is 349276.8355545497
• The cube root of 121994307855 is 4959.5985282355

Scales and comparisons

• 121,994,307,855 seconds is equal to 3,879 years, 2 weeks, 1 day, 3 hours, 44 minutes, 15 seconds.
• To count from 1 to 121,994,307,855 would take you about seven thousand, seven hundred fifty-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 121994307855 cubic inches would be around 413.3 feet tall.

Recreational maths with 121994307855

• 121994307855 backwards is 558703499121
• The number of decimal digits it has is: 12
• The sum of 121994307855's digits is 54
• More coming soon!