121931539462728

Names of 121931539462728

• Cardinal: 121931539462728 can be written as One hundred twenty-one trillion, nine hundred thirty-one billion, five hundred thirty-nine million, four hundred sixty-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21931539462728 × 10¹⁴

Factors of 121931539462728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 433786

Divisors of 121931539462728

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 433781 867562 1301343 1735124 2602686 3470248 3904029 5205372 7808058 10410744 11712087 15616116 23424174 31232232 35136261 46848348 70272522 93696696 140545044 281090088 188165955961 376331911922 564497867883 752663823844 1128995735766 1505327647688 1693493603649 2257991471532 3386987207298 4515982943064 5080480810947 6773974414596 10160961621894 13547948829192 15241442432841 20321923243788 30482884865682 40643846487576 60965769731364 121931539462728
• Sum of all divisors σ(n): 341521997383545
• Sum of proper divisors (its aliquot sum) s(n): 219590457920817
• 121931539462728 is an abundant number, because the sum of its proper divisors (219590457920817) is greater than itself. Its abundance is 97658918458089

Bases of 121931539462728

• Binary: 11011101110010101100110000110001011101001001000₂
• Hexadecimal: 0x6EE56618BA48
• Base-36: 177YKQF0I0

Squares and roots of 121931539462728

• 121931539462728 squared (121931539462728²) is 14867300315750795570901201984
• 121931539462728 cubed (121931539462728³) is 1812792815154196584941101307790944767652352
• The square root of 121931539462728 is 11042261.5193957437
• The cube root of 121931539462728 is 49587.4777971113

Scales and comparisons

• 121,931,539,462,728 seconds is equal to 3,877,045 years, 41 weeks, 2 days, 16 hours, 58 minutes, 48 seconds.
• To count from 1 to 121,931,539,462,728 would take you about nine million, six hundred ninety-two thousand, six hundred fourteen 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 121931539462728 cubic inches would be around 4132.3 feet tall.

Recreational maths with 121931539462728

• 121931539462728 backwards is 827264935139121
• The number of decimal digits it has is: 15
• The sum of 121931539462728's digits is 63
• More coming soon!