121307777644

Names of 121307777644

• Cardinal: 121307777644 can be written as One hundred twenty-one billion, three hundred seven million, seven hundred seventy-seven thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.21307777644 × 10¹¹

Factors of 121307777644

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4989

Divisors of 121307777644

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 19 38 41 43 76 82 86 164 172 193 386 772 779 817 1558 1634 1763 3116 3268 3526 3667 4691 7052 7334 7913 8299 9382 14668 15826 16598 18764 31652 33196 33497 66994 89129 133988 150347 157681 178258 192331 201713 300694 315362 340259 356516 384662 403426 601388 630724 680518 769324 806852 905363 1361036 1810726 3621452 3654289 3832547 6464921 7308578 7665094 8270233 12929842 14617156 15330188 16540466 17201897 25859684 33080932 34403794 37119883 38930609 68807588 74239766 77861218 148479532 155722436 157134427 314268854 628537708 705277777 739681571 1410555554 1479363142 1596154969 2821111108 2958726284 3192309938 6384619876 30326944411 60653888822 121307777644
• Sum of all divisors σ(n): 235499362560
• Sum of proper divisors (its aliquot sum) s(n): 114191584916
• 121307777644 is a deficient number, because the sum of its proper divisors (114191584916) is less than itself. Its deficiency is 7116192728

Bases of 121307777644

• Binary: 1110000111110100000011100101001101100₂
• Hexadecimal: 0x1C3E81CA6C
• Base-36: 1JQ7IOA4

Squares and roots of 121307777644

• 121307777644 squared (121307777644²) is 14715576916926146190736
• 121307777644 cubed (121307777644³) is 1785113932541656002075640300705984
• The square root of 121307777644 is 348292.6609103329
• The cube root of 121307777644 is 4950.2775431089

Scales and comparisons

• 121,307,777,644 seconds is equal to 3,857 years, 11 weeks, 4 hours, 54 minutes, 4 seconds.
• To count from 1 to 121,307,777,644 would take you about seven thousand, seven 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 121307777644 cubic inches would be around 412.5 feet tall.

Recreational maths with 121307777644

• 121307777644 backwards is 446777703121
• The number of decimal digits it has is: 12
• The sum of 121307777644's digits is 49
• More coming soon!