121988638399095

Names of 121988638399095

• Cardinal: 121988638399095 can be written as One hundred twenty-one trillion, nine hundred eighty-eight billion, six hundred thirty-eight million, three hundred ninety-nine thousand and ninety-five.

Scientific notation

• Scientific notation: 1.21988638399095 × 10¹⁴

Factors of 121988638399095

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 16550091

Divisors of 121988638399095

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1755 4201 12603 21005 37809 54613 63015 113427 163839 189045 273065 491517 567135 819195 1474551 2457585 7372755 16545869 49637607 82729345 148912821 215096297 248188035 446738463 645288891 744564105 1075481485 1935866673 2233692315 3226444455 5807600019 9679333365 29038000095 69509195669 208527587007 347545978345 625582761021 903619543697 1042637935035 1876748283063 2710858631091 3127913805105 4518097718485 8132575893273 9383741415315 13554293155455 24397727679819 40662879466365 121988638399095
• Sum of all divisors σ(n): 233606505686400
• Sum of proper divisors (its aliquot sum) s(n): 111617867287305
• 121988638399095 is a deficient number, because the sum of its proper divisors (111617867287305) is less than itself. Its deficiency is 10370771111790

Bases of 121988638399095

• Binary: 11011101111001010110001011101010101101001110111₂
• Hexadecimal: 0x6EF2B1755A77
• Base-36: 178OT1NDRR

Squares and roots of 121988638399095

• 121988638399095 squared (121988638399095²) is 14881227898465155124496819025
• 121988638399095 cubed (121988638399095³) is 1815340729040390212234038472603295938782375
• The square root of 121988638399095 is 11044846.6897053397
• The cube root of 121988638399095 is 49595.2169770883

Scales and comparisons

• 121,988,638,399,095 seconds is equal to 3,878,861 years, 19 weeks, 38 minutes, 15 seconds.
• To count from 1 to 121,988,638,399,095 would take you about nine million, six hundred ninety-seven thousand, one hundred fifty-three 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 121988638399095 cubic inches would be around 4132.9 feet tall.

Recreational maths with 121988638399095

• 121988638399095 backwards is 590993836889121
• The number of decimal digits it has is: 15
• The sum of 121988638399095's digits is 81
• More coming soon!