128335413321728

Names of 128335413321728

• Cardinal: 128335413321728 can be written as One hundred twenty-eight trillion, three hundred thirty-five billion, four hundred thirteen million, three hundred twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28335413321728 × 10¹⁴

Factors of 128335413321728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 48622

Divisors of 128335413321728

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 571 1024 1142 2048 2284 4096 4568 8192 9136 18272 36544 48049 73088 96098 146176 192196 292352 326041 384392 584704 652082 768784 1169408 1304164 1537568 2338816 2608328 3075136 4677632 5216656 6150272 10433312 12300544 20866624 24601088 27435979 41733248 49202176 54871958 83466496 98404352 109743916 166932992 196808704 219487832 333865984 393617408 438975664 667731968 877951328 1335463936 1755902656 2670927872 3511805312 7023610624 14047221248 15665944009 28094442496 31331888018 56188884992 62663776036 112377769984 125327552072 224755539968 250655104144 501310208288 1002620416576 2005240833152 4010481666304 8020963332608 16041926665216 32083853330432 64167706660864 128335413321728
• Sum of all divisors σ(n): 257110782430950
• Sum of proper divisors (its aliquot sum) s(n): 128775369109222
• 128335413321728 is an abundant number, because the sum of its proper divisors (128775369109222) is greater than itself. Its abundance is 439955787494

Bases of 128335413321728

• Binary: 11101001011100001101010101110010010000000000000₂
• Hexadecimal: 0x74B86AB92000
• Base-36: 19HOH3KI68

Squares and roots of 128335413321728

• 128335413321728 squared (128335413321728²) is 16469978312458760610836905984
• 128335413321728 cubed (128335413321728³) is 2113681474129291270970618738902147480420352
• The square root of 128335413321728 is 11328522.1155156863
• The cube root of 128335413321728 is 50440.8238412653

Scales and comparisons

• 128,335,413,321,728 seconds is equal to 4,080,669 years, 9 weeks, 1 day, 2 hours, 42 minutes, 8 seconds.
• To count from 1 to 128,335,413,321,728 would take you about ten million, two hundred one thousand, six hundred seventy-two 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 128335413321728 cubic inches would be around 4203.4 feet tall.

Recreational maths with 128335413321728

• 128335413321728 backwards is 827123314533821
• The number of decimal digits it has is: 15
• The sum of 128335413321728's digits is 53
• More coming soon!