128107984123431868021440080

Names of 128107984123431868021440080

• Cardinal: 128107984123431868021440080 can be written as One hundred twenty-eight septillion, one hundred seven sextillion, nine hundred eighty-four quintillion, one hundred twenty-three quadrillion, four hundred thirty-one trillion, eight hundred sixty-eight billion, twenty-one million, four hundred forty thousand and eighty.

Scientific notation

• Scientific notation: 1.2810798412343186802144008 × 10²⁶

Factors of 128107984123431868021440080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 232895795504882458

Divisors of 128107984123431868021440080

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1480 2960 185833 371666 743332 929165 1486664 1858330 2973328 3716660 6875821 7433320 13751642 14866640 27503284 34379105 55006568 68758210 110013136 137516420 275032840 550065680 232895795504696581 465791591009393162 931583182018786324 1164478977523482905 1863166364037572648 2328957955046965810 3726332728075145296 4657915910093931620 8617144433673773497 9315831820187863240 17234288867347546994 18631663640375726480 34468577734695093988 43085722168368867485 68937155469390187976 86171444336737734970 137874310938780375952 172342888673475469940 344685777346950939880 689371554693901879760 43279724366024279736973 86559448732048559473946 173118897464097118947892 216398621830121398684865 346237794928194237895784 432797243660242797369730 692475589856388475791568 865594487320485594739460 1601349801542898350268001 1731188974640971189478920 3202699603085796700536002 3462377949281942378957840 6405399206171593401072004 8006749007714491751340005 12810798412343186802144008 16013498015428983502680010 25621596824686373604288016 32026996030857967005360020 64053992061715934010720040 128107984123431868021440080
• Sum of all divisors σ(n): 305902737926542237689834384
• Sum of proper divisors (its aliquot sum) s(n): 177794753803110369668394304
• 128107984123431868021440080 is an abundant number, because the sum of its proper divisors (177794753803110369668394304) is greater than itself. Its abundance is 49686769679678501646954224

Bases of 128107984123431868021440080

• Binary: 110100111110111111010111011110000100110110111111011000100111100101000010111111001010000₂
• Hexadecimal: 0x69F7EBBC26DFB13CA17E50
• Base-36: G3HAHGUKIZVB223WW

Squares and roots of 128107984123431868021440080

• 128107984123431868021440080 squared (128107984123431868021440080²) is 16411655596169471562396940894459642249398557030406400
• 128107984123431868021440080 cubed (128107984123431868021440080³) is 2102464114553310431763721034190235673875934251661862662063679765771675648512000
• The square root of 128107984123431868021440080 is 11318479762027.7551133479
• The cube root of 128107984123431868021440080 is 504110100.4050705921

Scales and comparisons

• 128,107,984,123,431,868,021,440,080 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 128,107,984,123,431,868,021,440,080 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 128107984123431868021440080 cubic inches would be around 42009175 feet tall.

Recreational maths with 128107984123431868021440080

• 128107984123431868021440080 backwards is 080044120868134321489701821
• The number of decimal digits it has is: 27
• The sum of 128107984123431868021440080's digits is 95
• More coming soon!