128040483240

Names of 128040483240

• Cardinal: 128040483240 can be written as One hundred twenty-eight billion, forty million, four hundred eighty-three thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.2804048324 × 10¹¹

Factors of 128040483240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 118556013

Divisors of 128040483240

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 118556003 237112006 355668009 474224012 592780015 711336018 948448024 1067004027 1185560030 1422672036 1778340045 2134008054 2371120060 2845344072 3201012081 3556680090 4268016108 4742240120 5335020135 6402024162 7113360180 8536032216 10670040270 12804048324 14226720360 16005060405 21340080540 25608096648 32010120810 42680161080 64020241620 128040483240
• Sum of all divisors σ(n): 426801614400
• Sum of proper divisors (its aliquot sum) s(n): 298761131160
• 128040483240 is an abundant number, because the sum of its proper divisors (298761131160) is greater than itself. Its abundance is 170720647920

Bases of 128040483240

• Binary: 1110111001111110011101011100110101000₂
• Hexadecimal: 0x1DCFCEB9A8
• Base-36: 1MTJZX60

Squares and roots of 128040483240

• 128040483240 squared (128040483240²) is 16394365348332720897600
• 128040483240 cubed (128040483240³) is 2099142461613632512032750556224000
• The square root of 128040483240 is 357827.4489750611
• The cube root of 128040483240 is 5040.2154528077

Scales and comparisons

• 128,040,483,240 seconds is equal to 4,071 years, 15 weeks, 1 day, 54 minutes.
• To count from 1 to 128,040,483,240 would take you about eight thousand, one hundred forty-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 128040483240 cubic inches would be around 420 feet tall.

Recreational maths with 128040483240

• 128040483240 backwards is 042384040821
• 128040483240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128040483240's digits is 36
• More coming soon!