128529029227440

Names of 128529029227440

• Cardinal: 128529029227440 can be written as One hundred twenty-eight trillion, five hundred twenty-nine billion, twenty-nine million, two hundred twenty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2852902922744 × 10¹⁴

Factors of 128529029227440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 535537621791

Divisors of 128529029227440

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 535537621781 1071075243562 1606612865343 2142150487124 2677688108905 3213225730686 4284300974248 5355376217810 6426451461372 8033064326715 8568601948496 10710752435620 12852902922744 16066128653430 21421504871240 25705805845488 32132257306860 42843009742480 64264514613720 128529029227440
• Sum of all divisors σ(n): 398439990605808
• Sum of proper divisors (its aliquot sum) s(n): 269910961378368
• 128529029227440 is an abundant number, because the sum of its proper divisors (269910961378368) is greater than itself. Its abundance is 141381932150928

Bases of 128529029227440

• Binary: 11101001110010101111111001000010110001110110000₂
• Hexadecimal: 0x74E57F2163B0
• Base-36: 19K5F5HB5C

Squares and roots of 128529029227440

• 128529029227440 squared (128529029227440²) is 16519711354148125763248953600
• 128529029227440 cubed (128529029227440³) is 2123262463466176876907721615067396406784000
• The square root of 128529029227440 is 11337064.4007803007
• The cube root of 128529029227440 is 50466.1772968511

Scales and comparisons

• 128,529,029,227,440 seconds is equal to 4,086,825 years, 29 weeks, 1 day, 22 hours, 44 minutes.
• To count from 1 to 128,529,029,227,440 would take you about ten million, two hundred seventeen thousand and sixty-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 128529029227440 cubic inches would be around 4205.5 feet tall.

Recreational maths with 128529029227440

• 128529029227440 backwards is 044722920925821
• The number of decimal digits it has is: 15
• The sum of 128529029227440's digits is 57
• More coming soon!