128829326464

Names of 128829326464

• Cardinal: 128829326464 can be written as One hundred twenty-eight billion, eight hundred twenty-nine million, three hundred twenty-six thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.28829326464 × 10¹¹

Factors of 128829326464

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12704

Divisors of 128829326464

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 32 43 64 86 128 172 344 688 1376 1849 2752 3698 5504 7396 12659 14792 25318 29584 50636 59168 79507 101272 118336 159014 202544 236672 318028 405088 544337 636056 810176 1088674 1272112 1620352 2177348 2544224 4354696 5088448 8709392 10176896 17418784 23406491 34837568 46812982 69675136 93625964 187251928 374503856 749007712 1006479113 1498015424 2012958226 2996030848 4025916452 8051832904 16103665808 32207331616 64414663232 128829326464
• Sum of all divisors σ(n): 262783620000
• Sum of proper divisors (its aliquot sum) s(n): 133954293536
• 128829326464 is an abundant number, because the sum of its proper divisors (133954293536) is greater than itself. Its abundance is 5124967072

Bases of 128829326464

• Binary: 1110111111110110100111000010010000000₂
• Hexadecimal: 0x1DFED38480
• Base-36: 1N6LNKHS

Squares and roots of 128829326464

• 128829326464 squared (128829326464²) is 16596995357167890743296
• 128829326464 cubed (128829326464³) is 2138179733190074479026364003385344
• The square root of 128829326464 is 358928.0240716793
• The cube root of 128829326464 is 5050.5450049189

Scales and comparisons

• 128,829,326,464 seconds is equal to 4,096 years, 19 weeks, 3 days, 4 hours, 1 minute, 4 seconds.
• To count from 1 to 128,829,326,464 would take you about eight thousand, one hundred ninety-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 128829326464 cubic inches would be around 420.9 feet tall.

Recreational maths with 128829326464

• 128829326464 backwards is 464623928821
• The number of decimal digits it has is: 12
• The sum of 128829326464's digits is 55
• More coming soon!