128513133472

Names of 128513133472

• Cardinal: 128513133472 can be written as One hundred twenty-eight billion, five hundred thirteen million, one hundred thirty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.28513133472 × 10¹¹

Factors of 128513133472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 464

Divisors of 128513133472

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 181 281 362 562 724 1124 1448 2248 2896 4496 5792 8992 50861 78961 101722 157922 203444 315844 406888 631688 813776 1263376 1627552 2526752 14291941 22188041 28583882 44376082 57167764 88752164 114335528 177504328 228671056 355008656 457342112 710017312 4016035421 8032070842 16064141684 32128283368 64256566736 128513133472
• Sum of all divisors σ(n): 255316678344
• Sum of proper divisors (its aliquot sum) s(n): 126803544872
• 128513133472 is a deficient number, because the sum of its proper divisors (126803544872) is less than itself. Its deficiency is 1709588600

Bases of 128513133472

• Binary: 1110111101011111110101100101110100000₂
• Hexadecimal: 0x1DEBFACBA0
• Base-36: 1N1DEGF4

Squares and roots of 128513133472

• 128513133472 squared (128513133472²) is 16515625474792086774784
• 128513133472 cubed (128513133472³) is 2122474781015518819137222195970048
• The square root of 128513133472 is 358487.2849516425
• The cube root of 128513133472 is 5046.4096752375

Scales and comparisons

• 128,513,133,472 seconds is equal to 4,086 years, 16 weeks, 4 days, 12 hours, 37 minutes, 52 seconds.
• To count from 1 to 128,513,133,472 would take you about eight thousand, one 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 128513133472 cubic inches would be around 420.5 feet tall.

Recreational maths with 128513133472

• 128513133472 backwards is 274331315821
• The number of decimal digits it has is: 12
• The sum of 128513133472's digits is 40
• More coming soon!