128018

128,018 is an even composite number composed of three prime numbers multiplied together.

What does the number 128018 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

128018 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 128018:

2 × 112 × 232

(2 × 11 × 11 × 23 × 23)

See below for interesting mathematical facts about the number 128018 from the Numbermatics database.

Names of 128018

• Cardinal: 128018 can be written as One hundred twenty-eight thousand and eighteen.

Scientific notation

• Scientific notation: 1.28018 × 105

Factors of 128018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 36

Divisors of 128018

• Number of divisors d(n): 18
• Complete list of divisors:
• Sum of all divisors σ(n): 220647
• Sum of proper divisors (its aliquot sum) s(n): 92629
• 128018 is a deficient number, because the sum of its proper divisors (92629) is less than itself. Its deficiency is 35389

Bases of 128018

• Binary: 111110100000100102
• Base-36: 2QS2

Squares and roots of 128018

• 128018 squared (1280182) is 16388608324
• 128018 cubed (1280183) is 2098036860421832
• The square root of 128018 is 357.7960312803
• The cube root of 128018 is 50.3992042371

Scales and comparisons

How big is 128018?
• 128,018 seconds is equal to 11 hours, 33 minutes, 38 seconds.
• To count from 1 to 128,018 would take you about eleven hours.

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 128018 cubic inches would be around 4.2 feet tall.

Recreational maths with 128018

• 128018 backwards is 810821
• The number of decimal digits it has is: 6
• The sum of 128018's digits is 20
• More coming soon!

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