45440

45,440 is an even composite number composed of three prime numbers multiplied together.

What does the number 45440 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 32 divisors.

45440 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 45440:

2⁷ × 5 × 71

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71)

See below for interesting mathematical facts about the number 45440 from the Numbermatics database.

Names of 45440

Cardinal: 45440 can be written as Forty-five thousand, four hundred forty.

Scientific notation

Scientific notation: 4.544 × 10⁴

Factors of 45440

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 78

Divisors of 45440

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 71 80 128 142 160 284 320 355 568 640 710 1136 1420 2272 2840 4544 5680 9088 11360 22720 45440
Sum of all divisors σ(n): 110160
Sum of proper divisors (its aliquot sum) s(n): 64720
45440 is an abundant number, because the sum of its proper divisors (64720) is greater than itself. Its abundance is 19280

Bases of 45440

Binary: 1011000110000000₂
Hexadecimal: 0xB180
Base-36: Z28

Squares and roots of 45440

45440 squared (45440²) is 2064793600
45440 cubed (45440³) is 93824221184000
The square root of 45440 is 213.1666015115
The cube root of 45440 is 35.6844856179

Scales and comparisons

How big is 45440?

45,440 seconds is equal to 12 hours, 37 minutes, 20 seconds.
To count from 1 to 45,440 would take you about twelve 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 45440 cubic inches would be around 3 feet tall.

Recreational maths with 45440

45440 backwards is 04454
The number of decimal digits it has is: 5
The sum of 45440's digits is 17
More coming soon!

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The information we have on file for 45440 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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