145521

145,521 is an odd composite number composed of four prime numbers multiplied together.

What does the number 145521 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

145521 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 145521:

3² × 19 × 23 × 37

(3 × 3 × 19 × 23 × 37)

See below for interesting mathematical facts about the number 145521 from the Numbermatics database.

Names of 145521

Cardinal: 145521 can be written as One hundred forty-five thousand, five hundred twenty-one.

Scientific notation

Scientific notation: 1.45521 × 10⁵

Factors of 145521

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 82

Divisors of 145521

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 19 23 37 57 69 111 171 207 333 437 703 851 1311 2109 2553 3933 6327 7659 16169 48507 145521
Sum of all divisors σ(n): 237120
Sum of proper divisors (its aliquot sum) s(n): 91599
145521 is a deficient number, because the sum of its proper divisors (91599) is less than itself. Its deficiency is 53922

Bases of 145521

Binary: 100011100001110001₂
Hexadecimal: 0x23871
Base-36: 34A9

Squares and roots of 145521

145521 squared (145521²) is 21176361441
145521 cubed (145521³) is 3081605293255761
The square root of 145521 is 381.4721483935
The cube root of 145521 is 52.5987257953

Scales and comparisons

How big is 145521?

145,521 seconds is equal to 1 day, 16 hours, 25 minutes, 21 seconds.
To count from 1 to 145,521 would take you about sixteen 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 145521 cubic inches would be around 4.4 feet tall.

Recreational maths with 145521

145521 backwards is 125541
The number of decimal digits it has is: 6
The sum of 145521's digits is 18
More coming soon!

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The information we have on file for 145521 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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