155309445

155,309,445 is an odd composite number composed of three prime numbers multiplied together.

What does the number 155309445 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

155309445 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 155309445:

3² × 5 × 3451321

(3 × 3 × 5 × 3451321)

See below for interesting mathematical facts about the number 155309445 from the Numbermatics database.

Names of 155309445

Cardinal: 155309445 can be written as One hundred fifty-five million, three hundred nine thousand, four hundred forty-five.

Scientific notation

Scientific notation: 1.55309445 × 10⁸

Factors of 155309445

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 3451329

Divisors of 155309445

Number of divisors d(n): 12
Complete list of divisors:
1 3 5 9 15 45 3451321 10353963 17256605 31061889 51769815 155309445
Sum of all divisors σ(n): 269203116
Sum of proper divisors (its aliquot sum) s(n): 113893671
155309445 is a deficient number, because the sum of its proper divisors (113893671) is less than itself. Its deficiency is 41415774

Bases of 155309445

Binary: 1001010000011101010110000101₂
Hexadecimal: 0x941D585
Base-36: 2KGTJ9

Squares and roots of 155309445

155309445 squared (155309445²) is 24121023706208025
155309445 cubed (155309445³) is 3746222804643011417296125
The square root of 155309445 is 12462.3210117539
The cube root of 155309445 is 537.5257690909

Scales and comparisons

How big is 155309445?

155,309,445 seconds is equal to 4 years, 48 weeks, 5 days, 13 hours, 30 minutes, 45 seconds.
To count from 1 to 155,309,445 would take you about seven 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 155309445 cubic inches would be around 44.8 feet tall.

Recreational maths with 155309445

155309445 backwards is 544903551
The number of decimal digits it has is: 9
The sum of 155309445's digits is 36
More coming soon!

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The information we have on file for 155309445 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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