161997432

161,997,432 is an even composite number composed of four prime numbers multiplied together.

What does the number 161997432 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

161997432 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 161997432:

2³ × 3 × 421 × 16033

(2 × 2 × 2 × 3 × 421 × 16033)

See below for interesting mathematical facts about the number 161997432 from the Numbermatics database.

Names of 161997432

Cardinal: 161997432 can be written as One hundred sixty-one million, nine hundred ninety-seven thousand, four hundred thirty-two.

Scientific notation

Scientific notation: 1.61997432 × 10⁸

Factors of 161997432

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 16459

Divisors of 161997432

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 8 12 24 421 842 1263 1684 2526 3368 5052 10104 16033 32066 48099 64132 96198 128264 192396 384792 6749893 13499786 20249679 26999572 40499358 53999144 80998716 161997432
Sum of all divisors σ(n): 405980880
Sum of proper divisors (its aliquot sum) s(n): 243983448
161997432 is an abundant number, because the sum of its proper divisors (243983448) is greater than itself. Its abundance is 81986016

Bases of 161997432

Binary: 1001101001111110001001111000₂
Hexadecimal: 0x9A7E278
Base-36: 2OG60O

Squares and roots of 161997432

161997432 squared (161997432²) is 26243167974594624
161997432 cubed (161997432³) is 4251325819428970329005568
The square root of 161997432 is 12727.8211803907
The cube root of 161997432 is 545.1332973617

Scales and comparisons

How big is 161997432?

161,997,432 seconds is equal to 5 years, 7 weeks, 5 days, 23 hours, 17 minutes, 12 seconds.
To count from 1 to 161,997,432 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 161997432 cubic inches would be around 45.4 feet tall.

Recreational maths with 161997432

161997432 backwards is 234799161
The number of decimal digits it has is: 9
The sum of 161997432's digits is 42
More coming soon!

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The information we have on file for 161997432 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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