157997

157,997 is an odd composite number composed of two prime numbers multiplied together.

What does the number 157997 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

157997 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 157997:

7 × 22571

See below for interesting mathematical facts about the number 157997 from the Numbermatics database.

Names of 157997

Cardinal: 157997 can be written as One hundred fifty-seven thousand, nine hundred ninety-seven.

Scientific notation

Scientific notation: 1.57997 × 10⁵

Factors of 157997

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 22578

Divisors of 157997

Number of divisors d(n): 4
Complete list of divisors:
1 7 22571 157997
Sum of all divisors σ(n): 180576
Sum of proper divisors (its aliquot sum) s(n): 22579
157997 is a deficient number, because the sum of its proper divisors (22579) is less than itself. Its deficiency is 135418

Bases of 157997

Binary: 100110100100101101₂
Hexadecimal: 0x2692D
Base-36: 3DWT

Squares and roots of 157997

157997 squared (157997²) is 24963052009
157997 cubed (157997³) is 3944087328265973
The square root of 157997 is 397.4883646095
The cube root of 157997 is 54.0608595959

Scales and comparisons

How big is 157997?

157,997 seconds is equal to 1 day, 19 hours, 53 minutes, 17 seconds.
To count from 1 to 157,997 would take you about nineteen 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 157997 cubic inches would be around 4.5 feet tall.

Recreational maths with 157997

157997 backwards is 799751
The number of decimal digits it has is: 6
The sum of 157997's digits is 38
More coming soon!

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The information we have on file for 157997 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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