309920

309,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 309920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

309920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 309920:

2⁵ × 5 × 13 × 149

(2 × 2 × 2 × 2 × 2 × 5 × 13 × 149)

See below for interesting mathematical facts about the number 309920 from the Numbermatics database.

Names of 309920

Cardinal: 309920 can be written as Three hundred nine thousand, nine hundred twenty.

Scientific notation

Scientific notation: 3.0992 × 10⁵

Factors of 309920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 169

Divisors of 309920

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 149 160 208 260 298 416 520 596 745 1040 1192 1490 1937 2080 2384 2980 3874 4768 5960 7748 9685 11920 15496 19370 23840 30992 38740 61984 77480 154960 309920
Sum of all divisors σ(n): 793800
Sum of proper divisors (its aliquot sum) s(n): 483880
309920 is an abundant number, because the sum of its proper divisors (483880) is greater than itself. Its abundance is 173960

Bases of 309920

Binary: 1001011101010100000₂
Hexadecimal: 0x4BAA0
Base-36: 6N4W

Squares and roots of 309920

309920 squared (309920²) is 96050406400
309920 cubed (309920³) is 29767941951488000
The square root of 309920 is 556.7045895267
The cube root of 309920 is 67.6731721713

Scales and comparisons

How big is 309920?

309,920 seconds is equal to 3 days, 14 hours, 5 minutes, 20 seconds.
To count from 1 to 309,920 would take you about three days.

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 309920 cubic inches would be around 5.6 feet tall.

Recreational maths with 309920

309920 backwards is 029903
The number of decimal digits it has is: 6
The sum of 309920's digits is 23
More coming soon!

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The information we have on file for 309920 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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