28153920

28,153,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 28153920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

28153920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 28153920:

2⁶ × 3 × 5 × 29327

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 29327)

See below for interesting mathematical facts about the number 28153920 from the Numbermatics database.

Names of 28153920

Cardinal: 28153920 can be written as Twenty-eight million, one hundred fifty-three thousand, nine hundred twenty.

Scientific notation

Scientific notation: 2.815392 × 10⁷

Factors of 28153920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 29337

Divisors of 28153920

Number of divisors d(n): 56
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 29327 58654 87981 117308 146635 175962 234616 293270 351924 439905 469232 586540 703848 879810 938464 1173080 1407696 1759620 1876928 2346160 2815392 3519240 4692320 5630784 7038480 9384640 14076960 28153920
Sum of all divisors σ(n): 89391744
Sum of proper divisors (its aliquot sum) s(n): 61237824
28153920 is an abundant number, because the sum of its proper divisors (61237824) is greater than itself. Its abundance is 33083904

Bases of 28153920

Binary: 1101011011001100001000000₂
Hexadecimal: 0x1AD9840
Base-36: GRFPC

Squares and roots of 28153920

28153920 squared (28153920²) is 792643211366400
28153920 cubed (28153920³) is 22316013561352716288000
The square root of 28153920 is 5306.0267620887
The cube root of 28153920 is 304.2142994979

Scales and comparisons

How big is 28153920?

28,153,920 seconds is equal to 46 weeks, 3 days, 20 hours, 32 minutes.
To count from 1 to 28,153,920 would take you about seventeen weeks!

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 28153920 cubic inches would be around 25.4 feet tall.

Recreational maths with 28153920

28153920 backwards is 02935182
28153920 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28153920's digits is 30
More coming soon!

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The information we have on file for 28153920 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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