28731129

28,731,129 is an odd composite number composed of five prime numbers multiplied together.

What does the number 28731129 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

28731129 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28731129:

3 × 7 × 37 × 103 × 359

See below for interesting mathematical facts about the number 28731129 from the Numbermatics database.

Names of 28731129

Cardinal: 28731129 can be written as Twenty-eight million, seven hundred thirty-one thousand, one hundred twenty-nine.

Scientific notation

Scientific notation: 2.8731129 × 10⁷

Factors of 28731129

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 509

Divisors of 28731129

Number of divisors d(n): 32
Complete list of divisors:
1 3 7 21 37 103 111 259 309 359 721 777 1077 2163 2513 3811 7539 11433 13283 26677 36977 39849 80031 92981 110931 258839 278943 776517 1368149 4104447 9577043 28731129
Sum of all divisors σ(n): 45527040
Sum of proper divisors (its aliquot sum) s(n): 16795911
28731129 is a deficient number, because the sum of its proper divisors (16795911) is less than itself. Its deficiency is 11935218

Bases of 28731129

Binary: 1101101100110011011111001₂
Hexadecimal: 0x1B666F9
Base-36: H3T2X

Squares and roots of 28731129

28731129 squared (28731129²) is 825477773614641
28731129 cubed (28731129³) is 23716908400355046859689
The square root of 28731129 is 5360.1426286993
The cube root of 28731129 is 306.2792423001

Scales and comparisons

How big is 28731129?

28,731,129 seconds is equal to 47 weeks, 3 days, 12 hours, 52 minutes, 9 seconds.
To count from 1 to 28,731,129 would take you about nineteen 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 28731129 cubic inches would be around 25.5 feet tall.

Recreational maths with 28731129

28731129 backwards is 92113782
The number of decimal digits it has is: 8
The sum of 28731129's digits is 33
More coming soon!

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The information we have on file for 28731129 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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