28978144

28,978,144 is an even composite number composed of four prime numbers multiplied together.

What does the number 28978144 look like?

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

28978144 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 28978144:

2⁵ × 13 × 41 × 1699

(2 × 2 × 2 × 2 × 2 × 13 × 41 × 1699)

See below for interesting mathematical facts about the number 28978144 from the Numbermatics database.

Names of 28978144

Cardinal: 28978144 can be written as Twenty-eight million, nine hundred seventy-eight thousand, one hundred forty-four.

Scientific notation

Scientific notation: 2.8978144 × 10⁷

Factors of 28978144

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 1755

Divisors of 28978144

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 8 13 16 26 32 41 52 82 104 164 208 328 416 533 656 1066 1312 1699 2132 3398 4264 6796 8528 13592 17056 22087 27184 44174 54368 69659 88348 139318 176696 278636 353392 557272 706784 905567 1114544 1811134 2229088 3622268 7244536 14489072 28978144
Sum of all divisors σ(n): 62974800
Sum of proper divisors (its aliquot sum) s(n): 33996656
28978144 is an abundant number, because the sum of its proper divisors (33996656) is greater than itself. Its abundance is 5018512

Bases of 28978144

Binary: 1101110100010101111100000₂
Hexadecimal: 0x1BA2BE0
Base-36: H93OG

Squares and roots of 28978144

28978144 squared (28978144²) is 839732829684736
28978144 cubed (28978144³) is 24333898860131754409984
The square root of 28978144 is 5383.1351459907
The cube root of 28978144 is 307.1544809219

Scales and comparisons

How big is 28978144?

28,978,144 seconds is equal to 47 weeks, 6 days, 9 hours, 29 minutes, 4 seconds.
To count from 1 to 28,978,144 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 28978144 cubic inches would be around 25.6 feet tall.

Recreational maths with 28978144

28978144 backwards is 44187982
The number of decimal digits it has is: 8
The sum of 28978144's digits is 43
More coming soon!

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The information we have on file for 28978144 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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