28948221

28,948,221 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28948221 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

28948221 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28948221:

3² × 61 × 67 × 787

(3 × 3 × 61 × 67 × 787)

See below for interesting mathematical facts about the number 28948221 from the Numbermatics database.

Names of 28948221

Cardinal: 28948221 can be written as Twenty-eight million, nine hundred forty-eight thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 2.8948221 × 10⁷

Factors of 28948221

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 918

Divisors of 28948221

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 61 67 183 201 549 603 787 2361 4087 7083 12261 36783 48007 52729 144021 158187 432063 474561 3216469 9649407 28948221
Sum of all divisors σ(n): 43188704
Sum of proper divisors (its aliquot sum) s(n): 14240483
28948221 is a deficient number, because the sum of its proper divisors (14240483) is less than itself. Its deficiency is 14707738

Bases of 28948221

Binary: 1101110011011011011111101₂
Hexadecimal: 0x1B9B6FD
Base-36: H8GL9

Squares and roots of 28948221

28948221 squared (28948221²) is 837999499064841
28948221 cubed (28948221³) is 24258594696818310597861
The square root of 28948221 is 5380.3550998053
The cube root of 28948221 is 307.0487213431

Scales and comparisons

How big is 28948221?

28,948,221 seconds is equal to 47 weeks, 6 days, 1 hour, 10 minutes, 21 seconds.
To count from 1 to 28,948,221 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 28948221 cubic inches would be around 25.6 feet tall.

Recreational maths with 28948221

28948221 backwards is 12284982
The number of decimal digits it has is: 8
The sum of 28948221's digits is 36
More coming soon!

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The information we have on file for 28948221 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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