28920990
28,920,990 is an even composite number composed of six prime numbers multiplied together.
What does the number 28920990 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 64 divisors.
28920990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28920990:
2 × 3 × 5 × 7 × 41 × 3359
See below for interesting mathematical facts about the number 28920990 from the Numbermatics database.
Names of 28920990
- Cardinal: 28920990 can be written as Twenty-eight million, nine hundred twenty thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.892099 × 107
Factors of 28920990
Divisors of 28920990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 41 42 70 82 105 123 205 210 246 287 410 574 615 861 1230 1435 1722 2870 3359 4305 6718 8610 10077 16795 20154 23513 33590 47026 50385 70539 100770 117565 137719 141078 235130 275438 352695 413157 688595 705390 826314 964033 1377190 1928066 2065785 2892099 4131570 4820165 5784198 9640330 14460495 28920990
- Sum of all divisors σ(n): 81285120
- Sum of proper divisors (its aliquot sum) s(n): 52364130
- 28920990 is an abundant number, because the sum of its proper divisors (52364130) is greater than itself. Its abundance is 23443140
Bases of 28920990
- Binary: 11011100101001100100111102
- Hexadecimal: 0x1B94C9E
- Base-36: H7VKU
Squares and roots of 28920990
- 28920990 squared (289209902) is 836423662580100
- 28920990 cubed (289209903) is 24190200381242446299000
-
The
square root of 28920990 is 5377.8239093521 -
The
cube root of 28920990 is 306.9524129857
Scales and comparisons
How big is 28920990?- 28,920,990 seconds is equal to 47 weeks, 5 days, 17 hours, 36 minutes, 30 seconds.
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To count from 1 to 28,920,990 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 28920990 cubic inches would be around 25.6 feet tall.
Recreational maths with 28920990
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The information we have on file for 28920990 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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