28663628
28,663,628 is an even composite number composed of five prime numbers multiplied together.
28663628 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28663628:
22 × 72 × 19 × 43 × 179
(2 × 2 × 7 × 7 × 19 × 43 × 179)See below for interesting mathematical facts about the number 28663628 from the Numbermatics database.
Names of 28663628
- Cardinal: 28663628 can be written as Twenty-eight million, six hundred sixty-three thousand, six hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8663628 × 107
Factors of 28663628
Divisors of 28663628
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 14 19 28 38 43 49 76 86 98 133 172 179 196 266 301 358 532 602 716 817 931 1204 1253 1634 1862 2107 2506 3268 3401 3724 4214 5012 5719 6802 7697 8428 8771 11438 13604 15394 17542 22876 23807 30788 35084 40033 47614 53879 80066 95228 107758 146243 160132 166649 215516 292486 333298 377153 584972 666596 754306 1023701 1508612 2047402 4094804 7165907 14331814 28663628
- Sum of all divisors σ(n): 63201600
- Sum of proper divisors (its aliquot sum) s(n): 34537972
- 28663628 is an abundant number, because the sum of its proper divisors (34537972) is greater than itself. Its abundance is 5874344
Bases of 28663628
- Binary: 11011010101011111010011002
- Hexadecimal: 0x1B55F4C
- Base-36: H2CZW
Squares and roots of 28663628
- 28663628 squared (286636282) is 821603570122384
- 28663628 cubed (286636283) is 23550139097459929449152
-
The
square root of 28663628 is 5353.8423585309 -
The
cube root of 28663628 is 306.0391964257
Scales and comparisons
How big is 28663628?- 28,663,628 seconds is equal to 47 weeks, 2 days, 18 hours, 7 minutes, 8 seconds.
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To count from 1 to 28,663,628 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 28663628 cubic inches would be around 25.5 feet tall.
Recreational maths with 28663628
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The information we have on file for 28663628 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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