28739025
28,739,025 is an odd composite number composed of five prime numbers multiplied together.
28739025 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28739025:
32 × 52 × 7 × 71 × 257
(3 × 3 × 5 × 5 × 7 × 71 × 257)See below for interesting mathematical facts about the number 28739025 from the Numbermatics database.
Names of 28739025
- Cardinal: 28739025 can be written as Twenty-eight million, seven hundred thirty-nine thousand and twenty-five.
Scientific notation
- Scientific notation: 2.8739025 × 107
Factors of 28739025
Divisors of 28739025
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 7 9 15 21 25 35 45 63 71 75 105 175 213 225 257 315 355 497 525 639 771 1065 1285 1491 1575 1775 1799 2313 2485 3195 3855 4473 5325 5397 6425 7455 8995 11565 12425 15975 16191 18247 19275 22365 26985 37275 44975 54741 57825 80955 91235 111825 127729 134925 164223 273705 383187 404775 456175 638645 821115 1149561 1368525 1915935 3193225 4105575 5747805 9579675 28739025
- Sum of all divisors σ(n): 59889024
- Sum of proper divisors (its aliquot sum) s(n): 31149999
- 28739025 is an abundant number, because the sum of its proper divisors (31149999) is greater than itself. Its abundance is 2410974
Bases of 28739025
- Binary: 11011011010000101110100012
- Hexadecimal: 0x1B685D1
- Base-36: H3Z69
Squares and roots of 28739025
- 28739025 squared (287390252) is 825931557950625
- 28739025 cubed (287390253) is 23736467692231960640625
-
The
square root of 28739025 is 5360.8791256657 -
The
cube root of 28739025 is 306.3072973455
Scales and comparisons
How big is 28739025?- 28,739,025 seconds is equal to 47 weeks, 3 days, 15 hours, 3 minutes, 45 seconds.
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To count from 1 to 28,739,025 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 28739025 cubic inches would be around 25.5 feet tall.
Recreational maths with 28739025
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The information we have on file for 28739025 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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