28137438225
28,137,438,225 is an odd composite number composed of six prime numbers multiplied together.
28137438225 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28137438225:
32 × 52 × 13 × 17 × 571 × 991
(3 × 3 × 5 × 5 × 13 × 17 × 571 × 991)See below for interesting mathematical facts about the number 28137438225 from the Numbermatics database.
Names of 28137438225
- Cardinal: 28137438225 can be written as Twenty-eight billion, one hundred thirty-seven million, four hundred thirty-eight thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 2.8137438225 × 1010
Factors of 28137438225
Divisors of 28137438225
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 5 9 13 15 17 25 39 45 51 65 75 85 117 153 195 221 225 255 325 425 571 585 663 765 975 991 1105 1275 1713 1989 2855 2925 2973 3315 3825 4955 5139 5525 7423 8565 8919 9707 9945 12883 14275 14865 16575 16847 22269 24775 25695 29121 37115 38649 42825 44595 48535 49725 50541 64415 66807 74325 84235 87363 111345 115947 126191 128475 145605 151623 185575 193245 219011 222975 242675 252705 322075 334035 378573 421175 436815 556725 565861 579735 630955 657033 728025 758115 966225 1095055 1135719 1263525 1670175 1697583 1892865 1971099 2184075 2829305 2898675 3154775 3285165 3790575 5092749 5475275 5678595 7356193 8487915 9464325 9619637 9855495 14146525 16425825 22068579 25463745 28392975 28858911 36780965 42439575 48098185 49277475 66205737 86576733 110342895 125055281 127318725 144294555 183904825 240490925 331028685 375165843 432883665 551714475 625276405 721472775 1125497529 1655143425 1875829215 2164418325 3126382025 5627487645 9379146075 28137438225
- Sum of all divisors σ(n): 57625311744
- Sum of proper divisors (its aliquot sum) s(n): 29487873519
- 28137438225 is an abundant number, because the sum of its proper divisors (29487873519) is greater than itself. Its abundance is 1350435294
Bases of 28137438225
- Binary: 110100011010001111100111100000100012
- Hexadecimal: 0x68D1F3C11
- Base-36: CXCAYA9
Squares and roots of 28137438225
- 28137438225 squared (281374382252) is 791715429865691150625
- 28137438225 cubed (281374382253) is 22276843999625204797640107640625
-
The
square root of 28137438225 is 167742.1778355105 -
The
cube root of 28137438225 is 3041.5492386601
Scales and comparisons
How big is 28137438225?- 28,137,438,225 seconds is equal to 894 years, 35 weeks, 3 days, 19 hours, 3 minutes, 45 seconds.
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To count from 1 to 28,137,438,225 would take you about one thousand, seven hundred eighty-nine years!
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 28137438225 cubic inches would be around 253.5 feet tall.
Recreational maths with 28137438225
- 28137438225 backwards is 52283473182
- 28137438225 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28137438225's digits is 45
- More coming soon!
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The information we have on file for 28137438225 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!
Keywords: Divisors of 28137438225, math, Factors of 28137438225, curriculum, school, college, exams, university, Prime factorization of 28137438225, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight billion, one hundred thirty-seven million, four hundred thirty-eight thousand, two hundred twenty-five.