21018148073825
21,018,148,073,825 is an odd composite number composed of five prime numbers multiplied together.
21018148073825 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 21018148073825:
52 × 72 × 194 × 312 × 137
(5 × 5 × 7 × 7 × 19 × 19 × 19 × 19 × 31 × 31 × 137)See below for interesting mathematical facts about the number 21018148073825 from the Numbermatics database.
Names of 21018148073825
- Cardinal: 21018148073825 can be written as Twenty-one trillion, eighteen billion, one hundred forty-eight million, seventy-three thousand, eight hundred twenty-five.
Scientific notation
- Scientific notation: 2.1018148073825 × 1013
Factors of 21018148073825
Divisors of 21018148073825
- Number of divisors d(n): 270
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Complete list of divisors:
1 5 7 19 25 31 35 49 95 133 137 155 175 217 245 361 475 589 665 685 775 931 959 961 1085 1225 1519 1805 2527 2603 2945 3325 3425 4123 4247 4655 4795 4805 5425 6713 6727 6859 7595 9025 11191 12635 13015 14725 17689 18221 18259 20615 21235 23275 23975 24025 28861 29729 33565 33635 34295 37975 47089 48013 49457 55955 63175 65075 78337 80693 88445 91105 91295 103075 106175 127547 127813 130321 131657 144305 148645 167825 168175 171475 208103 212629 235445 240065 247285 279775 336091 346199 346921 391685 403465 442225 455525 456475 548359 564851 637735 639065 651605 658285 721525 743225 894691 912247 921599 939683 1040515 1063145 1177225 1200325 1236425 1488403 1533167 1680455 1730995 1734605 1958425 2017325 2423393 2428447 2501483 2741795 2824255 3188675 3195325 3258025 3291425 3953957 4039951 4473455 4561235 4607995 4698415 5202575 5315725 6385729 6451193 6577781 6591499 7442015 7665835 8402275 8654975 8673025 10418821 10732169 12116965 12142235 12507415 13708975 14121275 16999129 17510381 17853977 19769785 20199755 22367275 22806175 23039975 23492075 28279657 29130173 31928645 32255965 32888905 32957495 37210075 38329175 46044467 46140493 47528177 52094105 53660845 60584825 60711175 62537075 75125183 84995645 87551905 89269885 98848925 100998775 122572667 124977839 125238481 141398285 145650865 159643225 161279825 164444525 164787475 197957599 203911211 230222335 230702465 237640885 260470525 268304225 322983451 332697239 375625915 424978225 437759525 446349425 553473287 612863335 624889195 626192405 706991425 728254325 874844873 876669367 903035363 989787995 1019556055 1151111675 1153512325 1188204425 1427378477 1614917255 1663486195 1878129575 2328880673 2767366435 3064316675 3124445975 3130962025 3874313009 4374224365 4383346835 4515176815 4948939975 5097780275 6136685569 6321247541 7136892385 8074586275 8317430975 11644403365 13836832175 17157671897 19371565045 21871121825 21916734175 22575884075 27120191063 30683427845 31606237705 35684461925 44248732787 58222016825 85788359485 96857825225 120103703279 135600955315 153417139225 158031188525 221243663935 428941797425 600518516395 678004776575 840725922953 1106218319675 3002592581975 4203629614765 21018148073825
- Sum of all divisors σ(n): 33308893708758
- Sum of proper divisors (its aliquot sum) s(n): 12290745634933
- 21018148073825 is a deficient number, because the sum of its proper divisors (12290745634933) is less than itself. Its deficiency is 8727402438892
Bases of 21018148073825
- Binary: 1001100011101101010110011111111110001011000012
- Hexadecimal: 0x131DAB3FF161
- Base-36: 7G7LQOV35
Squares and roots of 21018148073825
- 21018148073825 squared (210181480738252) is 441762548453233557650130625
- 21018148073825 cubed (210181480738253) is 9285030656860354132816945089103393390625
-
The
square root of 21018148073825 is 4584555.3845302163 -
The
cube root of 21018148073825 is 27597.1869611755
Scales and comparisons
How big is 21018148073825?- 21,018,148,073,825 seconds is equal to 668,312 years, 4 weeks, 6 days, 16 hours, 57 minutes, 5 seconds.
-
To count from 1 to 21,018,148,073,825 would take you about one million, six hundred seventy thousand, seven hundred eighty 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 21018148073825 cubic inches would be around 2299.8 feet tall.
Recreational maths with 21018148073825
- 21018148073825 backwards is 52837084181012
- The number of decimal digits it has is: 14
- The sum of 21018148073825's digits is 50
- More coming soon!
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The information we have on file for 21018148073825 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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