21018207210
21,018,207,210 is an even composite number composed of eight prime numbers multiplied together.
What does the number 21018207210 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 384 divisors.
21018207210 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21018207210:
2 × 3 × 5 × 7 × 11 × 132 × 17 × 3167
(2 × 3 × 5 × 7 × 11 × 13 × 13 × 17 × 3167)See below for interesting mathematical facts about the number 21018207210 from the Numbermatics database.
Names of 21018207210
- Cardinal: 21018207210 can be written as Twenty-one billion, eighteen million, two hundred seven thousand, two hundred ten.
Scientific notation
- Scientific notation: 2.101820721 × 1010
Factors of 21018207210
Divisors of 21018207210
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 10 11 13 14 15 17 21 22 26 30 33 34 35 39 42 51 55 65 66 70 77 78 85 91 102 105 110 119 130 143 154 165 169 170 182 187 195 210 221 231 238 255 273 286 330 338 357 374 385 390 429 442 455 462 507 510 546 561 595 663 714 715 770 845 858 910 935 1001 1014 1105 1122 1155 1183 1190 1309 1326 1365 1430 1547 1690 1785 1859 1870 2002 2145 2210 2310 2366 2431 2535 2618 2730 2805 2873 3003 3094 3167 3315 3549 3570 3718 3927 4290 4641 4862 5005 5070 5577 5610 5746 5915 6006 6334 6545 6630 7098 7293 7735 7854 8619 9282 9295 9501 10010 11154 11830 12155 13013 13090 14365 14586 15015 15470 15835 17017 17238 17745 18590 19002 19635 20111 22169 23205 24310 26026 27885 28730 30030 31603 31670 34034 34837 35490 36465 39039 39270 40222 41171 43095 44338 46410 47505 51051 53839 55770 60333 63206 65065 66507 69674 72930 78078 82342 85085 86190 94809 95010 100555 102102 104511 107678 110845 120666 123513 130130 133014 158015 161517 170170 174185 189618 195195 201110 205855 209022 221221 221690 243859 247026 255255 269195 288197 301665 316030 323034 332535 348370 376873 390390 411710 442442 452881 474045 487718 510510 522555 535223 538390 576394 592229 603330 617565 663663 665070 699907 731577 753746 807585 864591 905762 948090 1045110 1070446 1106105 1130619 1184458 1219295 1235130 1327326 1358643 1399814 1440985 1463154 1605669 1615170 1729182 1776687 1884365 2099721 2212210 2261238 2264405 2438590 2676115 2717286 2881970 2961145 3170167 3211338 3318315 3499535 3553374 3657885 3746561 3768730 4145603 4199442 4322955 4528810 4899349 5352230 5653095 5887453 5922290 6340334 6636630 6793215 6999070 7315770 7493122 7698977 8028345 8291206 8645910 8883435 9098791 9510501 9798698 10498605 11239683 11306190 11774906 12436809 13586430 14698047 15397954 15850835 16056690 17662359 17766870 18197582 18732805 19021002 20728015 20997210 22479366 23096931 24496745 24873618 27296373 29396094 29437265 31701670 35324718 37465610 38494885 41212171 41456030 45493955 46193862 47552505 48993490 53892839 54592746 56198415 58874530 62184045 63691537 73490235 76989770 82424342 88311795 90987910 95105010 100086701 107785678 112396830 115484655 123636513 124368090 127383074 136481865 146980470 161678517 176623590 191074611 200173402 206060855 230969310 247273026 269464195 272963730 300260103 318457685 323357034 382149222 412121710 500433505 538928390 600520206 618182565 636915370 700606907 808392585 955373055 1000867010 1236365130 1401213814 1501300515 1616785170 1910746110 2101820721 3002601030 3503034535 4203641442 7006069070 10509103605 21018207210
- Sum of all divisors σ(n): 72129429504
- Sum of proper divisors (its aliquot sum) s(n): 51111222294
- 21018207210 is an abundant number, because the sum of its proper divisors (51111222294) is greater than itself. Its abundance is 30093015084
Bases of 21018207210
- Binary: 100111001001100100001100011111010102
- Hexadecimal: 0x4E4C863EA
- Base-36: 9NLP4H6
Squares and roots of 21018207210
- 21018207210 squared (210182072102) is 441765034322495984100
- 21018207210 cubed (210182072103) is 9285109029522982558206665361000
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The
square root of 21018207210 is 144976.5746939829 -
The
cube root of 21018207210 is 2759.7212843421
Scales and comparisons
How big is 21018207210?- 21,018,207,210 seconds is equal to 668 years, 16 weeks, 2 days, 6 hours, 53 minutes, 30 seconds.
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To count from 1 to 21,018,207,210 would take you about one thousand, three hundred thirty-six 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 21018207210 cubic inches would be around 230 feet tall.
Recreational maths with 21018207210
- 21018207210 backwards is 01270281012
- The number of decimal digits it has is: 11
- The sum of 21018207210's digits is 24
- More coming soon!
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The information we have on file for 21018207210 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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