21521131500
21,521,131,500 is an even composite number composed of six prime numbers multiplied together.
What does the number 21521131500 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 192 divisors.
21521131500 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21521131500:
22 × 3 × 53 × 11 × 757 × 1723
(2 × 2 × 3 × 5 × 5 × 5 × 11 × 757 × 1723)See below for interesting mathematical facts about the number 21521131500 from the Numbermatics database.
Names of 21521131500
- Cardinal: 21521131500 can be written as Twenty-one billion, five hundred twenty-one million, one hundred thirty-one thousand, five hundred.
Scientific notation
- Scientific notation: 2.15211315 × 1010
Factors of 21521131500
Divisors of 21521131500
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 66 75 100 110 125 132 150 165 220 250 275 300 330 375 500 550 660 750 757 825 1100 1375 1500 1514 1650 1723 2271 2750 3028 3300 3446 3785 4125 4542 5169 5500 6892 7570 8250 8327 8615 9084 10338 11355 15140 16500 16654 17230 18925 18953 20676 22710 24981 25845 33308 34460 37850 37906 41635 43075 45420 49962 51690 56775 56859 75700 75812 83270 86150 94625 94765 99924 103380 113550 113718 124905 129225 166540 172300 189250 189530 208175 215375 227100 227436 249810 258450 283875 284295 378500 379060 416350 430750 473825 499620 516900 567750 568590 624525 646125 832700 861500 947650 1040875 1135500 1137180 1249050 1292250 1304311 1421475 1895300 2081750 2369125 2498100 2584500 2608622 2842950 3122625 3912933 4163500 4738250 5217244 5685900 6245250 6521555 7107375 7825866 9476500 12490500 13043110 14214750 14347421 15651732 19564665 26086220 28429500 28694842 32607775 39129330 43042263 57389684 65215550 71737105 78258660 86084526 97823325 130431100 143474210 163038875 172169052 195646650 215211315 286948420 326077750 358685525 391293300 430422630 489116625 652155500 717371050 860845260 978233250 1076056575 1434742100 1793427625 1956466500 2152113150 3586855250 4304226300 5380282875 7173710500 10760565750 21521131500
- Sum of all divisors σ(n): 68496809472
- Sum of proper divisors (its aliquot sum) s(n): 46975677972
- 21521131500 is an abundant number, because the sum of its proper divisors (46975677972) is greater than itself. Its abundance is 25454546472
Bases of 21521131500
- Binary: 101000000101100001001100111111011002
- Hexadecimal: 0x502C267EC
- Base-36: 9VX4JCC
Squares and roots of 21521131500
- 21521131500 squared (215211315002) is 463159101040292250000
- 21521131500 cubed (215211315003) is 9967707918909916310680875000000
-
The
square root of 21521131500 is 146700.8231060753 -
The
cube root of 21521131500 is 2781.5595815809
Scales and comparisons
How big is 21521131500?- 21,521,131,500 seconds is equal to 684 years, 15 weeks, 6 days, 4 hours, 5 minutes.
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To count from 1 to 21,521,131,500 would take you about one thousand, three hundred sixty-eight 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 21521131500 cubic inches would be around 231.8 feet tall.
Recreational maths with 21521131500
- 21521131500 backwards is 00513112512
- The number of decimal digits it has is: 11
- The sum of 21521131500's digits is 21
- More coming soon!
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