21204680720
21,204,680,720 is an even composite number composed of six prime numbers multiplied together.
21204680720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21204680720:
24 × 5 × 17 × 23 × 79 × 8581
(2 × 2 × 2 × 2 × 5 × 17 × 23 × 79 × 8581)See below for interesting mathematical facts about the number 21204680720 from the Numbermatics database.
Names of 21204680720
- Cardinal: 21204680720 can be written as Twenty-one billion, two hundred four million, six hundred eighty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.120468072 × 1010
Factors of 21204680720
Divisors of 21204680720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 23 34 40 46 68 79 80 85 92 115 136 158 170 184 230 272 316 340 368 391 395 460 632 680 782 790 920 1264 1343 1360 1564 1580 1817 1840 1955 2686 3128 3160 3634 3910 5372 6256 6320 6715 7268 7820 8581 9085 10744 13430 14536 15640 17162 18170 21488 26860 29072 30889 31280 34324 36340 42905 53720 61778 68648 72680 85810 107440 123556 137296 145360 145877 154445 171620 197363 247112 291754 308890 343240 394726 494224 583508 617780 677899 686480 729385 789452 986815 1167016 1235560 1355798 1458770 1578904 1973630 2334032 2471120 2711596 2917540 3157808 3355171 3389495 3947260 5423192 5835080 6710342 6778990 7894520 10846384 11524283 11670160 13420684 13557980 15591677 15789040 16775855 23048566 26841368 27115960 31183354 33551710 46097132 53682736 54231920 57621415 62366708 67103420 77958385 92194264 115242830 124733416 134206840 155916770 184388528 230485660 249466832 265058509 268413680 311833540 460971320 530117018 623667080 921942640 1060234036 1247334160 1325292545 2120468072 2650585090 4240936144 5301170180 10602340360 21204680720
- Sum of all divisors σ(n): 55166469120
- Sum of proper divisors (its aliquot sum) s(n): 33961788400
- 21204680720 is an abundant number, because the sum of its proper divisors (33961788400) is greater than itself. Its abundance is 12757107680
Bases of 21204680720
- Binary: 100111011111110010111000000000100002
- Hexadecimal: 0x4EFE5C010
- Base-36: 9QOPWCW
Squares and roots of 21204680720
- 21204680720 squared (212046807202) is 449638484437139718400
- 21204680720 cubed (212046807203) is 9534440501914236638702709248000
-
The
square root of 21204680720 is 145618.2705569599 -
The
cube root of 21204680720 is 2767.8586812645
Scales and comparisons
How big is 21204680720?- 21,204,680,720 seconds is equal to 674 years, 12 weeks, 4 days, 13 hours, 5 minutes, 20 seconds.
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To count from 1 to 21,204,680,720 would take you about one thousand, three hundred forty-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 21204680720 cubic inches would be around 230.7 feet tall.
Recreational maths with 21204680720
- 21204680720 backwards is 02708640212
- The number of decimal digits it has is: 11
- The sum of 21204680720's digits is 32
- More coming soon!
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The information we have on file for 21204680720 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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