21384821080
21,384,821,080 is an even composite number composed of five prime numbers multiplied together.
21384821080 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21384821080:
23 × 5 × 72 × 373 × 29251
(2 × 2 × 2 × 5 × 7 × 7 × 373 × 29251)See below for interesting mathematical facts about the number 21384821080 from the Numbermatics database.
Names of 21384821080
- Cardinal: 21384821080 can be written as Twenty-one billion, three hundred eighty-four million, eight hundred twenty-one thousand and eighty.
Scientific notation
- Scientific notation: 2.138482108 × 1010
Factors of 21384821080
Divisors of 21384821080
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 373 392 490 746 980 1492 1865 1960 2611 2984 3730 5222 7460 10444 13055 14920 18277 20888 26110 29251 36554 52220 58502 73108 91385 104440 117004 146216 146255 182770 204757 234008 292510 365540 409514 585020 731080 819028 1023785 1170040 1433299 1638056 2047570 2866598 4095140 5733196 7166495 8190280 10910623 11466392 14332990 21821246 28665980 43642492 54553115 57331960 76374361 87284984 109106230 152748722 218212460 305497444 381871805 436424920 534620527 610994888 763743610 1069241054 1527487220 2138482108 2673102635 3054974440 4276964216 5346205270 10692410540 21384821080
- Sum of all divisors σ(n): 56123472240
- Sum of proper divisors (its aliquot sum) s(n): 34738651160
- 21384821080 is an abundant number, because the sum of its proper divisors (34738651160) is greater than itself. Its abundance is 13353830080
Bases of 21384821080
- Binary: 100111110101010001001111001010110002
- Hexadecimal: 0x4FAA27958
- Base-36: 9TNYXJS
Squares and roots of 21384821080
- 21384821080 squared (213848210802) is 457310572623612366400
- 21384821080 cubed (213848210803) is 9779504773548296638739403712000
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The
square root of 21384821080 is 146235.4986998711 -
The
cube root of 21384821080 is 2775.6745303959
Scales and comparisons
How big is 21384821080?- 21,384,821,080 seconds is equal to 679 years, 50 weeks, 3 days, 12 hours, 4 minutes, 40 seconds.
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To count from 1 to 21,384,821,080 would take you about one thousand, three hundred fifty-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 21384821080 cubic inches would be around 231.3 feet tall.
Recreational maths with 21384821080
- 21384821080 backwards is 08012848312
- The number of decimal digits it has is: 11
- The sum of 21384821080's digits is 37
- More coming soon!
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