21343879984
21,343,879,984 is an even composite number composed of five prime numbers multiplied together.
21343879984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21343879984:
24 × 7 × 173 × 79 × 491
(2 × 2 × 2 × 2 × 7 × 17 × 17 × 17 × 79 × 491)See below for interesting mathematical facts about the number 21343879984 from the Numbermatics database.
Names of 21343879984
- Cardinal: 21343879984 can be written as Twenty-one billion, three hundred forty-three million, eight hundred seventy-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1343879984 × 1010
Factors of 21343879984
Divisors of 21343879984
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 7 8 14 16 17 28 34 56 68 79 112 119 136 158 238 272 289 316 476 491 553 578 632 952 982 1106 1156 1264 1343 1904 1964 2023 2212 2312 2686 3437 3928 4046 4424 4624 4913 5372 6874 7856 8092 8347 8848 9401 9826 10744 13748 16184 16694 18802 19652 21488 22831 27496 32368 33388 34391 37604 38789 39304 45662 54992 58429 66776 68782 75208 77578 78608 91324 116858 133552 137564 141899 150416 155156 159817 182648 233716 271523 275128 283798 310312 319634 365296 388127 467432 543046 550256 567596 620624 639268 659413 776254 934864 993293 1086092 1135192 1278536 1318826 1552508 1986586 2172184 2270384 2412283 2557072 2637652 2716889 3105016 3973172 4344368 4615891 4824566 5275304 5433778 6210032 7946344 9231782 9649132 10550608 10867556 11210021 15892688 16885981 18463564 19298264 21735112 22420042 33771962 36927128 38596528 43470224 44840084 67543924 73854256 78470147 89680168 135087848 156940294 179360336 190570357 270175696 313880588 381140714 627761176 762281428 1255522352 1333992499 1524562856 2667984998 3049125712 5335969996 10671939992 21343879984
- Sum of all divisors σ(n): 50953881600
- Sum of proper divisors (its aliquot sum) s(n): 29610001616
- 21343879984 is an abundant number, because the sum of its proper divisors (29610001616) is greater than itself. Its abundance is 8266121632
Bases of 21343879984
- Binary: 100111110000011000111000011001100002
- Hexadecimal: 0x4F831C330
- Base-36: 9SZLF74
Squares and roots of 21343879984
- 21343879984 squared (213438799842) is 455561212771395840256
- 21343879984 cubed (213438799843) is 9723443850758160842580899835904
-
The
square root of 21343879984 is 146095.4481974027 -
The
cube root of 21343879984 is 2773.9020620537
Scales and comparisons
How big is 21343879984?- 21,343,879,984 seconds is equal to 678 years, 34 weeks, 5 days, 15 hours, 33 minutes, 4 seconds.
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To count from 1 to 21,343,879,984 would take you about one thousand, three hundred fifty-seven 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 21343879984 cubic inches would be around 231.2 feet tall.
Recreational maths with 21343879984
- 21343879984 backwards is 48997834312
- The number of decimal digits it has is: 11
- The sum of 21343879984's digits is 58
- More coming soon!
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