21393792
21,393,792 is an even composite number composed of four prime numbers multiplied together.
21393792 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21393792:
27 × 32 × 72 × 379
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 379)See below for interesting mathematical facts about the number 21393792 from the Numbermatics database.
Names of 21393792
- Cardinal: 21393792 can be written as Twenty-one million, three hundred ninety-three thousand, seven hundred ninety-two.
Scientific notation
- Scientific notation: 2.1393792 × 107
Factors of 21393792
Divisors of 21393792
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 288 294 336 379 384 392 441 448 504 576 588 672 758 784 882 896 1008 1137 1152 1176 1344 1516 1568 1764 2016 2274 2352 2653 2688 3032 3136 3411 3528 4032 4548 4704 5306 6064 6272 6822 7056 7959 8064 9096 9408 10612 12128 13644 14112 15918 18192 18571 18816 21224 23877 24256 27288 28224 31836 36384 37142 42448 47754 48512 54576 55713 56448 63672 72768 74284 84896 95508 109152 111426 127344 145536 148568 167139 169792 191016 218304 222852 254688 297136 334278 339584 382032 436608 445704 509376 594272 668556 764064 891408 1018752 1188544 1337112 1528128 1782816 2377088 2674224 3056256 3565632 5348448 7131264 10696896 21393792
- Sum of all divisors σ(n): 71802900
- Sum of proper divisors (its aliquot sum) s(n): 50409108
- 21393792 is an abundant number, because the sum of its proper divisors (50409108) is greater than itself. Its abundance is 29015316
Bases of 21393792
- Binary: 10100011001110001100000002
- Hexadecimal: 0x1467180
- Base-36: CQJK0
Squares and roots of 21393792
- 21393792 squared (213937922) is 457694336139264
- 21393792 cubed (213937923) is 9791817426941497049088
-
The
square root of 21393792 is 4625.3423657067 -
The
cube root of 21393792 is 277.6062607419
Scales and comparisons
How big is 21393792?- 21,393,792 seconds is equal to 35 weeks, 2 days, 14 hours, 43 minutes, 12 seconds.
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To count from 1 to 21,393,792 would take you about ten hours!
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 21393792 cubic inches would be around 23.1 feet tall.
Recreational maths with 21393792
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The information we have on file for 21393792 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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