21043479520
21,043,479,520 is an even composite number composed of five prime numbers multiplied together.
21043479520 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 21043479520:
25 × 5 × 7 × 31 × 606091
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 606091)See below for interesting mathematical facts about the number 21043479520 from the Numbermatics database.
Names of 21043479520
- Cardinal: 21043479520 can be written as Twenty-one billion, forty-three million, four hundred seventy-nine thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.104347952 × 1010
Factors of 21043479520
Divisors of 21043479520
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 112 124 140 155 160 217 224 248 280 310 434 496 560 620 868 992 1085 1120 1240 1736 2170 2480 3472 4340 4960 6944 8680 17360 34720 606091 1212182 2424364 3030455 4242637 4848728 6060910 8485274 9697456 12121820 16970548 18788821 19394912 21213185 24243640 33941096 37577642 42426370 48487280 67882192 75155284 84852740 93944105 96974560 131521747 135764384 150310568 169705480 187888210 263043494 300621136 339410960 375776420 526086988 601242272 657608735 678821920 751552840 1052173976 1315217470 1503105680 2104347952 2630434940 3006211360 4208695904 5260869880 10521739760 21043479520
- Sum of all divisors σ(n): 58650310656
- Sum of proper divisors (its aliquot sum) s(n): 37606831136
- 21043479520 is an abundant number, because the sum of its proper divisors (37606831136) is greater than itself. Its abundance is 16563351616
Bases of 21043479520
- Binary: 100111001100100101000000011111000002
- Hexadecimal: 0x4E64A03E0
- Base-36: 9O0QSPS
Squares and roots of 21043479520
- 21043479520 squared (210434795202) is 442828030308659430400
- 21043479520 cubed (210434795203) is 9318642586682214002277265408000
-
The
square root of 21043479520 is 145063.7084869955 -
The
cube root of 21043479520 is 2760.8269383771
Scales and comparisons
How big is 21043479520?- 21,043,479,520 seconds is equal to 669 years, 6 weeks, 18 hours, 58 minutes, 40 seconds.
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To count from 1 to 21,043,479,520 would take you about one thousand, three hundred thirty-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 21043479520 cubic inches would be around 230.1 feet tall.
Recreational maths with 21043479520
- 21043479520 backwards is 02597434012
- The number of decimal digits it has is: 11
- The sum of 21043479520's digits is 37
- More coming soon!
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