21440049072
21,440,049,072 is an even composite number composed of five prime numbers multiplied together.
21440049072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21440049072:
24 × 3 × 13 × 3797 × 9049
(2 × 2 × 2 × 2 × 3 × 13 × 3797 × 9049)See below for interesting mathematical facts about the number 21440049072 from the Numbermatics database.
Names of 21440049072
- Cardinal: 21440049072 can be written as Twenty-one billion, four hundred forty million, forty-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1440049072 × 1010
Factors of 21440049072
Divisors of 21440049072
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 3797 7594 9049 11391 15188 18098 22782 27147 30376 36196 45564 49361 54294 60752 72392 91128 98722 108588 117637 144784 148083 182256 197444 217176 235274 296166 352911 394888 434352 470548 592332 705822 789776 941096 1184664 1411644 1882192 2369328 2823288 5646576 34359053 68718106 103077159 137436212 206154318 274872424 412308636 446667689 549744848 824617272 893335378 1340003067 1649234544 1786670756 2680006134 3573341512 5360012268 7146683024 10720024536 21440049072
- Sum of all divisors σ(n): 59669618400
- Sum of proper divisors (its aliquot sum) s(n): 38229569328
- 21440049072 is an abundant number, because the sum of its proper divisors (38229569328) is greater than itself. Its abundance is 16789520256
Bases of 21440049072
- Binary: 100111111011110110100101111101100002
- Hexadecimal: 0x4FDED2FB0
- Base-36: 9UKUNQO
Squares and roots of 21440049072
- 21440049072 squared (214400490722) is 459675704209768061184
- 21440049072 cubed (214400490723) is 9855469655463584213523258421248
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The
square root of 21440049072 is 146424.2093097995 -
The
cube root of 21440049072 is 2778.0619426913
Scales and comparisons
How big is 21440049072?- 21,440,049,072 seconds is equal to 681 years, 37 weeks, 5 days, 17 hours, 11 minutes, 12 seconds.
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To count from 1 to 21,440,049,072 would take you about one thousand, three hundred sixty-three 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 21440049072 cubic inches would be around 231.5 feet tall.
Recreational maths with 21440049072
- 21440049072 backwards is 27094004412
- The number of decimal digits it has is: 11
- The sum of 21440049072's digits is 33
- More coming soon!
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