21388245088
21,388,245,088 is an even composite number composed of five prime numbers multiplied together.
21388245088 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21388245088:
25 × 7 × 17 × 109 × 2272
(2 × 2 × 2 × 2 × 2 × 7 × 17 × 109 × 227 × 227)See below for interesting mathematical facts about the number 21388245088 from the Numbermatics database.
Names of 21388245088
- Cardinal: 21388245088 can be written as Twenty-one billion, three hundred eighty-eight million, two hundred forty-five thousand and eighty-eight.
Scientific notation
- Scientific notation: 2.1388245088 × 1010
Factors of 21388245088
Divisors of 21388245088
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 7 8 14 16 17 28 32 34 56 68 109 112 119 136 218 224 227 238 272 436 454 476 544 763 872 908 952 1526 1589 1744 1816 1853 1904 3052 3178 3488 3632 3706 3808 3859 6104 6356 7264 7412 7718 12208 12712 12971 14824 15436 24416 24743 25424 25942 27013 29648 30872 49486 50848 51529 51884 54026 59296 61744 98972 103058 103768 108052 123488 173201 197944 206116 207536 216104 346402 360703 395888 412232 415072 420631 432208 692804 721406 791776 824464 841262 864416 875993 1385608 1442812 1648928 1682524 1751986 2771216 2885624 2944417 3365048 3503972 5542432 5616661 5771248 5888834 6131951 6730096 7007944 11233322 11542496 11777668 12263902 13460192 14015888 22466644 23555336 24527804 28031776 39316627 44933288 47110672 49055608 78633254 89866576 94221344 95483237 98111216 157266508 179733152 190966474 196222432 314533016 381932948 629066032 668382659 763865896 1258132064 1336765318 1527731792 2673530636 3055463584 5347061272 10694122544 21388245088
- Sum of all divisors σ(n): 51649345440
- Sum of proper divisors (its aliquot sum) s(n): 30261100352
- 21388245088 is an abundant number, because the sum of its proper divisors (30261100352) is greater than itself. Its abundance is 8872855264
Bases of 21388245088
- Binary: 100111110101101011010111000011000002
- Hexadecimal: 0x4FAD6B860
- Base-36: 9TQ0BJ4
Squares and roots of 21388245088
- 21388245088 squared (213882450882) is 457457027944356127744
- 21388245088 cubed (213882450883) is 9784203030901953686543308521472
-
The
square root of 21388245088 is 146247.2054023597 -
The
cube root of 21388245088 is 2775.8226638869
Scales and comparisons
How big is 21388245088?- 21,388,245,088 seconds is equal to 680 years, 4 weeks, 1 day, 3 hours, 11 minutes, 28 seconds.
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To count from 1 to 21,388,245,088 would take you about one thousand, three hundred sixty 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 21388245088 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388245088
- 21388245088 backwards is 88054288312
- The number of decimal digits it has is: 11
- The sum of 21388245088's digits is 49
- More coming soon!
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The information we have on file for 21388245088 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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