13905985920
13,905,985,920 is an even composite number composed of five prime numbers multiplied together.
13905985920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 13905985920:
27 × 3 × 5 × 881 × 8221
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 881 × 8221)See below for interesting mathematical facts about the number 13905985920 from the Numbermatics database.
Names of 13905985920
- Cardinal: 13905985920 can be written as Thirteen billion, nine hundred five million, nine hundred eighty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.390598592 × 1010
Factors of 13905985920
Divisors of 13905985920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 881 960 1762 1920 2643 3524 4405 5286 7048 8221 8810 10572 13215 14096 16442 17620 21144 24663 26430 28192 32884 35240 41105 42288 49326 52860 56384 65768 70480 82210 84576 98652 105720 112768 123315 131536 140960 164420 169152 197304 211440 246630 263072 281920 328840 338304 394608 422880 493260 526144 563840 657680 789216 845760 986520 1052288 1315360 1578432 1691520 1973040 2630720 3156864 3946080 5261440 7242701 7892160 14485402 15784320 21728103 28970804 36213505 43456206 57941608 72427010 86912412 108640515 115883216 144854020 173824824 217281030 231766432 289708040 347649648 434562060 463532864 579416080 695299296 869124120 927065728 1158832160 1390598592 1738248240 2317664320 2781197184 3476496480 4635328640 6952992960 13905985920
- Sum of all divisors σ(n): 44381040480
- Sum of proper divisors (its aliquot sum) s(n): 30475054560
- 13905985920 is an abundant number, because the sum of its proper divisors (30475054560) is greater than itself. Its abundance is 16569068640
Bases of 13905985920
- Binary: 11001111001101110010000001100000002
- Hexadecimal: 0x33CDC8180
- Base-36: 6DZ9JEO
Squares and roots of 13905985920
- 13905985920 squared (139059859202) is 193376444407238246400
- 13905985920 cubed (139059859203) is 2689090113186717800523890688000
-
The
square root of 13905985920 is 117923.6444484311 -
The
cube root of 13905985920 is 2404.7352068347
Scales and comparisons
How big is 13905985920?- 13,905,985,920 seconds is equal to 442 years, 8 weeks, 4 days, 21 hours, 52 minutes.
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To count from 1 to 13,905,985,920 would take you about eight hundred eighty-four 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 13905985920 cubic inches would be around 200.4 feet tall.
Recreational maths with 13905985920
- 13905985920 backwards is 02958950931
- The number of decimal digits it has is: 11
- The sum of 13905985920's digits is 51
- More coming soon!
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The information we have on file for 13905985920 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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