13889280
13,889,280 is an even composite number composed of four prime numbers multiplied together.
13889280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13889280:
28 × 3 × 5 × 3617
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 3617)See below for interesting mathematical facts about the number 13889280 from the Numbermatics database.
Names of 13889280
- Cardinal: 13889280 can be written as Thirteen million, eight hundred eighty-nine thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.388928 × 107
Factors of 13889280
Divisors of 13889280
- Number of divisors d(n): 72
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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 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3617 3840 7234 10851 14468 18085 21702 28936 36170 43404 54255 57872 72340 86808 108510 115744 144680 173616 217020 231488 289360 347232 434040 462976 578720 694464 868080 925952 1157440 1388928 1736160 2314880 2777856 3472320 4629760 6944640 13889280
- Sum of all divisors σ(n): 44371152
- Sum of proper divisors (its aliquot sum) s(n): 30481872
- 13889280 is an abundant number, because the sum of its proper divisors (30481872) is greater than itself. Its abundance is 16592592
Bases of 13889280
- Binary: 1101001111101111000000002
- Hexadecimal: 0xD3EF00
- Base-36: 89P1C
Squares and roots of 13889280
- 13889280 squared (138892802) is 192912098918400
- 13889280 cubed (138892803) is 2679410157265354752000
-
The
square root of 13889280 is 3726.8324351921 -
The
cube root of 13889280 is 240.3771846827
Scales and comparisons
How big is 13889280?- 13,889,280 seconds is equal to 22 weeks, 6 days, 18 hours, 8 minutes.
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To count from 1 to 13,889,280 would take you about thirty-four weeks!
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 13889280 cubic inches would be around 20 feet tall.
Recreational maths with 13889280
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The information we have on file for 13889280 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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