13938480
13,938,480 is an even composite number composed of four prime numbers multiplied together.
13938480 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty divisors.
Prime factorization of 13938480:
24 × 36 × 5 × 239
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 239)See below for interesting mathematical facts about the number 13938480 from the Numbermatics database.
Names of 13938480
- Cardinal: 13938480 can be written as Thirteen million, nine hundred thirty-eight thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.393848 × 107
Factors of 13938480
Divisors of 13938480
- Number of divisors d(n): 140
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 239 240 243 270 324 360 405 432 478 486 540 648 717 720 729 810 956 972 1080 1195 1215 1296 1434 1458 1620 1912 1944 2151 2160 2390 2430 2868 2916 3240 3585 3645 3824 3888 4302 4780 4860 5736 5832 6453 6480 7170 7290 8604 9560 9720 10755 11472 11664 12906 14340 14580 17208 19120 19359 19440 21510 25812 28680 29160 32265 34416 38718 43020 51624 57360 58077 58320 64530 77436 86040 96795 103248 116154 129060 154872 172080 174231 193590 232308 258120 290385 309744 348462 387180 464616 516240 580770 696924 774360 871155 929232 1161540 1393848 1548720 1742310 2323080 2787696 3484620 4646160 6969240 13938480
- Sum of all divisors σ(n): 48791520
- Sum of proper divisors (its aliquot sum) s(n): 34853040
- 13938480 is an abundant number, because the sum of its proper divisors (34853040) is greater than itself. Its abundance is 20914560
Bases of 13938480
- Binary: 1101010010101111001100002
- Hexadecimal: 0xD4AF30
- Base-36: 8AR00
Squares and roots of 13938480
- 13938480 squared (139384802) is 194281224710400
- 13938480 cubed (139384803) is 2707984965001416192000
-
The
square root of 13938480 is 3733.4273797679 -
The
cube root of 13938480 is 240.6606795915
Scales and comparisons
How big is 13938480?- 13,938,480 seconds is equal to 23 weeks, 7 hours, 48 minutes.
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To count from 1 to 13,938,480 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 13938480 cubic inches would be around 20.1 feet tall.
Recreational maths with 13938480
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