13981440
13,981,440 is an even composite number composed of five prime numbers multiplied together.
13981440 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 13981440:
28 × 3 × 5 × 11 × 331
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 331)See below for interesting mathematical facts about the number 13981440 from the Numbermatics database.
Names of 13981440
- Cardinal: 13981440 can be written as Thirteen million, nine hundred eighty-one thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.398144 × 107
Factors of 13981440
Divisors of 13981440
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 320 330 331 352 384 440 480 528 640 660 662 704 768 880 960 993 1056 1280 1320 1324 1408 1655 1760 1920 1986 2112 2640 2648 2816 3310 3520 3641 3840 3972 4224 4965 5280 5296 6620 7040 7282 7944 8448 9930 10560 10592 10923 13240 14080 14564 15888 18205 19860 21120 21184 21846 26480 29128 31776 36410 39720 42240 42368 43692 52960 54615 58256 63552 72820 79440 84736 87384 105920 109230 116512 127104 145640 158880 174768 211840 218460 233024 254208 291280 317760 349536 423680 436920 466048 582560 635520 699072 873840 932096 1165120 1271040 1398144 1747680 2330240 2796288 3495360 4660480 6990720 13981440
- Sum of all divisors σ(n): 48859776
- Sum of proper divisors (its aliquot sum) s(n): 34878336
- 13981440 is an abundant number, because the sum of its proper divisors (34878336) is greater than itself. Its abundance is 20896896
Bases of 13981440
- Binary: 1101010101010111000000002
- Hexadecimal: 0xD55700
- Base-36: 8BO5C
Squares and roots of 13981440
- 13981440 squared (139814402) is 195480664473600
- 13981440 cubed (139814403) is 2733101181497769984000
-
The
square root of 13981440 is 3739.1763798997 -
The
cube root of 13981440 is 240.9076739833
Scales and comparisons
How big is 13981440?- 13,981,440 seconds is equal to 23 weeks, 19 hours, 44 minutes.
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To count from 1 to 13,981,440 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 13981440 cubic inches would be around 20.1 feet tall.
Recreational maths with 13981440
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The information we have on file for 13981440 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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