13818420
13,818,420 is an even composite number composed of six prime numbers multiplied together.
13818420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 13818420:
22 × 32 × 5 × 7 × 11 × 997
(2 × 2 × 3 × 3 × 5 × 7 × 11 × 997)See below for interesting mathematical facts about the number 13818420 from the Numbermatics database.
Names of 13818420
- Cardinal: 13818420 can be written as Thirteen million, eight hundred eighteen thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.381842 × 107
Factors of 13818420
Divisors of 13818420
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 30 33 35 36 42 44 45 55 60 63 66 70 77 84 90 99 105 110 126 132 140 154 165 180 198 210 220 231 252 308 315 330 385 396 420 462 495 630 660 693 770 924 990 997 1155 1260 1386 1540 1980 1994 2310 2772 2991 3465 3988 4620 4985 5982 6930 6979 8973 9970 10967 11964 13860 13958 14955 17946 19940 20937 21934 27916 29910 32901 34895 35892 41874 43868 44865 54835 59820 62811 65802 69790 76769 83748 89730 98703 104685 109670 125622 131604 139580 153538 164505 179460 197406 209370 219340 230307 251244 307076 314055 329010 383845 394812 418740 460614 493515 628110 658020 690921 767690 921228 987030 1151535 1256220 1381842 1535380 1974060 2303070 2763684 3454605 4606140 6909210 13818420
- Sum of all divisors σ(n): 52311168
- Sum of proper divisors (its aliquot sum) s(n): 38492748
- 13818420 is an abundant number, because the sum of its proper divisors (38492748) is greater than itself. Its abundance is 24674328
Bases of 13818420
- Binary: 1101001011011010001101002
- Hexadecimal: 0xD2DA34
- Base-36: 886D0
Squares and roots of 13818420
- 13818420 squared (138184202) is 190948731296400
- 13818420 cubed (138184203) is 2638609767520799688000
-
The
square root of 13818420 is 3717.3135460975 -
The
cube root of 13818420 is 239.9677039875
Scales and comparisons
How big is 13818420?- 13,818,420 seconds is equal to 22 weeks, 5 days, 22 hours, 27 minutes.
-
To count from 1 to 13,818,420 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 13818420 cubic inches would be around 20 feet tall.
Recreational maths with 13818420
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Keywords: Divisors of 13818420, math, Factors of 13818420, curriculum, school, college, exams, university, Prime factorization of 13818420, STEM, science, technology, engineering, physics, economics, calculator, thirteen million, eight hundred eighteen thousand, four hundred twenty.