12896820
12,896,820 is an even composite number composed of five prime numbers multiplied together.
12896820 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 12896820:
22 × 34 × 5 × 19 × 419
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 19 × 419)See below for interesting mathematical facts about the number 12896820 from the Numbermatics database.
Names of 12896820
- Cardinal: 12896820 can be written as Twelve million, eight hundred ninety-six thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.289682 × 107
Factors of 12896820
Divisors of 12896820
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 76 81 90 95 108 114 135 162 171 180 190 228 270 285 324 342 380 405 419 513 540 570 684 810 838 855 1026 1140 1257 1539 1620 1676 1710 2052 2095 2514 2565 3078 3420 3771 4190 5028 5130 6156 6285 7542 7695 7961 8380 10260 11313 12570 15084 15390 15922 18855 22626 23883 25140 30780 31844 33939 37710 39805 45252 47766 56565 67878 71649 75420 79610 95532 113130 119415 135756 143298 159220 169695 214947 226260 238830 286596 339390 358245 429894 477660 644841 678780 716490 859788 1074735 1289682 1432980 2149470 2579364 3224205 4298940 6448410 12896820
- Sum of all divisors σ(n): 42688800
- Sum of proper divisors (its aliquot sum) s(n): 29791980
- 12896820 is an abundant number, because the sum of its proper divisors (29791980) is greater than itself. Its abundance is 16895160
Bases of 12896820
- Binary: 1100010011001010001101002
- Hexadecimal: 0xC4CA34
- Base-36: 7OF90
Squares and roots of 12896820
- 12896820 squared (128968202) is 166327966112400
- 12896820 cubed (128968203) is 2145101839917722568000
-
The
square root of 12896820 is 3591.2142793211 -
The
cube root of 12896820 is 234.5097369279
Scales and comparisons
How big is 12896820?- 12,896,820 seconds is equal to 21 weeks, 2 days, 6 hours, 27 minutes.
-
To count from 1 to 12,896,820 would take you about thirty-one 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 12896820 cubic inches would be around 19.5 feet tall.
Recreational maths with 12896820
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