12489984
12,489,984 is an even composite number composed of four prime numbers multiplied together.
12489984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12489984:
28 × 33 × 13 × 139
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 13 × 139)See below for interesting mathematical facts about the number 12489984 from the Numbermatics database.
Names of 12489984
- Cardinal: 12489984 can be written as Twelve million, four hundred eighty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 1.2489984 × 107
Factors of 12489984
Divisors of 12489984
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 128 139 144 156 192 208 216 234 256 278 288 312 351 384 416 417 432 468 556 576 624 702 768 832 834 864 936 1112 1152 1248 1251 1404 1664 1668 1728 1807 1872 2224 2304 2496 2502 2808 3328 3336 3456 3614 3744 3753 4448 4992 5004 5421 5616 6672 6912 7228 7488 7506 8896 9984 10008 10842 11232 13344 14456 14976 15012 16263 17792 20016 21684 22464 26688 28912 29952 30024 32526 35584 40032 43368 44928 48789 53376 57824 60048 65052 80064 86736 89856 97578 106752 115648 120096 130104 160128 173472 195156 231296 240192 260208 320256 346944 390312 462592 480384 520416 693888 780624 960768 1040832 1387776 1561248 2081664 3122496 4163328 6244992 12489984
- Sum of all divisors σ(n): 40062400
- Sum of proper divisors (its aliquot sum) s(n): 27572416
- 12489984 is an abundant number, because the sum of its proper divisors (27572416) is greater than itself. Its abundance is 15082432
Bases of 12489984
- Binary: 1011111010010101000000002
- Hexadecimal: 0xBE9500
- Base-36: 7FPC0
Squares and roots of 12489984
- 12489984 squared (124899842) is 155999700320256
- 12489984 cubed (124899843) is 1948433761004792315904
-
The
square root of 12489984 is 3534.1171457663 -
The
cube root of 12489984 is 232.0174382453
Scales and comparisons
How big is 12489984?- 12,489,984 seconds is equal to 20 weeks, 4 days, 13 hours, 26 minutes, 24 seconds.
-
To count from 1 to 12,489,984 would take you about thirty 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 12489984 cubic inches would be around 19.3 feet tall.
Recreational maths with 12489984
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