12731200
12,731,200 is an even composite number composed of four prime numbers multiplied together.
12731200 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 12731200:
26 × 52 × 73 × 109
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 73 × 109)See below for interesting mathematical facts about the number 12731200 from the Numbermatics database.
Names of 12731200
- Cardinal: 12731200 can be written as Twelve million, seven hundred thirty-one thousand, two hundred.
Scientific notation
- Scientific notation: 1.27312 × 107
Factors of 12731200
Divisors of 12731200
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 73 80 100 109 146 160 200 218 292 320 365 400 436 545 584 730 800 872 1090 1168 1460 1600 1744 1825 2180 2336 2725 2920 3488 3650 4360 4672 5450 5840 6976 7300 7957 8720 10900 11680 14600 15914 17440 21800 23360 29200 31828 34880 39785 43600 58400 63656 79570 87200 116800 127312 159140 174400 198925 254624 318280 397850 509248 636560 795700 1273120 1591400 2546240 3182800 6365600 12731200
- Sum of all divisors σ(n): 32047180
- Sum of proper divisors (its aliquot sum) s(n): 19315980
- 12731200 is an abundant number, because the sum of its proper divisors (19315980) is greater than itself. Its abundance is 6584780
Bases of 12731200
- Binary: 1100001001000011010000002
- Hexadecimal: 0xC24340
- Base-36: 7KVGG
Squares and roots of 12731200
- 12731200 squared (127312002) is 162083453440000
- 12731200 cubed (127312003) is 2063516862435328000000
-
The
square root of 12731200 is 3568.0807165757 -
The
cube root of 12731200 is 233.5015566935
Scales and comparisons
How big is 12731200?- 12,731,200 seconds is equal to 21 weeks, 8 hours, 26 minutes, 40 seconds.
-
To count from 1 to 12,731,200 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 12731200 cubic inches would be around 19.5 feet tall.
Recreational maths with 12731200
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