12680720
12,680,720 is an even composite number composed of five prime numbers multiplied together.
12680720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 12680720:
24 × 5 × 13 × 89 × 137
(2 × 2 × 2 × 2 × 5 × 13 × 89 × 137)See below for interesting mathematical facts about the number 12680720 from the Numbermatics database.
Names of 12680720
- Cardinal: 12680720 can be written as Twelve million, six hundred eighty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.268072 × 107
Factors of 12680720
Divisors of 12680720
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 40 52 65 80 89 104 130 137 178 208 260 274 356 445 520 548 685 712 890 1040 1096 1157 1370 1424 1780 1781 2192 2314 2740 3560 3562 4628 5480 5785 7120 7124 8905 9256 10960 11570 12193 14248 17810 18512 23140 24386 28496 35620 46280 48772 60965 71240 92560 97544 121930 142480 158509 195088 243860 317018 487720 634036 792545 975440 1268072 1585090 2536144 3170180 6340360 12680720
- Sum of all divisors σ(n): 32341680
- Sum of proper divisors (its aliquot sum) s(n): 19660960
- 12680720 is an abundant number, because the sum of its proper divisors (19660960) is greater than itself. Its abundance is 6980240
Bases of 12680720
- Binary: 1100000101111110000100002
- Hexadecimal: 0xC17E10
- Base-36: 7JSI8
Squares and roots of 12680720
- 12680720 squared (126807202) is 160800659718400
- 12680720 cubed (126807203) is 2039068141704309248000
-
The
square root of 12680720 is 3560.9998595901 -
The
cube root of 12680720 is 233.1925318325
Scales and comparisons
How big is 12680720?- 12,680,720 seconds is equal to 20 weeks, 6 days, 18 hours, 25 minutes, 20 seconds.
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To count from 1 to 12,680,720 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 12680720 cubic inches would be around 19.4 feet tall.
Recreational maths with 12680720
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