12781680 (number)

12781680 is an even 8-digits composite number following 12781679 and preceding 12781681. In scientific notation, it is written as 1.2781680 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors. There are 3227904 positive integers (up to 12781680) that are relatively prime to 12781680.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-one thousand six hundred eighty

Notation

Scientific notation 1.2781680 × 10^7
Engineering notation 1.2781680 × 10^6

Prime Factorization of 12781680

Prime Factorization 2 × 2 × 2 × 2 × 285 × 2803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1597710
Product of the distinct prime numbers

The prime factorization of 12781680 is 2 × 2 × 2 × 2 × 285 × 2803. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 76, 27, 708, 89, 5220, 3203, 55750, 87741, 448880, 920556, 6499632, 7210493, 14228425, 75687322, 108363083, 702139084, 3840766809, 266272554

Basic calculations (n = 12781680)

Multiplication

n×y
n×2 25563360
n×3 38345040
n×4 51126720
n×5 63908400

Division

n÷y
n÷2 6390840
n÷3 4260560
n÷3 3195420
n÷5 2556336

Exponentiation

ny
n2 163371343622400
n3 2.0881602353516E+21
n4 2.6690195916988E+28
n5 3.4114554334825E+35

Nth Root

y√n
2√n 3575.1475494027
3√n 233.80976576181
4√n 59.792537572867
5√n 26.382599704181

Divisors of 12781680

1, 2, 4, 8, 16, 285, 570, 1140, 2280, 2803, 4560, 5606, 11212, 22424, 44848, 798855, 1597710, 3195420, 6390840, 12781680

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12781679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12781680 can be divided by 20 positive divisors. The sum of these divisors (counting 12781680) is 1, the average is 0.05.

Base conversion 12781680

Base System Value
2 Binary 110000110000100001110000
3 Ternary 220001101011120
4 Quaternary 300300201300
5 Quinary 11233003210
6 Senary 1133542240
8 Octal 60604160
10 Decimal 12781680
12 Duodecimal 4344980
16 Hexadecimal c30870
20 Vigesimal 3jhe40
36 Base36 7lyeo

Cryptographic Hash Functions

md5 6760176ebe7a7f6cb729e51aa056d49e
sha1 4106e5e0606b9d0a49370115e1892e8f2f508097
sha256 d7623c9f1aa831de7845b80c576570c142289375f8d250dc2c0ca6f5239ce142
sha512 0132f4575967daa6a462bbf2238000eebd882e19d34ce4d832ebf3a07e2bd9572a24ccf013636f37452c5bb7fa33911555aca648be374c8f03903e63aaef8b38
ripemd-160 3d7f1f5030e3a26d3754e3879005d8d88c0c7c09

12781680 as geometric shapes

Circle

Radius = n
Diameter 25563360
Circumference 80309663.977071
Area 5.1324621293123E+14

Sphere

Radius = n
Volume 8.746865139865E+21
Surface area 2.0529848517249E+15
Circumference 80309663.977071

Square

Length = n
Perimeter 51126720
Area 163371343622400
Diagonal 18076025.205913

Cube

Length = n
Surface area 980228061734400
Volume 2.0881602353516E+21
Space diagonal 22138519.166087

Equilateral Triangle

Length = n
Perimeter 38345040
Area 70741866913698
Altitude 11069259.583043

Triangular Pyramid

Length = n
Surface area 70741866913698
Volume 2.460920437702E+20
Height 6025341.7353043