12821728 (number)

12821728 is an even 8-digits composite number following 12821727 and preceding 12821729. In scientific notation, it is written as 1.2821728 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 12 positive divisors. There are 6410848 positive integers (up to 12821728) that are relatively prime to 12821728.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand seven hundred twenty-eight

Notation

Scientific notation 1.2821728 × 10^7
Engineering notation 1.2821728 × 10^6

Prime Factorization of 12821728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 400679

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 801358
Product of the distinct prime numbers

The prime factorization of 12821728 is 2 × 2 × 2 × 2 × 2 × 400679. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 6, 1, 801, 60, 4913, 7446, 65457, 41198, 795483, 745409, 7792572, 7677916, 8786562, 98906791, 271384042, 170569254, 7809519926, 4379534340

Basic calculations (n = 12821728)

Multiplication

n×y
n×2 25643456
n×3 38465184
n×4 51286912
n×5 64108640

Division

n÷y
n÷2 6410864
n÷3 4273909.3333333
n÷3 3205432
n÷5 2564345.6

Exponentiation

ny
n2 164396708905984
n3 2.1078498856877E+21
n4 2.7026277899119E+28
n5 3.4652358407491E+35

Nth Root

y√n
2√n 3580.7440567569
3√n 234.05370476986
4√n 59.839318652178
5√n 26.399111596888

Divisors of 12821728

1, 2, 4, 8, 16, 32, 400679, 801358, 1602716, 3205432, 6410864, 12821728

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12821727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821728 can be divided by 12 positive divisors. The sum of these divisors (counting 12821728) is 1, the average is 0.083333333333333.

Base conversion 12821728

Base System Value
2 Binary 110000111010010011100000
3 Ternary 220010102002211
4 Quaternary 300322103200
5 Quinary 11240243403
6 Senary 1134451504
8 Octal 60722340
10 Decimal 12821728
12 Duodecimal 4363b94
16 Hexadecimal c3a4e0
20 Vigesimal 402e68
36 Base36 7mtb4

Cryptographic Hash Functions

md5 f8fd0331b98810452ef06367618ca3b0
sha1 344194362397df19216cfd9eae67e4cc130c732b
sha256 484caf1ecafa952d812e807911b8888f7b2d29eebd7e2b9f2f7c4624dcbdfef8
sha512 4306fbaf7addf18dfc7dde14ac41c42a659519cee8f16f3153d667cb1d3be3ce3106420a297f7f632525c2dd141490a1e12d215e899d094af13f7c4947a3512f
ripemd-160 4cbc1b173b2c69e2756e952263f2babcff253ffb

12821728 as geometric shapes

Circle

Radius = n
Diameter 25643456
Circumference 80561292.982253
Area 5.1646749297338E+14

Sphere

Radius = n
Volume 8.8293409543288E+21
Surface area 2.0658699718935E+15
Circumference 80561292.982253

Square

Length = n
Perimeter 51286912
Area 164396708905984
Diagonal 18132661.630659

Cube

Length = n
Surface area 986380253435904
Volume 2.1078498856877E+21
Space diagonal 22207884.336828

Equilateral Triangle

Length = n
Perimeter 38465184
Area 71185863105569
Altitude 11103942.168414

Triangular Pyramid

Length = n
Surface area 71185863105569
Volume 2.4841249131551E+20
Height 6044220.543553