12820145 (number)

12820145 is an odd 8-digits composite number following 12820144 and preceding 12820146. In scientific notation, it is written as 1.2820145 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 9467136 positive integers (up to 12820145) that are relatively prime to 12820145.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty thousand one hundred forty-five

Notation

Scientific notation 1.2820145 × 10^7
Engineering notation 1.2820145 × 10^6

Prime Factorization of 12820145

Prime Factorization 5 × 13 × 197233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12820145
Product of the distinct prime numbers

The prime factorization of 12820145 is 5 × 13 × 197233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12820145)

Multiplication

n×y
n×2 25640290
n×3 38460435
n×4 51280580
n×5 64100725

Division

n÷y
n÷2 6410072.5
n÷3 4273381.6666667
n÷3 3205036.25
n÷5 2564029

Exponentiation

ny
n2 164356117821025
n3 2.1070692621026E+21
n4 2.7012933465199E+28
n5 3.463097238992E+35

Nth Root

y√n
2√n 3580.5230064894
3√n 234.04407210403
4√n 59.837471591716
5√n 26.398459705699

Divisors of 12820145

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12820144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12820145 can be divided by 8 positive divisors. The sum of these divisors (counting 12820145) is 1, the average is 0.125.

Base conversion 12820145

Base System Value
2 Binary 110000111001111010110001
3 Ternary 220010022221012
4 Quaternary 300321322301
5 Quinary 11240221040
6 Senary 1134440305
8 Octal 60717261
10 Decimal 12820145
12 Duodecimal 4363095
16 Hexadecimal c39eb1
20 Vigesimal 402a75
36 Base36 7ms35

Cryptographic Hash Functions

md5 ae05fbc382420003232ddc408972de58
sha1 d6c2a5a66a6b898631be1c154feafa3ea35d7b71
sha256 efbf99cef0ae1f5fc422b9bcd5f62cc14fa8c89d6fccd17fe98a944b1cb2b830
sha512 87ae32ce04c7db64eb66b9f7510e390d4cb1775d4d26a76bd9a87aba0c03ce91ca995d1c8c7bbd40c757af15d3cbd9baf219fcea0e6d94a9202965b47e397028
ripemd-160 52f498cac7ea1b23354c035963766cce94863b40

12820145 as geometric shapes

Circle

Radius = n
Diameter 25640290
Circumference 80551346.699912
Area 5.1633997231907E+14

Sphere

Radius = n
Volume 8.826071085902E+21
Surface area 2.0653598892763E+15
Circumference 80551346.699912

Square

Length = n
Perimeter 51280580
Area 164356117821025
Diagonal 18130422.93059

Cube

Length = n
Surface area 986136706926150
Volume 2.1070692621026E+21
Space diagonal 22205142.5004

Equilateral Triangle

Length = n
Perimeter 38460435
Area 71168286650198
Altitude 11102571.2502

Triangular Pyramid

Length = n
Surface area 71168286650198
Volume 2.4832049394375E+20
Height 6043474.3101965