18157445 (number)

18157445 is an odd 8-digits composite number following 18157444 and preceding 18157446. In scientific notation, it is written as 1.8157445 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 12950784 positive integers (up to 18157445) that are relatively prime to 18157445.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-seven thousand four hundred forty-five

Notation

Scientific notation 1.8157445 × 10^7
Engineering notation 1.8157445 × 10^6

Prime Factorization of 18157445

Prime Factorization 17 × 5 × 19 × 11243

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18157445
Product of the distinct prime numbers

The prime factorization of 18157445 is 17 × 5 × 19 × 11243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18157445)

Multiplication

n×y
n×2 36314890
n×3 54472335
n×4 72629780
n×5 90787225

Division

n÷y
n÷2 9078722.5
n÷3 6052481.6666667
n÷3 4539361.25
n÷5 3631489

Exponentiation

ny
n2 329692808928025
n3 5.9863790450061E+21
n4 1.0869734825885E+29
n5 1.9736661226559E+36

Nth Root

y√n
2√n 4261.1553597587
3√n 262.83603827036
4√n 65.277525686554
5√n 28.301597320625

Divisors of 18157445

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18157444
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18157445 can be divided by 16 positive divisors. The sum of these divisors (counting 18157445) is 1, the average is 0.0625.

Base conversion 18157445

Base System Value
2 Binary 1000101010000111110000101
3 Ternary 1021011111022222
4 Quaternary 1011100332011
5 Quinary 14122014240
6 Senary 1445102125
8 Octal 105207605
10 Decimal 18157445
12 Duodecimal 60b7945
16 Hexadecimal 1150f85
20 Vigesimal 5d9dc5
36 Base36 at6dh

Cryptographic Hash Functions

md5 2b931d0f01e18ee1993e18a7010e6e54
sha1 9f3fd858c581f0a5cdd3b6b82f72de01a77b8618
sha256 0abf10679235c7c604b2347a278b428ca0ddf6b726bdd2a796b447efd042798f
sha512 599e9d8080b4976bc61c5dce96fb7ae7737cb9542e0ffca37ee28ac8f65e1575f96f7bbe0d6b90557a43125bb62bda32828d5b1d67d69fa7b3ead5860e436dce
ripemd-160 de0a29a20480c6da1fee8109b32eca21203a44e9

18157445 as geometric shapes

Circle

Radius = n
Diameter 36314890
Circumference 114086591.63992
Area 1.0357605064697E+15

Sphere

Radius = n
Volume 2.507568590586E+22
Surface area 4.1430420258787E+15
Circumference 114086591.63992

Square

Length = n
Perimeter 72629780
Area 329692808928025
Diagonal 25678504.977044

Cube

Length = n
Surface area 1978156853568150
Volume 5.9863790450061E+21
Space diagonal 31449617.275637

Equilateral Triangle

Length = n
Perimeter 54472335
Area 1.4276117398836E+14
Altitude 15724808.637819

Triangular Pyramid

Length = n
Surface area 1.4276117398836E+14
Volume 7.0550153624615E+20
Height 8559501.6590145