18731372 (number)

18731372 is an even 8-digits composite number following 18731371 and preceding 18731373. In scientific notation, it is written as 1.8731372 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 8514240 positive integers (up to 18731372) that are relatively prime to 18731372.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred thirty-one thousand three hundred seventy-two

Notation

Scientific notation 1.8731372 × 10^7
Engineering notation 1.8731372 × 10^6

Prime Factorization of 18731372

Prime Factorization 2 × 2 × 11 × 425713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9365686
Product of the distinct prime numbers

The prime factorization of 18731372 is 2 × 2 × 11 × 425713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 56, 50, 208, 849, 624, 6825, 44700, 11118, 383360, 211340, 2764171, 4085015, 81403874, 16384793, 376241855, 884811449, 116028042, 8599482544

Basic calculations (n = 18731372)

Multiplication

n×y
n×2 37462744
n×3 56194116
n×4 74925488
n×5 93656860

Division

n÷y
n÷2 9365686
n÷3 6243790.6666667
n÷3 4682843
n÷5 3746274.4

Exponentiation

ny
n2 350864297002384
n3 6.5721696686701E+21
n4 1.2310575491098E+29
n5 2.3059396905783E+36

Nth Root

y√n
2√n 4327.9755082486
3√n 265.57663446047
4√n 65.78735067054
5√n 28.478290627514

Divisors of 18731372

1, 2, 4, 11, 22, 44, 425713, 851426, 1702852, 4682843, 9365686, 18731372

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 -18731371
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 18731372 can be divided by 12 positive divisors. The sum of these divisors (counting 18731372) is 1, the average is 0.083333333333333.

Base conversion 18731372

Base System Value
2 Binary 1000111011101000101101100
3 Ternary 1022020122121112
4 Quaternary 1013131011230
5 Quinary 14243400442
6 Senary 1505251152
8 Octal 107350554
10 Decimal 18731372
12 Duodecimal 6333ab8
16 Hexadecimal 11dd16c
20 Vigesimal 5h188c
36 Base36 b5h7w

Cryptographic Hash Functions

md5 c6afa8570da5f475e997b7edd2f4946e
sha1 b2f3ec7eb774232f77fbab1d6baed5937ab9b5bb
sha256 ec85fb2b443cf893d7f598157ef931edd2501165ae5a413c735102b31178d4b1
sha512 eea6c0f58bb6f00a471910b14f8c8a8a5733e3fd88f728a05c8b288ce210e7b33862e75f9df4e07f8f2c1baad0759ea3283eb6c6b6a022d2055ce7e05118a1dd
ripemd-160 6d7f2e354c5bfa1c99dbf6f14ee5516983f86e57

18731372 as geometric shapes

Circle

Radius = n
Diameter 37462744
Circumference 117692681.33372
Area 1.1022726978696E+15

Sphere

Radius = n
Volume 2.752943993232E+22
Surface area 4.4090907914785E+15
Circumference 117692681.33372

Square

Length = n
Perimeter 74925488
Area 350864297002384
Diagonal 26490160.324256

Cube

Length = n
Surface area 2105185782014304
Volume 6.5721696686701E+21
Space diagonal 32443687.999473

Equilateral Triangle

Length = n
Perimeter 56194116
Area 1.5192869724252E+14
Altitude 16221843.999737

Triangular Pyramid

Length = n
Surface area 1.5192869724252E+14
Volume 7.745376233042E+20
Height 8830053.4414185