18742745 (number)

18742745 is an odd 8-digits composite number following 18742744 and preceding 18742746. In scientific notation, it is written as 1.8742745 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 12719616 positive integers (up to 18742745) that are relatively prime to 18742745.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-two thousand seven hundred forty-five

Notation

Scientific notation 1.8742745 × 10^7
Engineering notation 1.8742745 × 10^6

Prime Factorization of 18742745

Prime Factorization 245 × 113 × 677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18742745
Product of the distinct prime numbers

The prime factorization of 18742745 is 245 × 113 × 677. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18742745)

Multiplication

n×y
n×2 37485490
n×3 56228235
n×4 74970980
n×5 93713725

Division

n÷y
n÷2 9371372.5
n÷3 6247581.6666667
n÷3 4685686.25
n÷5 3748549

Exponentiation

ny
n2 351290490135025
n3 6.5841480775258E+21
n4 1.2340500845931E+29
n5 2.3129486052756E+36

Nth Root

y√n
2√n 4329.289202629
3√n 265.6303730401
4√n 65.797334312486
5√n 28.48174798203

Divisors of 18742745

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 -18742744
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 18742745 can be divided by 8 positive divisors. The sum of these divisors (counting 18742745) is 1, the average is 0.125.

Base conversion 18742745

Base System Value
2 Binary 1000111011111110111011001
3 Ternary 1022021020012202
4 Quaternary 1013133313121
5 Quinary 14244231440
6 Senary 1505415545
8 Octal 107376731
10 Decimal 18742745
12 Duodecimal 633a5b5
16 Hexadecimal 11dfdd9
20 Vigesimal 5h2gh5
36 Base36 b5pzt

Cryptographic Hash Functions

md5 357de821b2b2448700a1cd50569a06bc
sha1 31e7196848d4308e52aa020ae46953713c602451
sha256 eb2ce93b94bffdd2fc3221c9f4a1233e14ca9ce99f7a3070b6f66e8cfce8ae42
sha512 a2cef57ccf4ed0e3283a93d075878385cce7c66292d56720d771e7056dda98bc0734d66bf4f5992579c401f4f88b102ed1236f0dfeb925528c3507b0d9509686
ripemd-160 37c5e067a38e14997f655b8bae1be98339197e0c

18742745 as geometric shapes

Circle

Radius = n
Diameter 37485490
Circumference 117764140.00021
Area 1.1036116230842E+15

Sphere

Radius = n
Volume 2.7579614974003E+22
Surface area 4.4144464923366E+15
Circumference 117764140.00021

Square

Length = n
Perimeter 74970980
Area 351290490135025
Diagonal 26506244.175101

Cube

Length = n
Surface area 2107742940810150
Volume 6.5841480775258E+21
Space diagonal 32463386.613308

Equilateral Triangle

Length = n
Perimeter 56228235
Area 1.5211324428241E+14
Altitude 16231693.306654

Triangular Pyramid

Length = n
Surface area 1.5211324428241E+14
Volume 7.7594929232581E+20
Height 8835414.7250335