18142421 (number)

18142421 is an odd 8-digits composite number following 18142420 and preceding 18142422. In scientific notation, it is written as 1.8142421 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16493100 positive integers (up to 18142421) that are relatively prime to 18142421.

Interesting facts

Basic properties

Name

Name eighteen million one hundred forty-two thousand four hundred twenty-one

Notation

Scientific notation 1.8142421 × 10^7
Engineering notation 1.8142421 × 10^6

Prime Factorization of 18142421

Prime Factorization 11 × 1649311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18142421
Product of the distinct prime numbers

The prime factorization of 18142421 is 11 × 1649311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18142421)

Multiplication

n×y
n×2 36284842
n×3 54427263
n×4 72569684
n×5 90712105

Division

n÷y
n÷2 9071210.5
n÷3 6047473.6666667
n÷3 4535605.25
n÷5 3628484.2

Exponentiation

ny
n2 329147439741241
n3 5.9715314228577E+21
n4 1.0833803708821E+29
n5 1.965514279168E+36

Nth Root

y√n
2√n 4259.3920927757
3√n 262.76352553025
4√n 65.264018362155
5√n 28.296912256198

Divisors of 18142421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18142420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18142421 can be divided by 4 positive divisors. The sum of these divisors (counting 18142421) is 1, the average is 0.25.

Base conversion 18142421

Base System Value
2 Binary 1000101001101010011010101
3 Ternary 1021010201201112
4 Quaternary 1011031103111
5 Quinary 14121024141
6 Senary 1444504405
8 Octal 105152325
10 Decimal 18142421
12 Duodecimal 60ab105
16 Hexadecimal 114d4d5
20 Vigesimal 5d7g11
36 Base36 asus5

Cryptographic Hash Functions

md5 5f53922234e1345a9a2e778bbaec6792
sha1 2984d6b7a9091cc0f6044a253c59ed966fe00c8a
sha256 8bfb1cf71d11e5ac0cf39121c1f5180ff98f112a09e8945566df038c7a286272
sha512 d234fb5672d85a0d8a195b82a5443111dffbb739305e078a3867722827a34eb32c87e559e3c31d831440c9276222d74592192fb95a72ab405025f6227eb47d0f
ripemd-160 bf89e72e1e58f2f427a4f364791b293940eeb5f8

18142421 as geometric shapes

Circle

Radius = n
Diameter 36284842
Circumference 113992193.06387
Area 1.034047178639E+15

Sphere

Radius = n
Volume 2.5013492331641E+22
Surface area 4.1361887145559E+15
Circumference 113992193.06387

Square

Length = n
Perimeter 72569684
Area 329147439741241
Diagonal 25657257.832482

Cube

Length = n
Surface area 1974884638447446
Volume 5.9715314228577E+21
Space diagonal 31423594.944305

Equilateral Triangle

Length = n
Perimeter 54427263
Area 1.4252502220326E+14
Altitude 15711797.472152

Triangular Pyramid

Length = n
Surface area 1.4252502220326E+14
Volume 7.0375172719521E+20
Height 8552419.2774942