18181142 (number)

18181142 is an even 8-digits composite number following 18181141 and preceding 18181143. In scientific notation, it is written as 1.8181142 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 7791912 positive integers (up to 18181142) that are relatively prime to 18181142.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-one thousand one hundred forty-two

Notation

Scientific notation 1.8181142 × 10^7
Engineering notation 1.8181142 × 10^6

Prime Factorization of 18181142

Prime Factorization 2 × 7 × 1298653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18181142
Product of the distinct prime numbers

The prime factorization of 18181142 is 2 × 7 × 1298653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18181142)

Multiplication

n×y
n×2 36362284
n×3 54543426
n×4 72724568
n×5 90905710

Division

n÷y
n÷2 9090571
n÷3 6060380.6666667
n÷3 4545285.5
n÷5 3636228.4

Exponentiation

ny
n2 330553924424164
n3 6.009847838613E+21
n4 1.0926589695222E+29
n5 1.9865787882456E+36

Nth Root

y√n
2√n 4263.9350370286
3√n 262.95032964452
4√n 65.298813442731
5√n 28.308980662465

Divisors of 18181142

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 -18181141
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 18181142 can be divided by 8 positive divisors. The sum of these divisors (counting 18181142) is 1, the average is 0.125.

Base conversion 18181142

Base System Value
2 Binary 1000101010110110000010110
3 Ternary 1021012200211122
4 Quaternary 1011112300112
5 Quinary 14123244032
6 Senary 1445403542
8 Octal 105266026
10 Decimal 18181142
12 Duodecimal 61095b2
16 Hexadecimal 1156c16
20 Vigesimal 5dcch2
36 Base36 atonq

Cryptographic Hash Functions

md5 016708ba8171bcf4d543785e92abf647
sha1 7006cf91dc529219fc6a12b17f595891fe7e1e82
sha256 22659fa4eacef85a274bfad9f22814d7a9f4e1e083df886daf7bb9321880d01b
sha512 3f7febaa4002b75f2cbcc3174dc6d58373ef2b17eed2a518554012ec2b51b265b943d940b9eb9480d3cf1fe4cc2feab32afaa893baac3e9b1f5f0e74e3dabb5e
ripemd-160 28c1437c3a16940b2ca8b661d4d557a0410a1c50

18181142 as geometric shapes

Circle

Radius = n
Diameter 36362284
Circumference 114235484.28215
Area 1.0384657805862E+15

Sphere

Radius = n
Volume 2.5173991758639E+22
Surface area 4.1538631223449E+15
Circumference 114235484.28215

Square

Length = n
Perimeter 72724568
Area 330553924424164
Diagonal 25712017.595831

Cube

Length = n
Surface area 1983323546544984
Volume 6.009847838613E+21
Space diagonal 31490661.683624

Equilateral Triangle

Length = n
Perimeter 54543426
Area 1.4313404793598E+14
Altitude 15745330.841812

Triangular Pyramid

Length = n
Surface area 1.4313404793598E+14
Volume 7.0826736009709E+20
Height 8570672.5319437