18042181 (number)

18042181 is an odd 8-digits prime number following 18042180 and preceding 18042182. In scientific notation, it is written as 1.8042181 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 18042180 positive integers (up to 18042181) that are relatively prime to 18042181.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8042181 × 10^7
Engineering notation 1.8042181 × 10^6

Prime Factorization of 18042181

Prime Factorization 18042181

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18042181
Product of the distinct prime numbers

The prime factorization of 18042181 is 18042181. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18042181)

Multiplication

n×y
n×2 36084362
n×3 54126543
n×4 72168724
n×5 90210905

Division

n÷y
n÷2 9021090.5
n÷3 6014060.3333333
n÷3 4510545.25
n÷5 3608436.2

Exponentiation

ny
n2 325520295236761
n3 5.8730960858351E+21
n4 1.0596346261103E+29
n5 1.9118119718149E+36

Nth Root

y√n
2√n 4247.6088567569
3√n 262.27869359613
4√n 65.17368224028
5√n 28.265573856889

Divisors of 18042181

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18042182
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9021091
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4247.6089744702
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998891487
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18042181 can be divided by 2 positive divisors. The sum of these divisors (counting 18042181) is 18042182, the average is 9021091.

Base conversion 18042181

Base System Value
2 Binary 1000100110100110101000101
3 Ternary 1020221122012221
4 Quaternary 1010310311011
5 Quinary 14104322211
6 Senary 1442412341
8 Octal 104646505
10 Decimal 18042181
12 Duodecimal 60610b1
16 Hexadecimal 1134d45
20 Vigesimal 5cf591
36 Base36 aqpfp

Cryptographic Hash Functions

md5 3baadf94390dfbf096f27b056fc36198
sha1 22708034847910e109a45b9f3719d5d283e729bb
sha256 6899bee71275e17572a8f08b4b3de0102c84b38a7ed6525bff69bc431c070585
sha512 4da91dc026191c47bde6f630a6d62f626013d091c7bad391ba47e76898c82f4fb530fe80aa84804323fc61bec019fe7d90c15e0dee8610122e0b15029d1aa111
ripemd-160 50c7ca6a2ea1ed0833f55922d737fbfc6c7cb9fb

18042181 as geometric shapes

Circle

Radius = n
Diameter 36084362
Circumference 113362366.56867
Area 1.0226521681102E+15

Sphere

Radius = n
Volume 2.4601167356115E+22
Surface area 4.0906086724408E+15
Circumference 113362366.56867

Square

Length = n
Perimeter 72168724
Area 325520295236761
Diagonal 25515497.06499

Cube

Length = n
Surface area 1953121771420566
Volume 5.8730960858351E+21
Space diagonal 31249974.171354

Equilateral Triangle

Length = n
Perimeter 54126543
Area 1.4095442256122E+14
Altitude 15624987.085677

Triangular Pyramid

Length = n
Surface area 1.4095442256122E+14
Volume 6.9215101147569E+20
Height 8505165.6883301