18397842 (number)

18397842 is an even 8-digits composite number following 18397841 and preceding 18397843. In scientific notation, it is written as 1.8397842 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 5771840 positive integers (up to 18397842) that are relatively prime to 18397842.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-seven thousand eight hundred forty-two

Notation

Scientific notation 1.8397842 × 10^7
Engineering notation 1.8397842 × 10^6

Prime Factorization of 18397842

Prime Factorization 2 × 51 × 180371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18397842
Product of the distinct prime numbers

The prime factorization of 18397842 is 2 × 51 × 180371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18397842)

Multiplication

n×y
n×2 36795684
n×3 55193526
n×4 73591368
n×5 91989210

Division

n÷y
n÷2 9198921
n÷3 6132614
n÷3 4599460.5
n÷5 3679568.4

Exponentiation

ny
n2 338480590256964
n3 6.2273124196144E+21
n4 1.145691099807E+29
n5 2.1078243835056E+36

Nth Root

y√n
2√n 4289.2705673576
3√n 263.99090303824
4√n 65.492522988182
5√n 28.376143842484

Divisors of 18397842

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 -18397841
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 18397842 can be divided by 8 positive divisors. The sum of these divisors (counting 18397842) is 1, the average is 0.125.

Base conversion 18397842

Base System Value
2 Binary 1000110001011101010010010
3 Ternary 1021121201002120
4 Quaternary 1012023222102
5 Quinary 14202212332
6 Senary 1454155110
8 Octal 106135222
10 Decimal 18397842
12 Duodecimal 61b2a96
16 Hexadecimal 118ba92
20 Vigesimal 5ejec2
36 Base36 aybv6

Cryptographic Hash Functions

md5 909fe925858ed0c99dc2304855076f18
sha1 40c1112e1bbdeff646b675b9921718f927b96e4d
sha256 98d1f9e7914294a1ad0a62b5bb47de7d98d73b0559acf90bfa3578e8a48045f0
sha512 eff3ac3155361c15e9249e5c30ce3eb8b2e1c7ea6d17edf125c5e4eab83bbbf92b45dc946f5ec37db49d0727f3488017ebaf5a0bcc0ca08bb488afe1de1b2e1c
ripemd-160 31021afe44665aa5084f869822fd96516b536395

18397842 as geometric shapes

Circle

Radius = n
Diameter 36795684
Circumference 115597050.53821
Area 1.063368135734E+15

Sphere

Radius = n
Volume 2.6084905265425E+22
Surface area 4.2534725429361E+15
Circumference 115597050.53821

Square

Length = n
Perimeter 73591368
Area 338480590256964
Diagonal 26018477.674797

Cube

Length = n
Surface area 2030883541541784
Volume 6.2273124196144E+21
Space diagonal 31865997.093625

Equilateral Triangle

Length = n
Perimeter 55193526
Area 1.4656639492524E+14
Altitude 15932998.546812

Triangular Pyramid

Length = n
Surface area 1.4656639492524E+14
Volume 7.3389580674609E+20
Height 8672825.8915991