18285438 (number)

18285438 is an even 8-digits composite number following 18285437 and preceding 18285439. In scientific notation, it is written as 1.8285438 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 5736576 positive integers (up to 18285438) that are relatively prime to 18285438.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighty-five thousand four hundred thirty-eight

Notation

Scientific notation 1.8285438 × 10^7
Engineering notation 1.8285438 × 10^6

Prime Factorization of 18285438

Prime Factorization 2 × 51 × 179269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18285438
Product of the distinct prime numbers

The prime factorization of 18285438 is 2 × 51 × 179269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18285438)

Multiplication

n×y
n×2 36570876
n×3 54856314
n×4 73141752
n×5 91427190

Division

n÷y
n÷2 9142719
n÷3 6095146
n÷3 4571359.5
n÷5 3657087.6

Exponentiation

ny
n2 334357242851844
n3 6.1138686340183E+21
n4 1.1179476584749E+29
n5 2.0442162596287E+36

Nth Root

y√n
2√n 4276.1475652741
3√n 263.45217552407
4√n 65.392259215248
5√n 28.341385247862

Divisors of 18285438

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 -18285437
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 18285438 can be divided by 8 positive divisors. The sum of these divisors (counting 18285438) is 1, the average is 0.125.

Base conversion 18285438

Base System Value
2 Binary 1000101110000001101111110
3 Ternary 1021101222220110
4 Quaternary 1011300031332
5 Quinary 14140113223
6 Senary 1451530450
8 Octal 105601576
10 Decimal 18285438
12 Duodecimal 6159a26
16 Hexadecimal 117037e
20 Vigesimal 5e5dbi
36 Base36 avx4u

Cryptographic Hash Functions

md5 33be07617635a16fbdf7a5a73e2ed0c3
sha1 859e53a42729fd1095992ccb442d4116358cd4c1
sha256 58de29dc1bec5b44903bf423f2e9e9326a0b861a8dbaeb6812ccb59266c7b638
sha512 07eed2dbdefe725fc49062ae8feef9afbd01ea547f2728932662edaae7bbb6c5b58f34f5bc619a8d69a4779932f8f8c8aa79af7aec5b66cc833904a5b1263447
ripemd-160 0221a082fbeaf64a65ea88bed915188e7e0ad784

18285438 as geometric shapes

Circle

Radius = n
Diameter 36570876
Circumference 114890795.37694
Area 1.0504142578179E+15

Sphere

Radius = n
Volume 2.5609713047527E+22
Surface area 4.2016570312716E+15
Circumference 114890795.37694

Square

Length = n
Perimeter 73141752
Area 334357242851844
Diagonal 25859514.413532

Cube

Length = n
Surface area 2006143457111064
Volume 6.1138686340183E+21
Space diagonal 31671307.654651

Equilateral Triangle

Length = n
Perimeter 54856314
Area 1.4478093312451E+14
Altitude 15835653.827325

Triangular Pyramid

Length = n
Surface area 1.4478093312451E+14
Volume 7.2052632839968E+20
Height 8619838.1378441