18381444 (number)

18381444 is an even 8-digits composite number following 18381443 and preceding 18381445. In scientific notation, it is written as 1.8381444 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6098784 positive integers (up to 18381444) that are relatively prime to 18381444.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand four hundred forty-four

Notation

Scientific notation 1.8381444 × 10^7
Engineering notation 1.8381444 × 10^6

Prime Factorization of 18381444

Prime Factorization 2 × 2 × 3 × 223 × 6869

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9190722
Product of the distinct prime numbers

The prime factorization of 18381444 is 2 × 2 × 3 × 223 × 6869. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 22, 12, 219, 92, 3027, 3836, 53729, 11451, 248547, 305824, 1675061, 3017635, 18344311, 25342346, 71231469, 948123528, 4061047552, 7463208217

Basic calculations (n = 18381444)

Multiplication

n×y
n×2 36762888
n×3 55144332
n×4 73525776
n×5 91907220

Division

n÷y
n÷2 9190722
n÷3 6127148
n÷3 4595361
n÷5 3676288.8

Exponentiation

ny
n2 337877483525136
n3 6.2106760422782E+21
n4 1.1416119387328E+29
n5 2.0984475921548E+36

Nth Root

y√n
2√n 4287.3586274069
3√n 263.91244801095
4√n 65.477924733507
5√n 28.371083705664

Divisors of 18381444

1, 2, 3, 4, 6, 12, 223, 446, 669, 892, 1338, 2676, 6869, 13738, 20607, 27476, 41214, 82428, 1531787, 3063574, 4595361, 6127148, 9190722, 18381444

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18381443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18381444 can be divided by 24 positive divisors. The sum of these divisors (counting 18381444) is 1, the average is 0.041666666666667.

Base conversion 18381444

Base System Value
2 Binary 1000110000111101010000100
3 Ternary 1021120212121020
4 Quaternary 1012013222010
5 Quinary 14201201234
6 Senary 1453551140
8 Octal 106075204
10 Decimal 18381444
12 Duodecimal 61a54b0
16 Hexadecimal 1187a84
20 Vigesimal 5ehdc4
36 Base36 axz7o

Cryptographic Hash Functions

md5 650fb8d393b86f26cf6ee9700a0d2a37
sha1 9259dac5347979c96d1268bcf391b932398c45b4
sha256 03e31527f6255fda092adf61784456f491b54745dbd54c714a497dad22f6ba38
sha512 50e00c2d3358633db4297cdae7a8328f8d513ffe5a6b9e61e473592874e5f7b2b1f50c55ce269bbac76e93255245b8b59a36991f99ea8dc7db84a4db407f9d7f
ripemd-160 90a061dcb973e052c438e8ba8e6520369136ccbe

18381444 as geometric shapes

Circle

Radius = n
Diameter 36762888
Circumference 115494018.86554
Area 1.061473420056E+15

Sphere

Radius = n
Volume 2.6015218970996E+22
Surface area 4.2458936802239E+15
Circumference 115494018.86554

Square

Length = n
Perimeter 73525776
Area 337877483525136
Diagonal 25995287.400802

Cube

Length = n
Surface area 2027264901150816
Volume 6.2106760422782E+21
Space diagonal 31837594.924482

Equilateral Triangle

Length = n
Perimeter 55144332
Area 1.4630524204976E+14
Altitude 15918797.462241

Triangular Pyramid

Length = n
Surface area 1.4630524204976E+14
Volume 7.3193519087463E+20
Height 8665095.8002672