18381285 (number)

18381285 is an odd 8-digits composite number following 18381284 and preceding 18381286. In scientific notation, it is written as 1.8381285 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 9045504 positive integers (up to 18381285) that are relatively prime to 18381285.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand two hundred eighty-five

Notation

Scientific notation 1.8381285 × 10^7
Engineering notation 1.8381285 × 10^6

Prime Factorization of 18381285

Prime Factorization 15 × 13 × 3 × 13 × 2417

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1413945
Product of the distinct prime numbers

The prime factorization of 18381285 is 15 × 13 × 3 × 13 × 2417. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 5, 43, 252, 196, 7147, 9877, 95841, 84919, 945325, 540978, 9117688, 7531890, 19772734, 31868365, 544023342, 137587321, 6891297429, 9586700142

Basic calculations (n = 18381285)

Multiplication

n×y
n×2 36762570
n×3 55143855
n×4 73525140
n×5 91906425

Division

n÷y
n÷2 9190642.5
n÷3 6127095
n÷3 4595321.25
n÷5 3676257

Exponentiation

ny
n2 337871638251225
n3 6.2105148761127E+21
n4 1.1415724393457E+29
n5 2.0983568355758E+36

Nth Root

y√n
2√n 4287.3400844813
3√n 263.91168705876
4√n 65.477783136582
5√n 28.371034623362

Divisors of 18381285

1, 3, 13, 15, 39, 45, 169, 195, 507, 585, 2417, 2535, 7251, 7605, 31421, 36255, 94263, 108765, 408473, 471315, 1225419, 1413945, 6127095, 18381285

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 -18381284
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 18381285 can be divided by 24 positive divisors. The sum of these divisors (counting 18381285) is 1, the average is 0.041666666666667.

Base conversion 18381285

Base System Value
2 Binary 1000110000111100111100101
3 Ternary 1021120212101100
4 Quaternary 1012013213211
5 Quinary 14201200120
6 Senary 1453550313
8 Octal 106074745
10 Decimal 18381285
12 Duodecimal 61a5399
16 Hexadecimal 11879e5
20 Vigesimal 5ehd45
36 Base36 axz39

Cryptographic Hash Functions

md5 f65eb2b368ff33776b0d548d2f94b4b0
sha1 c901fa7456ef6153f4962a496700e42d1cf0a909
sha256 8d89a8be6bf14591b1ba683ac33f6162755a8bfdff0490c004223a06608113cb
sha512 e3114c6dd7b8ab2376bf3ada871845dd4b0c88f25c13ad836faf0e3b713d0d1ce4acc6229818d7a7a88f6fc3362b33d78df69d2d93dbbce05bd3a27056ffa4b7
ripemd-160 0954d87d04ddbbc3c573fb87b08d9c4365d256e1

18381285 as geometric shapes

Circle

Radius = n
Diameter 36762570
Circumference 115493019.83908
Area 1.0614550565864E+15

Sphere

Radius = n
Volume 2.6014543879741E+22
Surface area 4.2458202263456E+15
Circumference 115493019.83908

Square

Length = n
Perimeter 73525140
Area 337871638251225
Diagonal 25995062.540845

Cube

Length = n
Surface area 2027229829507350
Volume 6.2105148761127E+21
Space diagonal 31837319.528404

Equilateral Triangle

Length = n
Perimeter 55143855
Area 1.4630271097191E+14
Altitude 15918659.764202

Triangular Pyramid

Length = n
Surface area 1.4630271097191E+14
Volume 7.3191619725987E+20
Height 8665020.8469484