18181825 (number)

18181825 is an odd 8-digits composite number following 18181824 and preceding 18181826. In scientific notation, it is written as 1.8181825 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 14545440 positive integers (up to 18181825) that are relatively prime to 18181825.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-one thousand eight hundred twenty-five

Notation

Scientific notation 1.8181825 × 10^7
Engineering notation 1.8181825 × 10^6

Prime Factorization of 18181825

Prime Factorization 25 × 727273

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18181825
Product of the distinct prime numbers

The prime factorization of 18181825 is 25 × 727273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18181825)

Multiplication

n×y
n×2 36363650
n×3 54545475
n×4 72727300
n×5 90909125

Division

n÷y
n÷2 9090912.5
n÷3 6060608.3333333
n÷3 4545456.25
n÷5 3636365

Exponentiation

ny
n2 330578760330625
n3 6.0105251690484E+21
n4 1.0928231678173E+29
n5 1.98695195932E+36

Nth Root

y√n
2√n 4264.0151266148
3√n 262.95362230212
4√n 65.299426694381
5√n 28.309193352551

Divisors of 18181825

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18181824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18181825 can be divided by 4 positive divisors. The sum of these divisors (counting 18181825) is 1, the average is 0.25.

Base conversion 18181825

Base System Value
2 Binary 1000101010110111011000001
3 Ternary 1021012201202221
4 Quaternary 1011112323001
5 Quinary 14123304300
6 Senary 1445411041
8 Octal 105267301
10 Decimal 18181825
12 Duodecimal 6109a81
16 Hexadecimal 1156ec1
20 Vigesimal 5dceb5
36 Base36 atp6p

Cryptographic Hash Functions

md5 a1b894ba9321646b99bd5ded8501c1f0
sha1 19f741e4774a2ec4095f0ecfb0b6d4fae2d69364
sha256 2404504f66577eda8a255e3700b98cf27be490e5321b26883d23fdf78a0a4389
sha512 f7abfeaf63379c74aecee59bb2070f5bb8a6dd20082b69180c3d3c1eeab521fccb96da0b8aa7aaa032de81de3b843fcc1e5b8b97bb9d1eeb0f3493431cf09fef
ripemd-160 c6c754ab963abcc875ace2ee1eef0ac2972f98b7

18181825 as geometric shapes

Circle

Radius = n
Diameter 36363650
Circumference 114239775.69771
Area 1.0385438048875E+15

Sphere

Radius = n
Volume 2.5176828953732E+22
Surface area 4.15417521955E+15
Circumference 114239775.69771

Square

Length = n
Perimeter 72727300
Area 330578760330625
Diagonal 25712983.503694

Cube

Length = n
Surface area 1983472561983750
Volume 6.0105251690484E+21
Space diagonal 31491844.674326

Equilateral Triangle

Length = n
Perimeter 54545475
Area 1.4314480219894E+14
Altitude 15745922.337163

Triangular Pyramid

Length = n
Surface area 1.4314480219894E+14
Volume 7.0834718425442E+20
Height 8570994.5012314