18220145 (number)

18220145 is an odd 8-digits composite number following 18220144 and preceding 18220146. In scientific notation, it is written as 1.8220145 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 13808880 positive integers (up to 18220145) that are relatively prime to 18220145.

Interesting facts

Basic properties

Name

Name eighteen million two hundred twenty thousand one hundred forty-five

Notation

Scientific notation 1.8220145 × 10^7
Engineering notation 1.8220145 × 10^6

Prime Factorization of 18220145

Prime Factorization 19 × 5 × 191791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18220145
Product of the distinct prime numbers

The prime factorization of 18220145 is 19 × 5 × 191791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18220145)

Multiplication

n×y
n×2 36440290
n×3 54660435
n×4 72880580
n×5 91100725

Division

n÷y
n÷2 9110072.5
n÷3 6073381.6666667
n÷3 4555036.25
n÷5 3644029

Exponentiation

ny
n2 331973683821025
n3 6.0486086554032E+21
n4 1.102065267497E+29
n5 2.0079788973259E+36

Nth Root

y√n
2√n 4268.5061789811
3√n 263.13822628791
4√n 65.333805789814
5√n 28.321116192064

Divisors of 18220145

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 -18220144
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 18220145 can be divided by 8 positive divisors. The sum of these divisors (counting 18220145) is 1, the average is 0.125.

Base conversion 18220145

Base System Value
2 Binary 1000101100000010001110001
3 Ternary 1021021200100012
4 Quaternary 1011200101301
5 Quinary 14131021040
6 Senary 1450304305
8 Octal 105402161
10 Decimal 18220145
12 Duodecimal 6128095
16 Hexadecimal 1160471
20 Vigesimal 5dha75
36 Base36 auir5

Cryptographic Hash Functions

md5 66a96e689040b9e30f8039d1acd4a885
sha1 b56e3c88e535e7fee7b461566f08265c59ccdcbd
sha256 4822113c4dd4bade92c80ce948163fbcca9bb9405c34a5d4b429d91334974bde
sha512 480ffd5369f5e6f70fc4ff9d7c09d6e54cd1ed60ef29780c1cbb6fee4a3facd02db28307098a324354ba346755bea8339f4e86dc9dfaf5894d9234cfd1d4af84
ripemd-160 81de0ee00b59cd3ec3928d65c3b7a769fc484af1

18220145 as geometric shapes

Circle

Radius = n
Diameter 36440290
Circumference 114480547.35868
Area 1.0429260862773E+15

Sphere

Radius = n
Volume 2.5336352688339E+22
Surface area 4.1717043451091E+15
Circumference 114480547.35868

Square

Length = n
Perimeter 72880580
Area 331973683821025
Diagonal 25767176.167404

Cube

Length = n
Surface area 1991842102926150
Volume 6.0486086554032E+21
Space diagonal 31558216.861272

Equilateral Triangle

Length = n
Perimeter 54660435
Area 1.4374882178846E+14
Altitude 15779108.430636

Triangular Pyramid

Length = n
Surface area 1.4374882178846E+14
Volume 7.1283536616321E+20
Height 8589058.7224681