20187385 (number)

20187385 is an odd 8-digits composite number following 20187384 and preceding 20187386. In scientific notation, it is written as 2.0187385 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 15713280 positive integers (up to 20187385) that are relatively prime to 20187385.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand three hundred eighty-five

Notation

Scientific notation 2.0187385 × 10^7
Engineering notation 2.0187385 × 10^6

Prime Factorization of 20187385

Prime Factorization 185 × 109121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20187385
Product of the distinct prime numbers

The prime factorization of 20187385 is 185 × 109121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187385)

Multiplication

n×y
n×2 40374770
n×3 60562155
n×4 80749540
n×5 100936925

Division

n÷y
n÷2 10093692.5
n÷3 6729128.3333333
n÷3 5046846.25
n÷5 4037477

Exponentiation

ny
n2 407530513138225
n3 8.2269753679689E+21
n4 1.660811191387E+29
n5 3.3527434932839E+36

Nth Root

y√n
2√n 4493.0373913423
3√n 272.28686304886
4√n 67.030123014525
5√n 28.907864683315

Divisors of 20187385

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 -20187384
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 20187385 can be divided by 4 positive divisors. The sum of these divisors (counting 20187385) is 1, the average is 0.25.

Base conversion 20187385

Base System Value
2 Binary 1001101000000100011111001
3 Ternary 1101222121212221
4 Quaternary 1031000203321
5 Quinary 20131444020
6 Senary 2000404041
8 Octal 115004371
10 Decimal 20187385
12 Duodecimal 6916621
16 Hexadecimal 13408f9
20 Vigesimal 663895
36 Base36 c0oop

Cryptographic Hash Functions

md5 9f8a047c4ed7b8f0b6847c8917711ce6
sha1 1811282e5589b1dfd903fff24c5f0832c344126d
sha256 0b9b19bbbe739b2019da637c5f1baebc12f828a4692d028d738ed4b2a11cd03a
sha512 54f64bf4d4e197f125b3b6ea29e1e362738846be193683c51889fee882cd3bfbf60aa5f00a8936f5b80f5050cd22796fea5fe8a3192664d1bb6c87e2b5774074
ripemd-160 4c0e6455a3f79c29c527bcf280c8e8c0c6ac9605

20187385 as geometric shapes

Circle

Radius = n
Diameter 40374770
Circumference 126841080.82238
Area 1.2802948661887E+15

Sphere

Radius = n
Volume 3.4461073836367E+22
Surface area 5.1211794647549E+15
Circumference 126841080.82238

Square

Length = n
Perimeter 80749540
Area 407530513138225
Diagonal 28549273.655847

Cube

Length = n
Surface area 2445183078829350
Volume 8.2269753679689E+21
Space diagonal 34965576.491954

Equilateral Triangle

Length = n
Perimeter 60562155
Area 1.7646588859751E+14
Altitude 17482788.245977

Triangular Pyramid

Length = n
Surface area 1.7646588859751E+14
Volume 9.6955834522425E+20
Height 9516424.5519491