20187939 (number)

20187939 is an odd 8-digits composite number following 20187938 and preceding 20187940. In scientific notation, it is written as 2.0187939 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13458624 positive integers (up to 20187939) that are relatively prime to 20187939.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand nine hundred thirty-nine

Notation

Scientific notation 2.0187939 × 10^7
Engineering notation 2.0187939 × 10^6

Prime Factorization of 20187939

Prime Factorization 3 × 6729313

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20187939
Product of the distinct prime numbers

The prime factorization of 20187939 is 3 × 6729313. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187939)

Multiplication

n×y
n×2 40375878
n×3 60563817
n×4 80751756
n×5 100939695

Division

n÷y
n÷2 10093969.5
n÷3 6729313
n÷3 5046984.75
n÷5 4037587.8

Exponentiation

ny
n2 407552881067721
n3 8.2276527022694E+21
n4 1.660993508666E+29
n5 3.3532035632345E+36

Nth Root

y√n
2√n 4493.0990418641
3√n 272.28935380472
4√n 67.030582884711
5√n 28.90802334459

Divisors of 20187939

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 -20187938
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 20187939 can be divided by 4 positive divisors. The sum of these divisors (counting 20187939) is 1, the average is 0.25.

Base conversion 20187939

Base System Value
2 Binary 1001101000000101100100011
3 Ternary 1101222122122110
4 Quaternary 1031000230203
5 Quinary 20132003224
6 Senary 2000410403
8 Octal 115005443
10 Decimal 20187939
12 Duodecimal 6916a03
16 Hexadecimal 1340b23
20 Vigesimal 6639gj
36 Base36 c0p43

Cryptographic Hash Functions

md5 f758358c504337488be957ec28ec1905
sha1 b73fc9becb57e10ee8a87ecac2156636c177e2fe
sha256 50b17d4c8767053130d862134b89639598a132515a94e9b0e1a9a767c06c06a3
sha512 489265b1a17bc43f7ae108184d88892729294be86627b1fe43392a8c661437e3c608380fc26b47fb01964b57af88a3e937c009f22173e36bb13b9f49f8b8ad1a
ripemd-160 9b4860e40b92e6de6f9e4fe55b87c1e6d627ba1d

20187939 as geometric shapes

Circle

Radius = n
Diameter 40375878
Circumference 126844561.70704
Area 1.2803651371117E+15

Sphere

Radius = n
Volume 3.446391104765E+22
Surface area 5.1214605484468E+15
Circumference 126844561.70704

Square

Length = n
Perimeter 80751756
Area 407552881067721
Diagonal 28550057.130161

Cube

Length = n
Surface area 2445317286406326
Volume 8.2276527022694E+21
Space diagonal 34966536.048101

Equilateral Triangle

Length = n
Perimeter 60563817
Area 1.7647557419509E+14
Altitude 17483268.024051

Triangular Pyramid

Length = n
Surface area 1.7647557419509E+14
Volume 9.6963816983709E+20
Height 9516685.7100536