20188909 (number)

20188909 is an odd 8-digits composite number following 20188908 and preceding 20188910. In scientific notation, it is written as 2.0188909 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 18347472 positive integers (up to 20188909) that are relatively prime to 20188909.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand nine hundred nine

Notation

Scientific notation 2.0188909 × 10^7
Engineering notation 2.0188909 × 10^6

Prime Factorization of 20188909

Prime Factorization 13 × 13 × 67 × 1783

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1552993
Product of the distinct prime numbers

The prime factorization of 20188909 is 13 × 13 × 67 × 1783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188909)

Multiplication

n×y
n×2 40377818
n×3 60566727
n×4 80755636
n×5 100944545

Division

n÷y
n÷2 10094454.5
n÷3 6729636.3333333
n÷3 5047227.25
n÷5 4037781.8

Exponentiation

ny
n2 407592046610281
n3 8.2288387381387E+21
n4 1.6613127645996E+29
n5 3.3540092225039E+36

Nth Root

y√n
2√n 4493.2069838813
3√n 272.2937147657
4√n 67.031388049789
5√n 28.908301136629

Divisors of 20188909

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20188908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20188909 can be divided by 12 positive divisors. The sum of these divisors (counting 20188909) is 1, the average is 0.083333333333333.

Base conversion 20188909

Base System Value
2 Binary 1001101000000111011101101
3 Ternary 1101222200222101
4 Quaternary 1031000323231
5 Quinary 20132021114
6 Senary 2000415101
8 Octal 115007355
10 Decimal 20188909
12 Duodecimal 6917491
16 Hexadecimal 1340eed
20 Vigesimal 663c59
36 Base36 c0pv1

Cryptographic Hash Functions

md5 c0c7c9a747603565e389bb949bc700a0
sha1 0a79e105484686da2826b2d63b9a9d19f1556f38
sha256 5a7d7aacc35fb432e4e5318bdb013c2bb8312c10a8f5b85c8070354d93c34a81
sha512 26fcbd6a4f34bf1e6c22324f0e7997bc4d1869656bd318cfda6ffe4db2087a6d326fef41f2eb3c6706e8b8cef3d3c07234bcb19d2c91dbd42f36e44c279ad866
ripemd-160 d925802f50e3515777913e44528c1bd91eb44583

20188909 as geometric shapes

Circle

Radius = n
Diameter 40377818
Circumference 126850656.39679
Area 1.2804881792925E+15

Sphere

Radius = n
Volume 3.4468879103082E+22
Surface area 5.1219527171699E+15
Circumference 126850656.39679

Square

Length = n
Perimeter 80755636
Area 407592046610281
Diagonal 28551428.917316

Cube

Length = n
Surface area 2445552279661686
Volume 8.2288387381387E+21
Space diagonal 34968216.137385

Equilateral Triangle

Length = n
Perimeter 60566727
Area 1.764925333725E+14
Altitude 17484108.068692

Triangular Pyramid

Length = n
Surface area 1.764925333725E+14
Volume 9.6977794550474E+20
Height 9517142.9724387