20090921 (number)

20090921 is an odd 8-digits composite number following 20090920 and preceding 20090922. In scientific notation, it is written as 2.0090921 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19946244 positive integers (up to 20090921) that are relatively prime to 20090921.

Interesting facts

Basic properties

Name

Name twenty million ninety thousand nine hundred twenty-one

Notation

Scientific notation 2.0090921 × 10^7
Engineering notation 2.0090921 × 10^6

Prime Factorization of 20090921

Prime Factorization 139 × 144539

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20090921
Product of the distinct prime numbers

The prime factorization of 20090921 is 139 × 144539. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20090921)

Multiplication

n×y
n×2 40181842
n×3 60272763
n×4 80363684
n×5 100454605

Division

n÷y
n÷2 10045460.5
n÷3 6696973.6666667
n÷3 5022730.25
n÷5 4018184.2

Exponentiation

ny
n2 403645106628241
n3 8.1096019493046E+21
n4 1.6292937210492E+29
n5 3.2734011435396E+36

Nth Root

y√n
2√n 4482.2897050503
3√n 271.85246919467
4√n 66.949904443922
5√n 28.880184886427

Divisors of 20090921

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 -20090920
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 20090921 can be divided by 4 positive divisors. The sum of these divisors (counting 20090921) is 1, the average is 0.25.

Base conversion 20090921

Base System Value
2 Binary 1001100101001000000101001
3 Ternary 1101210201120012
4 Quaternary 1030221000221
5 Quinary 20120402141
6 Senary 1554341305
8 Octal 114510051
10 Decimal 20090921
12 Duodecimal 688a835
16 Hexadecimal 1329029
20 Vigesimal 65b761
36 Base36 bym95

Cryptographic Hash Functions

md5 e36ea8fab68b561f02c434d5bb2b0e2c
sha1 a8bd3e33d4af48b7cf90d6ec85e56ccfd528c683
sha256 477f1e161652877d0f74da1f9e297fa7222cacb9f0261335b3d95afc2672a77f
sha512 49e8cae6c2d04a617cdeb00bb2a248df7930ebf43fe2fc36974321cf82308db7e6a9138e635c3db83dfed3f2f0107c1bd165e4e69f5e15143595fce22c051288
ripemd-160 1f103edaf8fa5f6f8d028e32e62cdeb1ddf61bef

20090921 as geometric shapes

Circle

Radius = n
Diameter 40181842
Circumference 126234979.63491
Area 1.2680885016408E+15

Sphere

Radius = n
Volume 3.3969421209964E+22
Surface area 5.072354006563E+15
Circumference 126234979.63491

Square

Length = n
Perimeter 80363684
Area 403645106628241
Diagonal 28412852.958766

Cube

Length = n
Surface area 2421870639769446
Volume 8.1096019493046E+21
Space diagonal 34798495.942853

Equilateral Triangle

Length = n
Perimeter 60272763
Area 1.7478345822667E+14
Altitude 17399247.971426

Triangular Pyramid

Length = n
Surface area 1.7478345822667E+14
Volume 9.5572575517948E+20
Height 9470950.9862555