20809724 (number)

20809724 is an even 8-digits composite number following 20809723 and preceding 20809725. In scientific notation, it is written as 2.0809724 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 9604464 positive integers (up to 20809724) that are relatively prime to 20809724.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred twenty-four

Notation

Scientific notation 2.0809724 × 10^7
Engineering notation 2.0809724 × 10^6

Prime Factorization of 20809724

Prime Factorization 2 × 2 × 13 × 400187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10404862
Product of the distinct prime numbers

The prime factorization of 20809724 is 2 × 2 × 13 × 400187. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 56, 6, 37, 467, 2434, 4121, 98528, 44058, 412357, 664709, 3619407, 5283048, 19782043, 3516186, 60923492, 37497217, 3113079758, 5243255678

Basic calculations (n = 20809724)

Multiplication

n×y
n×2 41619448
n×3 62429172
n×4 83238896
n×5 104048620

Division

n÷y
n÷2 10404862
n÷3 6936574.6666667
n÷3 5202431
n÷5 4161944.8

Exponentiation

ny
n2 433044612956176
n3 9.0115388753048E+21
n4 1.8752763681036E+29
n5 3.9023983643959E+36

Nth Root

y√n
2√n 4561.7676398519
3√n 275.05662305114
4√n 67.540859039932
5√n 29.083941608044

Divisors of 20809724

1, 2, 4, 13, 26, 52, 400187, 800374, 1600748, 5202431, 10404862, 20809724

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 -20809723
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 20809724 can be divided by 12 positive divisors. The sum of these divisors (counting 20809724) is 1, the average is 0.083333333333333.

Base conversion 20809724

Base System Value
2 Binary 1001111011000011111111100
3 Ternary 1110011020120112
4 Quaternary 1033120133330
5 Quinary 20311402344
6 Senary 2022005152
8 Octal 117303774
10 Decimal 20809724
12 Duodecimal 6b767b8
16 Hexadecimal 13d87fc
20 Vigesimal 6a1464
36 Base36 ce0vw

Cryptographic Hash Functions

md5 b4e8d9eac175dbd14d701113106129d1
sha1 fab1ad0b230afdb39f743177e65ef979a97c6d63
sha256 d9135b66c14fb1f1adc6293e7e2317f3c135d2559d7f311857b7ebbd0019deb0
sha512 f73c03002005840dff99a8092d0c48056a8c6d0aa1b1cce3424fbe033b18f6ac0e5960d88558aed4df2a704180790e2f65975d8fff02225b05156f2d12908467
ripemd-160 3d7d2613e0ce168da5ebd35f78c40d8cdee9d8eb

20809724 as geometric shapes

Circle

Radius = n
Diameter 41619448
Circumference 130751352.08326
Area 1.3604497747398E+15

Sphere

Radius = n
Volume 3.7747445770929E+22
Surface area 5.441799098959E+15
Circumference 130751352.08326

Square

Length = n
Perimeter 83238896
Area 433044612956176
Diagonal 29429393.910041

Cube

Length = n
Surface area 2598267677737056
Volume 9.0115388753048E+21
Space diagonal 36043499.259485

Equilateral Triangle

Length = n
Perimeter 62429172
Area 1.8751381789602E+14
Altitude 18021749.629743

Triangular Pyramid

Length = n
Surface area 1.8751381789602E+14
Volume 1.0620200412757E+21
Height 9809797.9700136