20809970 (number)

20809970 is an even 8-digits composite number following 20809969 and preceding 20809971. In scientific notation, it is written as 2.0809970 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8297520 positive integers (up to 20809970) that are relatively prime to 20809970.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred seventy

Notation

Scientific notation 2.0809970 × 10^7
Engineering notation 2.0809970 × 10^6

Prime Factorization of 20809970

Prime Factorization 2 × 5 × 331 × 6287

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20809970
Product of the distinct prime numbers

The prime factorization of 20809970 is 2 × 5 × 331 × 6287. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809970)

Multiplication

n×y
n×2 41619940
n×3 62429910
n×4 83239880
n×5 104049850

Division

n÷y
n÷2 10404985
n÷3 6936656.6666667
n÷3 5202492.5
n÷5 4161994

Exponentiation

ny
n2 433054851400900
n3 9.0118584660072E+21
n4 1.8753650432186E+29
n5 3.9026290288427E+36

Nth Root

y√n
2√n 4561.7946030044
3√n 275.05770689801
4√n 67.541058645867
5√n 29.084010370281

Divisors of 20809970

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809969
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809970 can be divided by 16 positive divisors. The sum of these divisors (counting 20809970) is 1, the average is 0.0625.

Base conversion 20809970

Base System Value
2 Binary 1001111011000100011110010
3 Ternary 1110011020220122
4 Quaternary 1033120203302
5 Quinary 20311404340
6 Senary 2022010242
8 Octal 117304362
10 Decimal 20809970
12 Duodecimal 6b76982
16 Hexadecimal 13d88f2
20 Vigesimal 6a14ia
36 Base36 ce12q

Cryptographic Hash Functions

md5 b5bf4f569dc3aeee4333f1e38129cf72
sha1 b84c38457852ddae7b4d9a60275d2b0198b52f11
sha256 a9a15542c9909ef2db860360fe8dcd091c57879fe4d2cfba94997340127c4750
sha512 78490c562cc93b4a11cef05a9478e645bb2fbc00b9982de3485637092065f369276671a34c9ea7382497670d481c0405c0ec54bedd393643feee54cc8d72a8d3
ripemd-160 3ced130f92c16ccbc0f1be76d301bfe06775bd7c

20809970 as geometric shapes

Circle

Radius = n
Diameter 41619940
Circumference 130752897.74685
Area 1.3604819397625E+15

Sphere

Radius = n
Volume 3.7748784469332E+22
Surface area 5.4419277590499E+15
Circumference 130752897.74685

Square

Length = n
Perimeter 83239880
Area 433054851400900
Diagonal 29429741.806577

Cube

Length = n
Surface area 2598329108405400
Volume 9.0118584660072E+21
Space diagonal 36043925.343984

Equilateral Triangle

Length = n
Perimeter 62429910
Area 1.8751825127264E+14
Altitude 18021962.671992

Triangular Pyramid

Length = n
Surface area 1.8751825127264E+14
Volume 1.0620577054012E+21
Height 9809913.9355257