20450 (number)

20450 is an even 5-digits composite number following 20449 and preceding 20451. In scientific notation, it is written as 2.0450 × 10^4. The sum of its digits is 11. It has a total of 4 prime factors and 12 positive divisors. There are 8160 positive integers (up to 20450) that are relatively prime to 20450.

Interesting facts

Basic properties

Name

Name twenty thousand four hundred fifty

Notation

Scientific notation 2.0450 × 10^4
Engineering notation 2.0450 × 10^3

Prime Factorization of 20450

Prime Factorization 2 × 5 × 5 × 409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4090
Product of the distinct prime numbers

The prime factorization of 20450 is 2 × 5 × 5 × 409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 25, 3, 470, 750, 2177, 6498, 20549, 81617, 969802, 358111, 1723155, 1080811, 71340523, 70362647, 560750034, 475863462, 1118514586, 8988050163

Basic calculations (n = 20450)

Multiplication

n×y
n×2 40900
n×3 61350
n×4 81800
n×5 102250

Division

n÷y
n÷2 10225
n÷3 6816.6666666667
n÷3 5112.5
n÷5 4090

Exponentiation

ny
n2 418202500
n3 8552241125000
n4 174893331006250000
n5 3.5765686190778E+21

Nth Root

y√n
2√n 143.00349646075
3√n 27.34624943139
4√n 11.958406936576
5√n 7.2801220872468

Divisors of 20450

1, 2, 5, 10, 25, 50, 409, 818, 2045, 4090, 10225, 20450

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 -20449
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 20450 can be divided by 12 positive divisors. The sum of these divisors (counting 20450) is 1, the average is 0.083333333333333.

Base conversion 20450

Base System Value
2 Binary 100111111100010
3 Ternary 1001001102
4 Quaternary 10333202
5 Quinary 1123300
6 Senary 234402
8 Octal 47742
10 Decimal 20450
12 Duodecimal ba02
16 Hexadecimal 4fe2
20 Vigesimal 2b2a
36 Base36 fs2

Cryptographic Hash Functions

md5 aaed7b69f91419f57022cbd9bd0a4224
sha1 0a376b108c78bd14cbba42cf97de27aa26523c57
sha256 e603b6a41864c6023051146a6ddd8d18dbc0893bde011c330d0b69f1e2b8e935
sha512 ae8cccf1e88669e4a776a13e712161dc1c3e99819132b98c2aec46a6998a2fec7cb3fde8ee15f8b8e3804499789608073a64775dbe166f0671ef3d00a0331e57
ripemd-160 0ee9e7590af84d020afc4f44827616200412a21d

20450 as geometric shapes

Circle

Radius = n
Diameter 40900
Circumference 128491.13953182
Area 1313821901.7129

Sphere

Radius = n
Volume 35823543853371
Surface area 5255287606.8515
Circumference 128491.13953182

Square

Length = n
Perimeter 81800
Area 418202500
Diagonal 28920.66735053

Cube

Length = n
Surface area 2509215000
Volume 8552241125000
Space diagonal 35420.439014784

Equilateral Triangle

Length = n
Perimeter 61350
Area 181086994.46308
Altitude 17710.219507392

Triangular Pyramid

Length = n
Surface area 181086994.46308
Volume 1007891282305
Height 9640.2224501766