20455890 (number)

20455890 is an even 8-digits composite number following 20455889 and preceding 20455891. In scientific notation, it is written as 2.0455890 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 4209408 positive integers (up to 20455890) that are relatively prime to 20455890.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand eight hundred ninety

Notation

Scientific notation 2.0455890 × 10^7
Engineering notation 2.0455890 × 10^6

Prime Factorization of 20455890

Prime Factorization 2 × 1365 × 59 × 127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20455890
Product of the distinct prime numbers

The prime factorization of 20455890 is 2 × 1365 × 59 × 127. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455890)

Multiplication

n×y
n×2 40911780
n×3 61367670
n×4 81823560
n×5 102279450

Division

n÷y
n÷2 10227945
n÷3 6818630
n÷3 5113972.5
n÷5 4091178

Exponentiation

ny
n2 418443435692100
n3 8.5596328917397E+21
n4 1.7509490887381E+29
n5 3.5817221954827E+36

Nth Root

y√n
2√n 4522.8188113167
3√n 273.48874597615
4√n 67.251905633348
5√n 28.984357378282

Divisors of 20455890

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 -20455889
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 20455890 can be divided by 16 positive divisors. The sum of these divisors (counting 20455890) is 1, the average is 0.0625.

Base conversion 20455890

Base System Value
2 Binary 1001110000010000111010010
3 Ternary 1102111021012120
4 Quaternary 1032002013102
5 Quinary 20214042030
6 Senary 2010235110
8 Octal 116020722
10 Decimal 20455890
12 Duodecimal 6a25a96
16 Hexadecimal 13821d2
20 Vigesimal 67gjea
36 Base36 c6fv6

Cryptographic Hash Functions

md5 74ab4df0beee7f5b1906da67a6e68b9a
sha1 0681e32c22e3694e73bb75b64923f83ac611192d
sha256 d0dfa4be6a789401f54fa6df6363a7666295fd8d5f57f6ac10a3d3fba30a1081
sha512 9c66ddd4b46f5e2b4ed23e2936cac9a115a9384e10ae754dee1b7e3fad1e3ea44ebc60b46df3c0e8efbfe818ba49331af17d86cba3bc7583bf1180e2b923a11b
ripemd-160 ce9159d2cc224fa350d7e97f04bec49c7ca9011b

20455890 as geometric shapes

Circle

Radius = n
Diameter 40911780
Circumference 128528147.49328
Area 1.3145788235132E+15

Sphere

Radius = n
Volume 3.5854506413487E+22
Surface area 5.2583152940527E+15
Circumference 128528147.49328

Square

Length = n
Perimeter 81823560
Area 418443435692100
Diagonal 28928997.068412

Cube

Length = n
Surface area 2510660614152600
Volume 8.5596328917397E+21
Space diagonal 35430640.79404

Equilateral Triangle

Length = n
Perimeter 61367670
Area 1.811913226781E+14
Altitude 17715320.39702

Triangular Pyramid

Length = n
Surface area 1.811913226781E+14
Volume 1.0087624103694E+21
Height 9642999.0228041