20455920 (number)

20455920 is an even 8-digits composite number following 20455919 and preceding 20455921. In scientific notation, it is written as 2.0455920 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 40 positive divisors. There are 5454720 positive integers (up to 20455920) that are relatively prime to 20455920.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand nine hundred twenty

Notation

Scientific notation 2.0455920 × 10^7
Engineering notation 2.0455920 × 10^6

Prime Factorization of 20455920

Prime Factorization 2 × 2 × 2 × 2 × 9 × 5 × 28411

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2556990
Product of the distinct prime numbers

The prime factorization of 20455920 is 2 × 2 × 2 × 2 × 9 × 5 × 28411. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 6, 97, 95, 390, 519, 4289, 9192, 75521, 50509, 42219, 251021, 8719668, 7141537, 98331763, 60653528, 364583526, 398181078, 9814516662, 7927498539

Basic calculations (n = 20455920)

Multiplication

n×y
n×2 40911840
n×3 61367760
n×4 81823680
n×5 102279600

Division

n÷y
n÷2 10227960
n÷3 6818640
n÷3 5113980
n÷5 4091184

Exponentiation

ny
n2 418444663046400
n3 8.5596705517041E+21
n4 1.7509593603202E+29
n5 3.581748459796E+36

Nth Root

y√n
2√n 4522.8221278313
3√n 273.4888796729
4√n 67.251930290745
5√n 28.984365879796

Divisors of 20455920

1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 36, 40, 45, 72, 80, 90, 144, 180, 360, 720, 28411, 56822, 113644, 142055, 227288, 255699, 284110, 454576, 511398, 568220, 1022796, 1136440, 1278495, 2045592, 2272880, 2556990, 4091184, 5113980, 10227960, 20455920

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20455919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20455920 can be divided by 40 positive divisors. The sum of these divisors (counting 20455920) is 1, the average is 0.025.

Base conversion 20455920

Base System Value
2 Binary 1001110000010000111110000
3 Ternary 1102111021020200
4 Quaternary 1032002013300
5 Quinary 20214042140
6 Senary 2010235200
8 Octal 116020760
10 Decimal 20455920
12 Duodecimal 6a25b00
16 Hexadecimal 13821f0
20 Vigesimal 67gjg0
36 Base36 c6fw0

Cryptographic Hash Functions

md5 7e8b370ab6ce28b138fb8b498da185c6
sha1 c127bfa3614d70f95f0e5fadc3f9a12c52c461fe
sha256 fc2f51c486b5879312498a09e501ac56fc28a1e35c49461780a4869518fb2a03
sha512 38c598f14fa689df2475be7b9eda3858c0e8ee35491e043435e9fda1f08369983517fb5aaad42b63be38fc404ce2f74e3603d0b4fe809125fa31fd21272494a6
ripemd-160 a32f243b5e756ea52bfe08aec4a5e647b66b8294

20455920 as geometric shapes

Circle

Radius = n
Diameter 40911840
Circumference 128528335.98884
Area 1.3145826793604E+15

Sphere

Radius = n
Volume 3.5854664163177E+22
Surface area 5.2583307174417E+15
Circumference 128528335.98884

Square

Length = n
Perimeter 81823680
Area 418444663046400
Diagonal 28929039.494819

Cube

Length = n
Surface area 2510667978278400
Volume 8.5596705517041E+21
Space diagonal 35430692.755564

Equilateral Triangle

Length = n
Perimeter 61367760
Area 1.811918541381E+14
Altitude 17715346.377782

Triangular Pyramid

Length = n
Surface area 1.811918541381E+14
Volume 1.0087668486388E+21
Height 9643013.1649397