20454645 (number)

20454645 is an odd 8-digits composite number following 20454644 and preceding 20454646. In scientific notation, it is written as 2.0454645 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10887360 positive integers (up to 20454645) that are relatively prime to 20454645.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-four thousand six hundred forty-five

Notation

Scientific notation 2.0454645 × 10^7
Engineering notation 2.0454645 × 10^6

Prime Factorization of 20454645

Prime Factorization 3 × 5 × 661 × 2063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20454645
Product of the distinct prime numbers

The prime factorization of 20454645 is 3 × 5 × 661 × 2063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20454645)

Multiplication

n×y
n×2 40909290
n×3 61363935
n×4 81818580
n×5 102273225

Division

n÷y
n÷2 10227322.5
n÷3 6818215
n÷3 5113661.25
n÷5 4090929

Exponentiation

ny
n2 418392502076025
n3 8.5580701006269E+21
n4 1.7505228579344E+29
n5 3.5806323623433E+36

Nth Root

y√n
2√n 4522.6811738171
3√n 273.48319744552
4√n 67.250882327425
5√n 28.98400455664

Divisors of 20454645

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 -20454644
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 20454645 can be divided by 16 positive divisors. The sum of these divisors (counting 20454645) is 1, the average is 0.0625.

Base conversion 20454645

Base System Value
2 Binary 1001110000001110011110101
3 Ternary 1102111012111110
4 Quaternary 1032001303311
5 Quinary 20214022040
6 Senary 2010225233
8 Octal 116016365
10 Decimal 20454645
12 Duodecimal 6a25219
16 Hexadecimal 1381cf5
20 Vigesimal 67ggc5
36 Base36 c6ewl

Cryptographic Hash Functions

md5 58c34efc2aa38cc6849415a85e442c4f
sha1 a80ae670ea76a61fd5341032be5b0285c03ab6c6
sha256 a0111df07850232a53e79b9dde9be69c74117282e4e342bcd28cb96377bd0ede
sha512 92740b3fa1742106ae30a5dc8a99d5db511a209e82662820fdf27aa706526510b0b95474d357ad119ad50b95b8e7f41248731e050099bc59bc26ba29ce54a331
ripemd-160 9945902aa01d49f40f987eb86e9ecb6efa1d718d

20454645 as geometric shapes

Circle

Radius = n
Diameter 40909290
Circumference 128520324.92757
Area 1.3144188108391E+15

Sphere

Radius = n
Volume 3.5847960209381E+22
Surface area 5.2576752433564E+15
Circumference 128520324.92757

Square

Length = n
Perimeter 81818580
Area 418392502076025
Diagonal 28927236.372527

Cube

Length = n
Surface area 2510355012456150
Volume 8.5580701006269E+21
Space diagonal 35428484.390785

Equilateral Triangle

Length = n
Perimeter 61363935
Area 1.8116926777539E+14
Altitude 17714242.195392

Triangular Pyramid

Length = n
Surface area 1.8116926777539E+14
Volume 1.0085782336705E+21
Height 9642412.1241757