20045642 (number)

20045642 is an even 8-digits composite number following 20045641 and preceding 20045643. In scientific notation, it is written as 2.0045642 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10022820 positive integers (up to 20045642) that are relatively prime to 20045642.

Interesting facts

Basic properties

Name

Name twenty million forty-five thousand six hundred forty-two

Notation

Scientific notation 2.0045642 × 10^7
Engineering notation 2.0045642 × 10^6

Prime Factorization of 20045642

Prime Factorization 2 × 10022821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20045642
Product of the distinct prime numbers

The prime factorization of 20045642 is 2 × 10022821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20045642)

Multiplication

n×y
n×2 40091284
n×3 60136926
n×4 80182568
n×5 100228210

Division

n÷y
n÷2 10022821
n÷3 6681880.6666667
n÷3 5011410.5
n÷5 4009128.4

Exponentiation

ny
n2 401827763192164
n3 8.0548954866109E+21
n4 1.6146555127202E+29
n5 3.2366806361315E+36

Nth Root

y√n
2√n 4477.2359776987
3√n 271.64809053272
4√n 66.912151196167
5√n 28.867155654715

Divisors of 20045642

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20045641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20045642 can be divided by 4 positive divisors. The sum of these divisors (counting 20045642) is 1, the average is 0.25.

Base conversion 20045642

Base System Value
2 Binary 1001100011101111101001010
3 Ternary 1101201102110012
4 Quaternary 1030131331022
5 Quinary 20112430032
6 Senary 1553351522
8 Octal 114357512
10 Decimal 20045642
12 Duodecimal 68685a2
16 Hexadecimal 131df4a
20 Vigesimal 655e22
36 Base36 bxnbe

Cryptographic Hash Functions

md5 7190d11c3fb675eeb5be6c7a23ee7773
sha1 77c12c6c72322575ffc7359dd6138274a70aad84
sha256 74d830e6c06d937955741dc5ead8c13c6ce183bc1561c1778b8efdfac34743c7
sha512 1689a9adeda43ce40f9c8d82b43f59b8cd69820981e15b795a2cf267b86e77edb3527b65e9ec5629c71b4382c55efa670219d0644b0c849f302890696ad010cf
ripemd-160 2791e6e4db9795ed946af340029ba2969698a152

20045642 as geometric shapes

Circle

Radius = n
Diameter 40091284
Circumference 125950483.28738
Area 1.2623791488529E+15

Sphere

Radius = n
Volume 3.3740267314894E+22
Surface area 5.0495165954117E+15
Circumference 125950483.28738

Square

Length = n
Perimeter 80182568
Area 401827763192164
Diagonal 28348818.782876

Cube

Length = n
Surface area 2410966579152984
Volume 8.0548954866109E+21
Space diagonal 34720070.414337

Equilateral Triangle

Length = n
Perimeter 60136926
Area 1.7399652543515E+14
Altitude 17360035.207168

Triangular Pyramid

Length = n
Surface area 1.7399652543515E+14
Volume 9.4927853672191E+20
Height 9449606.2609586