20621142 (number)

20621142 is an even 8-digits composite number following 20621141 and preceding 20621143. In scientific notation, it is written as 2.0621142 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 20 positive divisors. There are 6873660 positive integers (up to 20621142) that are relatively prime to 20621142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0621142 × 10^7
Engineering notation 2.0621142 × 10^6

Prime Factorization of 20621142

Prime Factorization 2 × 3 × 3 × 9 × 127291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6873714
Product of the distinct prime numbers

The prime factorization of 20621142 is 2 × 3 × 3 × 9 × 127291. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20621142)

Multiplication

n×y
n×2 41242284
n×3 61863426
n×4 82484568
n×5 103105710

Division

n÷y
n÷2 10310571
n÷3 6873714
n÷3 5155285.5
n÷5 4124228.4

Exponentiation

ny
n2 425231497384164
n3 8.7687590904315E+21
n4 1.8082182636758E+29
n5 3.7287525582252E+36

Nth Root

y√n
2√n 4541.0507594609
3√n 274.22322725541
4√n 67.387318981102
5√n 29.031036551841

Divisors of 20621142

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20621141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20621142 can be divided by 20 positive divisors. The sum of these divisors (counting 20621142) is 1, the average is 0.05.

Base conversion 20621142

Base System Value
2 Binary 1001110101010011101010110
3 Ternary 1102210122220000
4 Quaternary 1032222131112
5 Quinary 20234334032
6 Senary 2013552130
8 Octal 116523526
10 Decimal 20621142
12 Duodecimal 6aa5646
16 Hexadecimal 13aa756
20 Vigesimal 68hch2
36 Base36 c9zdi

Cryptographic Hash Functions

md5 65b50ee37cc2d9f088444731b7749278
sha1 40571574c7170090c3489d1f1dd45606e98fa773
sha256 9f80fd763b13a2559dbe58fd2fe25f9868cb0d345415abb9a6f538044ffbfbed
sha512 1c85d392139d49f5d290ba4dfe73bf25c6f14e7c69edf29d5f6c5ef60bab99e93c46819760efe37b0347649fd029f0132f184a8d15a885375ab4fe361445c6ea
ripemd-160 34a59597ba2de98e7d3eee33b6e336785c53fa8b

20621142 as geometric shapes

Circle

Radius = n
Diameter 41242284
Circumference 129566456.43166
Area 1.3359041482571E+15

Sphere

Radius = n
Volume 3.6730492186131E+22
Surface area 5.3436165930283E+15
Circumference 129566456.43166

Square

Length = n
Perimeter 82484568
Area 425231497384164
Diagonal 29162698.688021

Cube

Length = n
Surface area 2551388984304984
Volume 8.7687590904315E+21
Space diagonal 35716865.654092

Equilateral Triangle

Length = n
Perimeter 61863426
Area 1.8413063961199E+14
Altitude 17858432.827046

Triangular Pyramid

Length = n
Surface area 1.8413063961199E+14
Volume 1.0334081692392E+21
Height 9720899.5626738