20656420 (number)

20656420 is an even 8-digits composite number following 20656419 and preceding 20656421. In scientific notation, it is written as 2.0656420 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 36 positive divisors. There are 7824960 positive integers (up to 20656420) that are relatively prime to 20656420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0656420 × 10^7
Engineering notation 2.0656420 × 10^6

Prime Factorization of 20656420

Prime Factorization 2 × 2 × 5 × 19 × 19 × 2861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 543590
Product of the distinct prime numbers

The prime factorization of 20656420 is 2 × 2 × 5 × 19 × 19 × 2861. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20656420)

Multiplication

n×y
n×2 41312840
n×3 61969260
n×4 82625680
n×5 103282100

Division

n÷y
n÷2 10328210
n÷3 6885473.3333333
n÷3 5164105
n÷5 4131284

Exponentiation

ny
n2 426687687216400
n3 8.8138400759706E+21
n4 1.8206238242208E+29
n5 3.7607570375111E+36

Nth Root

y√n
2√n 4544.933442857
3√n 274.37951565049
4√n 67.41612153526
5√n 29.040962838056

Divisors of 20656420

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20656419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20656420 can be divided by 36 positive divisors. The sum of these divisors (counting 20656420) is 1, the average is 0.027777777777778.

Base conversion 20656420

Base System Value
2 Binary 1001110110011000100100100
3 Ternary 1102212110021121
4 Quaternary 1032303010210
5 Quinary 20242001140
6 Senary 2014423324
8 Octal 116630444
10 Decimal 20656420
12 Duodecimal 6b01b44
16 Hexadecimal 13b3124
20 Vigesimal 692110
36 Base36 caqlg

Cryptographic Hash Functions

md5 8fbd95ade63b61a90be59e928e62c4b6
sha1 35f4b66d97bb928f9a5b7d41dce1ab40deb168ca
sha256 3221747e2155e01917e8c6b39539cc9ed7719f045ff59b1aa546604663c86c23
sha512 767d7f36ffa2a9941bee52efc9e2bfdc79d1b9b4de121803cb20644e1e989eae38d97898cfed408c473658ba987f5dd88884e51e7e7b4017531d96943da54fcf
ripemd-160 e254351cb838bb1955a79b3a7f903fbddec5dc84

20656420 as geometric shapes

Circle

Radius = n
Diameter 41312840
Circumference 129788114.64293
Area 1.3404789035363E+15

Sphere

Radius = n
Volume 3.6919326976779E+22
Surface area 5.361915614145E+15
Circumference 129788114.64293

Square

Length = n
Perimeter 82625680
Area 426687687216400
Diagonal 29212589.314075

Cube

Length = n
Surface area 2560126123298400
Volume 8.8138400759706E+21
Space diagonal 35777968.942482

Equilateral Triangle

Length = n
Perimeter 61969260
Area 1.8476118830572E+14
Altitude 17888984.471241

Triangular Pyramid

Length = n
Surface area 1.8476118830572E+14
Volume 1.0387210143354E+21
Height 9737529.7713583