20642938 (number)

20642938 is an even 8-digits composite number following 20642937 and preceding 20642939. In scientific notation, it is written as 2.0642938 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10314720 positive integers (up to 20642938) that are relatively prime to 20642938.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-two thousand nine hundred thirty-eight

Notation

Scientific notation 2.0642938 × 10^7
Engineering notation 2.0642938 × 10^6

Prime Factorization of 20642938

Prime Factorization 2 × 2341 × 4409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20642938
Product of the distinct prime numbers

The prime factorization of 20642938 is 2 × 2341 × 4409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20642938)

Multiplication

n×y
n×2 41285876
n×3 61928814
n×4 82571752
n×5 103214690

Division

n÷y
n÷2 10321469
n÷3 6880979.3333333
n÷3 5160734.5
n÷5 4128587.6

Exponentiation

ny
n2 426130889271844
n3 8.7965935271235E+21
n4 1.8158753479161E+29
n5 3.7485002222761E+36

Nth Root

y√n
2√n 4543.4500107297
3√n 274.31980879398
4√n 67.405118579598
5√n 29.037170965908

Divisors of 20642938

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20642937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20642938 can be divided by 8 positive divisors. The sum of these divisors (counting 20642938) is 1, the average is 0.125.

Base conversion 20642938

Base System Value
2 Binary 1001110101111110001111010
3 Ternary 1102211202210021
4 Quaternary 1032233301322
5 Quinary 20241033223
6 Senary 2014241054
8 Octal 116576172
10 Decimal 20642938
12 Duodecimal 6ab618a
16 Hexadecimal 13afc7a
20 Vigesimal 69076i
36 Base36 cag6y

Cryptographic Hash Functions

md5 b019696858021d3bc56f3983bba166d7
sha1 0ee07f7fc6844647e07d0b1c26196509b365aac4
sha256 73c56ad7b4d8ce9d70c45d312982815cf374a9b3ae9a894f47dd02ccceb26aef
sha512 f7ad1ca4a0f6a45c1de214679ce9acedfecafffa27e9874c2793511e18f9e3c8247fff6e91ded014c7dc225a89fb60b136f9645ecafda0ca38f2095c9ce98687
ripemd-160 6a1df9054d2a699d4519786184ca22952b787e4b

20642938 as geometric shapes

Circle

Radius = n
Diameter 41285876
Circumference 129703404.73862
Area 1.3387296712041E+15

Sphere

Radius = n
Volume 3.6847084801902E+22
Surface area 5.3549186848164E+15
Circumference 129703404.73862

Square

Length = n
Perimeter 82571752
Area 426130889271844
Diagonal 29193522.886827

Cube

Length = n
Surface area 2556785335631064
Volume 8.7965935271235E+21
Space diagonal 35754617.433494

Equilateral Triangle

Length = n
Perimeter 61928814
Area 1.8452008772334E+14
Altitude 17877308.716747

Triangular Pyramid

Length = n
Surface area 1.8452008772334E+14
Volume 1.0366884890618E+21
Height 9731174.295609