20512644 (number)

20512644 is an even 8-digits composite number following 20512643 and preceding 20512645. In scientific notation, it is written as 2.0512644 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 6837544 positive integers (up to 20512644) that are relatively prime to 20512644.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0512644 × 10^7
Engineering notation 2.0512644 × 10^6

Prime Factorization of 20512644

Prime Factorization 2 × 2 × 3 × 1709387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10256322
Product of the distinct prime numbers

The prime factorization of 20512644 is 2 × 2 × 3 × 1709387. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512644)

Multiplication

n×y
n×2 41025288
n×3 61537932
n×4 82050576
n×5 102563220

Division

n÷y
n÷2 10256322
n÷3 6837548
n÷3 5128161
n÷5 4102528.8

Exponentiation

ny
n2 420768563870736
n3 8.6310757570717E+21
n4 1.7704618434184E+29
n5 3.6316853509626E+36

Nth Root

y√n
2√n 4529.0886500487
3√n 273.74144006928
4√n 67.298504069918
5√n 29.000422733373

Divisors of 20512644

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512644 can be divided by 12 positive divisors. The sum of these divisors (counting 20512644) is 1, the average is 0.083333333333333.

Base conversion 20512644

Base System Value
2 Binary 1001110001111111110000100
3 Ternary 1102121011001120
4 Quaternary 1032033332010
5 Quinary 20222401034
6 Senary 2011353540
8 Octal 116177604
10 Decimal 20512644
12 Duodecimal 6a528b0
16 Hexadecimal 138ff84
20 Vigesimal 6841c4
36 Base36 c7nno

Cryptographic Hash Functions

md5 7775c940163abf7480ab8cefd1ac660c
sha1 6fc60e79368e392e2f52a0aa35992550789dff82
sha256 27b1c78b8588b5a6ae4bf6e3b7d9e2e16c3cfdb3054bc545c03f2f6f833cf14e
sha512 65719f8f2e1525423c04dea69e60832b6f852c9bba4ce72317e1571519465f9c77892d4f3c124a40940509b7af98fabed4d7e7d9b3c4d39fd584089d55f47735
ripemd-160 b3c7404280ba67be3142e0219e7f7a04c0059a6b

20512644 as geometric shapes

Circle

Radius = n
Diameter 41025288
Circumference 128884743.39221
Area 1.3218834291178E+15

Sphere

Radius = n
Volume 3.6153765587991E+22
Surface area 5.2875337164713E+15
Circumference 128884743.39221

Square

Length = n
Perimeter 82050576
Area 420768563870736
Diagonal 29009259.344931

Cube

Length = n
Surface area 2524611383224416
Volume 8.6310757570717E+21
Space diagonal 35528941.605573

Equilateral Triangle

Length = n
Perimeter 61537932
Area 1.8219813271298E+14
Altitude 17764470.802786

Triangular Pyramid

Length = n
Surface area 1.8219813271298E+14
Volume 1.0171820327934E+21
Height 9669753.114977