20245638 (number)

20245638 is an even 8-digits composite number following 20245637 and preceding 20245639. In scientific notation, it is written as 2.0245638 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5784456 positive integers (up to 20245638) that are relatively prime to 20245638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0245638 × 10^7
Engineering notation 2.0245638 × 10^6

Prime Factorization of 20245638

Prime Factorization 2 × 7 × 3 × 482039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20245638
Product of the distinct prime numbers

The prime factorization of 20245638 is 2 × 7 × 3 × 482039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20245638)

Multiplication

n×y
n×2 40491276
n×3 60736914
n×4 80982552
n×5 101228190

Division

n÷y
n÷2 10122819
n÷3 6748546
n÷3 5061409.5
n÷5 4049127.6

Exponentiation

ny
n2 409885858027044
n3 8.2984007029349E+21
n4 1.6800641661057E+29
n5 3.4013970923747E+36

Nth Root

y√n
2√n 4499.5153072303
3√n 272.54851645761
4√n 67.078426541104
5√n 28.924528847446

Divisors of 20245638

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20245637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20245638 can be divided by 16 positive divisors. The sum of these divisors (counting 20245638) is 1, the average is 0.0625.

Base conversion 20245638

Base System Value
2 Binary 1001101001110110010000110
3 Ternary 1102002120210110
4 Quaternary 1031032302012
5 Quinary 20140330023
6 Senary 2001533450
8 Octal 115166206
10 Decimal 20245638
12 Duodecimal 6944286
16 Hexadecimal 134ec86
20 Vigesimal 66ae1i
36 Base36 c1xmu

Cryptographic Hash Functions

md5 93bf1d10a8c16fcca06ff035f87dd976
sha1 44b9bef441124f0d6954a0b245a18717b15da1d6
sha256 cb17f6fbe7e258f570c0d926a297956531dc586220aeaf3f4fdadce1a433d1d2
sha512 ebeb441169b636787510c0e13dd859a54c750467e14ddf4082b328c1a5c3c723cd455cb842ae52415eb200fab3e07d1bac7ebd5d3ae90492eca622e390377172
ripemd-160 b54c7166b75885082a1ac6151be3e3ec790ecb57

20245638 as geometric shapes

Circle

Radius = n
Diameter 40491276
Circumference 127207095.21608
Area 1.2876944003881E+15

Sphere

Radius = n
Volume 3.4760259579846E+22
Surface area 5.1507776015524E+15
Circumference 127207095.21608

Square

Length = n
Perimeter 80982552
Area 409885858027044
Diagonal 28631655.838496

Cube

Length = n
Surface area 2459315148162264
Volume 8.2984007029349E+21
Space diagonal 35066473.647647

Equilateral Triangle

Length = n
Perimeter 60736914
Area 1.774857828517E+14
Altitude 17533236.823824

Triangular Pyramid

Length = n
Surface area 1.774857828517E+14
Volume 9.7797590167475E+20
Height 9543885.2794987