20105388 (number)

20105388 is an even 8-digits composite number following 20105387 and preceding 20105389. In scientific notation, it is written as 2.0105388 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors. There are 6701760 positive integers (up to 20105388) that are relatively prime to 20105388.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand three hundred eighty-eight

Notation

Scientific notation 2.0105388 × 10^7
Engineering notation 2.0105388 × 10^6

Prime Factorization of 20105388

Prime Factorization 2 × 2 × 3 × 3 × 3 × 186161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1116966
Product of the distinct prime numbers

The prime factorization of 20105388 is 2 × 2 × 3 × 3 × 3 × 186161. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105388)

Multiplication

n×y
n×2 40210776
n×3 60316164
n×4 80421552
n×5 100526940

Division

n÷y
n÷2 10052694
n÷3 6701796
n÷3 5026347
n÷5 4021077.6

Exponentiation

ny
n2 404226626630544
n3 8.1271331683382E+21
n4 1.6339916567711E+29
n5 3.2852036248146E+36

Nth Root

y√n
2√n 4483.9032103737
3√n 271.9177050634
4√n 66.961953453986
5√n 28.88434287744

Divisors of 20105388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105388 can be divided by 24 positive divisors. The sum of these divisors (counting 20105388) is 1, the average is 0.041666666666667.

Base conversion 20105388

Base System Value
2 Binary 1001100101100100010101100
3 Ternary 1101211110102000
4 Quaternary 1030230202230
5 Quinary 20121333023
6 Senary 1554532300
8 Octal 114544254
10 Decimal 20105388
12 Duodecimal 6897090
16 Hexadecimal 132c8ac
20 Vigesimal 65d398
36 Base36 byxf0

Cryptographic Hash Functions

md5 fef10a3b8b9d6aa0f1adeabc3c13f366
sha1 c3385e4b1d7c0b00f36c25fa8348588f62b3ecfc
sha256 8cef162a9f7d475888efa9b6c7b07d72be9220f5a40a767e49acb772c1ab1164
sha512 f582769fb2d5f0eba0f81f256f42e140c100cde6465d8d9538344d668186ec7a37068b190abb6ef3fbde629d12e5dffd60840a518ee81bcadb78d2e86433e7e6
ripemd-160 77d56725953a9c30a4176b033aeaee50ed9e6966

20105388 as geometric shapes

Circle

Radius = n
Diameter 40210776
Circumference 126325878.47674
Area 1.2699154006079E+15

Sphere

Radius = n
Volume 3.404285580853E+22
Surface area 5.0796616024316E+15
Circumference 126325878.47674

Square

Length = n
Perimeter 80421552
Area 404226626630544
Diagonal 28433312.386373

Cube

Length = n
Surface area 2425359759783264
Volume 8.1271331683382E+21
Space diagonal 34823553.521886

Equilateral Triangle

Length = n
Perimeter 60316164
Area 1.7503526377407E+14
Altitude 17411776.760943

Triangular Pyramid

Length = n
Surface area 1.7503526377407E+14
Volume 9.5779182915634E+20
Height 9477770.7954578