20105685 (number)

20105685 is an odd 8-digits composite number following 20105684 and preceding 20105686. In scientific notation, it is written as 2.0105685 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 10722960 positive integers (up to 20105685) that are relatively prime to 20105685.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand six hundred eighty-five

Notation

Scientific notation 2.0105685 × 10^7
Engineering notation 2.0105685 × 10^6

Prime Factorization of 20105685

Prime Factorization 9 × 15 × 148931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20105685
Product of the distinct prime numbers

The prime factorization of 20105685 is 9 × 15 × 148931. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105685)

Multiplication

n×y
n×2 40211370
n×3 60317055
n×4 80422740
n×5 100528425

Division

n÷y
n÷2 10052842.5
n÷3 6701895
n÷3 5026421.25
n÷5 4021137

Exponentiation

ny
n2 404238569319225
n3 8.127493339583E+21
n4 1.6340882092525E+29
n5 3.2854462797446E+36

Nth Root

y√n
2√n 4483.9363287183
3√n 271.91904399406
4√n 66.962200745781
5√n 28.88442821376

Divisors of 20105685

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 -20105684
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 20105685 can be divided by 8 positive divisors. The sum of these divisors (counting 20105685) is 1, the average is 0.125.

Base conversion 20105685

Base System Value
2 Binary 1001100101100100111010101
3 Ternary 1101211110211000
4 Quaternary 1030230213111
5 Quinary 20121340220
6 Senary 1554533513
8 Octal 114544725
10 Decimal 20105685
12 Duodecimal 6897299
16 Hexadecimal 132c9d5
20 Vigesimal 65d445
36 Base36 byxn9

Cryptographic Hash Functions

md5 d95d722d1598de348801cc09298d7f58
sha1 970a4ee9e310f9d31aa1ac002995e70ce16f57fa
sha256 f57701b9ec365030ce3dc46327442438b2963a2c7a2a13d0b4c25c463469ce03
sha512 9998772505535b027724621c2f4bb6a43e0a801572bb2ab02aef755d4706fcd5e09ab637a7cf809cac58820bbf722d488b770bb7d37e1beffcc772590414fad8
ripemd-160 097f6bd0a34f0b0143327d518d36b40cd865984c

20105685 as geometric shapes

Circle

Radius = n
Diameter 40211370
Circumference 126327744.58278
Area 1.2699529196709E+15

Sphere

Radius = n
Volume 3.4044364490312E+22
Surface area 5.0798116786837E+15
Circumference 126327744.58278

Square

Length = n
Perimeter 80422740
Area 404238569319225
Diagonal 28433732.407801

Cube

Length = n
Surface area 2425431415915350
Volume 8.127493339583E+21
Space diagonal 34824067.940975

Equilateral Triangle

Length = n
Perimeter 60317055
Area 1.7504043510996E+14
Altitude 17412033.970488

Triangular Pyramid

Length = n
Surface area 1.7504043510996E+14
Volume 9.5783427574461E+20
Height 9477910.8026004