20105309 (number)

20105309 is an odd 8-digits composite number following 20105308 and preceding 20105310. In scientific notation, it is written as 2.0105309 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 17233116 positive integers (up to 20105309) that are relatively prime to 20105309.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand three hundred nine

Notation

Scientific notation 2.0105309 × 10^7
Engineering notation 2.0105309 × 10^6

Prime Factorization of 20105309

Prime Factorization 7 × 2872187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20105309
Product of the distinct prime numbers

The prime factorization of 20105309 is 7 × 2872187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105309)

Multiplication

n×y
n×2 40210618
n×3 60315927
n×4 80421236
n×5 100526545

Division

n÷y
n÷2 10052654.5
n÷3 6701769.6666667
n÷3 5026327.25
n÷5 4021061.8

Exponentiation

ny
n2 404223449985481
n3 8.1270373670041E+21
n4 1.6339659751816E+29
n5 3.2851390826513E+36

Nth Root

y√n
2√n 4483.8944010759
3√n 271.91734891465
4√n 66.961887675572
5√n 28.884320178383

Divisors of 20105309

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105308
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105309 can be divided by 4 positive divisors. The sum of these divisors (counting 20105309) is 1, the average is 0.25.

Base conversion 20105309

Base System Value
2 Binary 1001100101100100001011101
3 Ternary 1101211110022002
4 Quaternary 1030230201131
5 Quinary 20121332214
6 Senary 1554532045
8 Octal 114544135
10 Decimal 20105309
12 Duodecimal 6897025
16 Hexadecimal 132c85d
20 Vigesimal 65d359
36 Base36 byxct

Cryptographic Hash Functions

md5 d75a59f4a6fd7df0d85fcc955c31abef
sha1 2b558df29b083405143037f777c579c17ecdf83e
sha256 3d7e31d41c8f5744f3adc8c2fa5da46faaf0d096171b5c12a034d6cce6580fd2
sha512 e0708e3b4f1aa88f710afe7b9c10b6872b8f32f758513de8f0353cfdb86156b921560ed980a82a0f42cce12e0ae5460eb513454948205022c31b49f797282593
ripemd-160 a8502477e31bda76434120e6e9650eae92889f43

20105309 as geometric shapes

Circle

Radius = n
Diameter 40210618
Circumference 126325382.10511
Area 1.2699054208831E+15

Sphere

Radius = n
Volume 3.404245451684E+22
Surface area 5.0796216835324E+15
Circumference 126325382.10511

Square

Length = n
Perimeter 80421236
Area 404223449985481
Diagonal 28433200.663502

Cube

Length = n
Surface area 2425340699912886
Volume 8.1270373670041E+21
Space diagonal 34823416.689872

Equilateral Triangle

Length = n
Perimeter 60315927
Area 1.7503388824641E+14
Altitude 17411708.344936

Triangular Pyramid

Length = n
Surface area 1.7503388824641E+14
Volume 9.5778053886085E+20
Height 9477733.5545006