20105385 (number)

20105385 is an odd 8-digits composite number following 20105384 and preceding 20105386. In scientific notation, it is written as 2.0105385 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10722864 positive integers (up to 20105385) that are relatively prime to 20105385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0105385 × 10^7
Engineering notation 2.0105385 × 10^6

Prime Factorization of 20105385

Prime Factorization 3 × 5 × 1340359

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20105385
Product of the distinct prime numbers

The prime factorization of 20105385 is 3 × 5 × 1340359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105385)

Multiplication

n×y
n×2 40210770
n×3 60316155
n×4 80421540
n×5 100526925

Division

n÷y
n÷2 10052692.5
n÷3 6701795
n÷3 5026346.25
n÷5 4021077

Exponentiation

ny
n2 404226505998225
n3 8.1271295302991E+21
n4 1.6339906815153E+29
n5 3.2852011738278E+36

Nth Root

y√n
2√n 4483.9028758438
3√n 271.91769153879
4√n 66.961950956075
5√n 28.884342015452

Divisors of 20105385

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 -20105384
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 20105385 can be divided by 8 positive divisors. The sum of these divisors (counting 20105385) is 1, the average is 0.125.

Base conversion 20105385

Base System Value
2 Binary 1001100101100100010101001
3 Ternary 1101211110101220
4 Quaternary 1030230202221
5 Quinary 20121333020
6 Senary 1554532253
8 Octal 114544251
10 Decimal 20105385
12 Duodecimal 6897089
16 Hexadecimal 132c8a9
20 Vigesimal 65d395
36 Base36 byxex

Cryptographic Hash Functions

md5 0983b7220b0a7ec0cc924023d399546f
sha1 dd71de97f8e034967efb8f961daf81a542e67cf9
sha256 5fa60edfa8fd7c25353721839566cc261ed46b3d466f775bbc5fb7e1b3b77c98
sha512 c121729b7aec49ca28bf2db795d0567c6b22fd52784bc5ba4873040e9c007ca634d109efa66b9ba336bdfa20a1ed26ca2fc46e6f5adfdf8a2715c05270b96e4c
ripemd-160 d646b915602fbf0d7f5953377b98e82dbadb4e24

20105385 as geometric shapes

Circle

Radius = n
Diameter 40210770
Circumference 126325859.62719
Area 1.2699150216303E+15

Sphere

Radius = n
Volume 3.4042840569547E+22
Surface area 5.0796600865212E+15
Circumference 126325859.62719

Square

Length = n
Perimeter 80421540
Area 404226505998225
Diagonal 28433308.143733

Cube

Length = n
Surface area 2425359035989350
Volume 8.1271295302991E+21
Space diagonal 34823548.325733

Equilateral Triangle

Length = n
Perimeter 60316155
Area 1.7503521153874E+14
Altitude 17411774.162867

Triangular Pyramid

Length = n
Surface area 1.7503521153874E+14
Volume 9.5779140040933E+20
Height 9477769.3812442