20165905 (number)

20165905 is an odd 8-digits composite number following 20165904 and preceding 20165906. In scientific notation, it is written as 2.0165905 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15733312 positive integers (up to 20165905) that are relatively prime to 20165905.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-five thousand nine hundred five

Notation

Scientific notation 2.0165905 × 10^7
Engineering notation 2.0165905 × 10^6

Prime Factorization of 20165905

Prime Factorization 5 × 347 × 59 × 197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20165905
Product of the distinct prime numbers

The prime factorization of 20165905 is 5 × 347 × 59 × 197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20165905)

Multiplication

n×y
n×2 40331810
n×3 60497715
n×4 80663620
n×5 100829525

Division

n÷y
n÷2 10082952.5
n÷3 6721968.3333333
n÷3 5041476.25
n÷5 4033181

Exponentiation

ny
n2 406663724469025
n3 8.2007420345885E+21
n4 1.6537538479902E+29
n5 3.3349442991955E+36

Nth Root

y√n
2√n 4490.6463899978
3√n 272.19025490385
4√n 67.012285366176
5√n 28.901710291526

Divisors of 20165905

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 -20165904
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 20165905 can be divided by 16 positive divisors. The sum of these divisors (counting 20165905) is 1, the average is 0.0625.

Base conversion 20165905

Base System Value
2 Binary 1001100111011010100010001
3 Ternary 1101221112102101
4 Quaternary 1030323110101
5 Quinary 20130302110
6 Senary 2000120401
8 Octal 114732421
10 Decimal 20165905
12 Duodecimal 6906101
16 Hexadecimal 133b511
20 Vigesimal 660ef5
36 Base36 c0841

Cryptographic Hash Functions

md5 24f9410761141c2a52591779b9ba41cc
sha1 216574b23cc14f763f79d7ad7f65b1e88997d02a
sha256 93ab24ab67f24c8241d782711e95a07eaf1e39a25f0d2f92f0e0efd1a87f3a0f
sha512 5983fc3df716c3ebc133782c981ce8942ef9565fc1ab84c302c510c5ff6c303038f2576b5b8cb15766fce828b1ed6e61c4dd15699b87c29065c89941f6296cf2
ripemd-160 3217dc42b38a92006399a5a3dfda440a86fe0048

20165905 as geometric shapes

Circle

Radius = n
Diameter 40331810
Circumference 126706118.00198
Area 1.2775717692734E+15

Sphere

Radius = n
Volume 3.4351187906464E+22
Surface area 5.1102870770934E+15
Circumference 126706118.00198

Square

Length = n
Perimeter 80663620
Area 406663724469025
Diagonal 28518896.348527

Cube

Length = n
Surface area 2439982346814150
Volume 8.2007420345885E+21
Space diagonal 34928372.040607

Equilateral Triangle

Length = n
Perimeter 60497715
Area 1.7609055809389E+14
Altitude 17464186.020304

Triangular Pyramid

Length = n
Surface area 1.7609055809389E+14
Volume 9.6646671723652E+20
Height 9506298.7828425