20091538 (number)

20091538 is an even 8-digits composite number following 20091537 and preceding 20091539. In scientific notation, it is written as 2.0091538 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10045768 positive integers (up to 20091538) that are relatively prime to 20091538.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand five hundred thirty-eight

Notation

Scientific notation 2.0091538 × 10^7
Engineering notation 2.0091538 × 10^6

Prime Factorization of 20091538

Prime Factorization 2 × 10045769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20091538
Product of the distinct prime numbers

The prime factorization of 20091538 is 2 × 10045769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20091538)

Multiplication

n×y
n×2 40183076
n×3 60274614
n×4 80366152
n×5 100457690

Division

n÷y
n÷2 10045769
n÷3 6697179.3333333
n÷3 5022884.5
n÷5 4018307.6

Exponentiation

ny
n2 403669899205444
n3 8.1103491193423E+21
n4 1.6294938752453E+29
n5 3.2739038115259E+36

Nth Root

y√n
2√n 4482.3585309522
3√n 271.85525206454
4√n 66.950418452406
5√n 28.880362268591

Divisors of 20091538

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 -20091537
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 20091538 can be divided by 4 positive divisors. The sum of these divisors (counting 20091538) is 1, the average is 0.25.

Base conversion 20091538

Base System Value
2 Binary 1001100101001001010010010
3 Ternary 1101210202102001
4 Quaternary 1030221022102
5 Quinary 20120412123
6 Senary 1554344214
8 Octal 114511222
10 Decimal 20091538
12 Duodecimal 688b06a
16 Hexadecimal 1329292
20 Vigesimal 65b8gi
36 Base36 bymqa

Cryptographic Hash Functions

md5 1ef11baf7b16e68ad3e675aac536279e
sha1 6af299913febaefba139f92a726bace85b48547e
sha256 c2c295a11ec6a6567c3258e602675d89431bbab3984422840e109b1ba8c6e607
sha512 edd020396d7d55dfa49d4a85316623ec700d4e5cd0c8f6aa5b9471b584962ac24902880860c75ba107a59f1bfb7ee3caf0c8d3157a91af4478193c3f69c34c52
ripemd-160 0d2c621fe4f4c8d6bc06b010dc8d8c0b2332e75f

20091538 as geometric shapes

Circle

Radius = n
Diameter 40183076
Circumference 126238856.36024
Area 1.2681663898192E+15

Sphere

Radius = n
Volume 3.3972550948499E+22
Surface area 5.0726655592766E+15
Circumference 126238856.36024

Square

Length = n
Perimeter 80366152
Area 403669899205444
Diagonal 28413725.528534

Cube

Length = n
Surface area 2422019395232664
Volume 8.1103491193423E+21
Space diagonal 34799564.618201

Equilateral Triangle

Length = n
Perimeter 60274614
Area 1.7479419372751E+14
Altitude 17399782.3091

Triangular Pyramid

Length = n
Surface area 1.7479419372751E+14
Volume 9.5581381001289E+20
Height 9471241.8428448