20115538 (number)

20115538 is an even 8-digits composite number following 20115537 and preceding 20115539. In scientific notation, it is written as 2.0115538 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10057768 positive integers (up to 20115538) that are relatively prime to 20115538.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0115538 × 10^7
Engineering notation 2.0115538 × 10^6

Prime Factorization of 20115538

Prime Factorization 2 × 10057769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20115538
Product of the distinct prime numbers

The prime factorization of 20115538 is 2 × 10057769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115538)

Multiplication

n×y
n×2 40231076
n×3 60346614
n×4 80462152
n×5 100577690

Division

n÷y
n÷2 10057769
n÷3 6705179.3333333
n÷3 5028884.5
n÷5 4023107.6

Exponentiation

ny
n2 404634869029444
n3 8.1394480840868E+21
n4 1.6372937723448E+29
n5 3.2935045094764E+36

Nth Root

y√n
2√n 4485.0348939557
3√n 271.96345565838
4√n 66.970403119256
5√n 28.887258681854

Divisors of 20115538

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 -20115537
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 20115538 can be divided by 4 positive divisors. The sum of these divisors (counting 20115538) is 1, the average is 0.25.

Base conversion 20115538

Base System Value
2 Binary 1001100101111000001010010
3 Ternary 1101211222022221
4 Quaternary 1030233001102
5 Quinary 20122144123
6 Senary 1555051254
8 Octal 114570122
10 Decimal 20115538
12 Duodecimal 68a0b2a
16 Hexadecimal 132f052
20 Vigesimal 65e8gi
36 Base36 bz58y

Cryptographic Hash Functions

md5 d1044e3444d30636806713848601396f
sha1 28224bedef312b86f3aba2489788f254a1de53b4
sha256 0161e06a861a0655da4cfd76442ef46bf76c53b1f7f72630ab938a2bf34f84c9
sha512 97370bc6fcd1b0b1703547a200ca58ab51a150ef630b84dc46dd933f0df9db80adc7458e2fdcf0f184fcb38c62267c01c88e0782e27ff69bade24d718c7200d0
ripemd-160 e07687697a3c0f14df7142911e8ac1750cde0522

20115538 as geometric shapes

Circle

Radius = n
Diameter 40231076
Circumference 126389652.80761
Area 1.2711979319292E+15

Sphere

Radius = n
Volume 3.409444040699E+22
Surface area 5.0847917277167E+15
Circumference 126389652.80761

Square

Length = n
Perimeter 80462152
Area 404634869029444
Diagonal 28447666.654031

Cube

Length = n
Surface area 2427809214176664
Volume 8.1394480840868E+21
Space diagonal 34841133.837582

Equilateral Triangle

Length = n
Perimeter 60346614
Area 1.7521203791824E+14
Altitude 17420566.918791

Triangular Pyramid

Length = n
Surface area 1.7521203791824E+14
Volume 9.5924315589561E+20
Height 9482555.5513438