20515500 (number)

20515500 is an even 8-digits composite number following 20515499 and preceding 20515501. In scientific notation, it is written as 2.0515500 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 72 positive divisors. There are 5299200 positive integers (up to 20515500) that are relatively prime to 20515500.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifteen thousand five hundred

Notation

Scientific notation 2.0515500 × 10^7
Engineering notation 2.0515500 × 10^6

Prime Factorization of 20515500

Prime Factorization 2 × 2 × 15 × 15 × 5 × 47 × 97

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 683850
Product of the distinct prime numbers

The prime factorization of 20515500 is 2 × 2 × 15 × 15 × 5 × 47 × 97. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20515500)

Multiplication

n×y
n×2 41031000
n×3 61546500
n×4 82062000
n×5 102577500

Division

n÷y
n÷2 10257750
n÷3 6838500
n÷3 5128875
n÷5 4103100

Exponentiation

ny
n2 420885740250000
n3 8.6346814040989E+21
n4 1.7714480634579E+29
n5 3.6342142745871E+36

Nth Root

y√n
2√n 4529.4039342942
3√n 273.75414392926
4√n 67.300846460459
5√n 29.001230241123

Divisors of 20515500

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20515499
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20515500 can be divided by 72 positive divisors. The sum of these divisors (counting 20515500) is 1, the average is 0.013888888888889.

Base conversion 20515500

Base System Value
2 Binary 1001110010000101010101100
3 Ternary 1102121021222100
4 Quaternary 1032100222230
5 Quinary 20222444000
6 Senary 2011415100
8 Octal 116205254
10 Decimal 20515500
12 Duodecimal 6a54490
16 Hexadecimal 1390aac
20 Vigesimal 6848f0
36 Base36 c7pv0

Cryptographic Hash Functions

md5 773047c4057eea7ece776aad1f52bf59
sha1 60cdf6f012b680a1da31041a2f621dc7f8a4c49a
sha256 247b1f8a050231deb6945675d5768e2d1da0830ca9afbf7b81659511ed1db3d4
sha512 62da93f5e638b4da6c8dfd2ccc7ce19c7d0c22709ac6ca35450dbd7277bca1f5062581794cc526036649e7b5e814e4e1c365ad565813cb546af5ed48f53e5528
ripemd-160 ce7d70920ca32644135c2fc65f8fb50205197e04

20515500 as geometric shapes

Circle

Radius = n
Diameter 41031000
Circumference 128902688.16944
Area 1.3222515495701E+15

Sphere

Radius = n
Volume 3.6168868886941E+22
Surface area 5.2890061982804E+15
Circumference 128902688.16944

Square

Length = n
Perimeter 82062000
Area 420885740250000
Diagonal 29013298.338865

Cube

Length = n
Surface area 2525314441500000
Volume 8.6346814040989E+21
Space diagonal 35533888.342679

Equilateral Triangle

Length = n
Perimeter 61546500
Area 1.8224887157356E+14
Altitude 17766944.17134

Triangular Pyramid

Length = n
Surface area 1.8224887157356E+14
Volume 1.0176069623706E+21
Height 9671099.4462884