20155531 (number)

20155531 is an odd 8-digits composite number following 20155530 and preceding 20155532. In scientific notation, it is written as 2.0155531 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18250920 positive integers (up to 20155531) that are relatively prime to 20155531.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand five hundred thirty-one

Notation

Scientific notation 2.0155531 × 10^7
Engineering notation 2.0155531 × 10^6

Prime Factorization of 20155531

Prime Factorization 11 × 263 × 6967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155531
Product of the distinct prime numbers

The prime factorization of 20155531 is 11 × 263 × 6967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155531)

Multiplication

n×y
n×2 40311062
n×3 60466593
n×4 80622124
n×5 100777655

Division

n÷y
n÷2 10077765.5
n÷3 6718510.3333333
n÷3 5038882.75
n÷5 4031106.2

Exponentiation

ny
n2 406245429891961
n3 8.1880923557957E+21
n4 1.650353493081E+29
n5 3.3263750990753E+36

Nth Root

y√n
2√n 4489.4911738414
3√n 272.14357237966
4√n 67.003665376167
5√n 28.898736082754

Divisors of 20155531

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 -20155530
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 20155531 can be divided by 8 positive divisors. The sum of these divisors (counting 20155531) is 1, the average is 0.125.

Base conversion 20155531

Base System Value
2 Binary 1001100111000110010001011
3 Ternary 1101221000012011
4 Quaternary 1030320302023
5 Quinary 20124434111
6 Senary 2000000351
8 Octal 114706213
10 Decimal 20155531
12 Duodecimal 69000b7
16 Hexadecimal 1338c8b
20 Vigesimal 65j8gb
36 Base36 c003v

Cryptographic Hash Functions

md5 aa7c9b56ec2c92cd637edb6680bc1627
sha1 803c4e888747aa31606a3cc57fa41c920b4715f0
sha256 7463b834022e1af5929b3de06b756b41d44609cbaa9e89319f55c59e6027aff9
sha512 e6eacfb766658c9daf5ceb729e769c7260ab08c19447ddec74a6f73455154e2c8f23b3b69f2353f882e8decbb8caf67df7c6dae048276e1ddd275bb7b18817a1
ripemd-160 3183a2ec089de77982f0ba8774d826d39017858b

20155531 as geometric shapes

Circle

Radius = n
Diameter 40311062
Circumference 126640936.2376
Area 1.276257658103E+15

Sphere

Radius = n
Volume 3.4298201055844E+22
Surface area 5.105030632412E+15
Circumference 126640936.2376

Square

Length = n
Perimeter 80622124
Area 406245429891961
Diagonal 28504225.297031

Cube

Length = n
Surface area 2437472579351766
Volume 8.1880923557957E+21
Space diagonal 34910403.74553

Equilateral Triangle

Length = n
Perimeter 60466593
Area 1.7590943122888E+14
Altitude 17455201.872765

Triangular Pyramid

Length = n
Surface area 1.7590943122888E+14
Volume 9.6497593829415E+20
Height 9501408.4323438