20155471 (number)

20155471 is an odd 8-digits composite number following 20155470 and preceding 20155472. In scientific notation, it is written as 2.0155471 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16861824 positive integers (up to 20155471) that are relatively prime to 20155471.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand four hundred seventy-one

Notation

Scientific notation 2.0155471 × 10^7
Engineering notation 2.0155471 × 10^6

Prime Factorization of 20155471

Prime Factorization 791 × 83 × 307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155471
Product of the distinct prime numbers

The prime factorization of 20155471 is 791 × 83 × 307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155471)

Multiplication

n×y
n×2 40310942
n×3 60466413
n×4 80621884
n×5 100777355

Division

n÷y
n÷2 10077735.5
n÷3 6718490.3333333
n÷3 5038867.75
n÷5 4031094.2

Exponentiation

ny
n2 406243011231841
n3 8.188019231836E+21
n4 1.6503338417471E+29
n5 3.3263255887653E+36

Nth Root

y√n
2√n 4489.4844915647
3√n 272.14330233582
4√n 67.00361551114
5√n 28.898718877291

Divisors of 20155471

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 -20155470
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 20155471 can be divided by 8 positive divisors. The sum of these divisors (counting 20155471) is 1, the average is 0.125.

Base conversion 20155471

Base System Value
2 Binary 1001100111000110001001111
3 Ternary 1101221000002221
4 Quaternary 1030320301033
5 Quinary 20124433341
6 Senary 2000000211
8 Octal 114706117
10 Decimal 20155471
12 Duodecimal 6900067
16 Hexadecimal 1338c4f
20 Vigesimal 65j8db
36 Base36 c0027

Cryptographic Hash Functions

md5 e7957a35d55b43e27fd3cacf0c9edb0b
sha1 646f7069a2b226c885734d9287f5b9ab75165caa
sha256 704fccbe6586b4b5a5996627c31e3e407acfa87297fb814ca17db0264e10dd4d
sha512 453ff9db55264784b595185d14d0e105e08bb79ac13817ca4b9a839674aaf53d097a25d57bf2bb8361aef222fdccf48cb5ee8d1dd4d21b1fcc4cb5dd6e1a5ed0
ripemd-160 925a8d103941cb0c6d0600b75a6e33b5a9e15b72

20155471 as geometric shapes

Circle

Radius = n
Diameter 40310942
Circumference 126640559.24648
Area 1.2762500596581E+15

Sphere

Radius = n
Volume 3.4297894754917E+22
Surface area 5.1050002386326E+15
Circumference 126640559.24648

Square

Length = n
Perimeter 80621884
Area 406243011231841
Diagonal 28504140.444218

Cube

Length = n
Surface area 2437458067391046
Volume 8.188019231836E+21
Space diagonal 34910299.822481

Equilateral Triangle

Length = n
Perimeter 60466413
Area 1.7590838391833E+14
Altitude 17455149.911241

Triangular Pyramid

Length = n
Surface area 1.7590838391833E+14
Volume 9.6496732055286E+20
Height 9501380.1480725