20291428 (number)

20291428 is an even 8-digits composite number following 20291427 and preceding 20291429. In scientific notation, it is written as 2.0291428 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 9704552 positive integers (up to 20291428) that are relatively prime to 20291428.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand four hundred twenty-eight

Notation

Scientific notation 2.0291428 × 10^7
Engineering notation 2.0291428 × 10^6

Prime Factorization of 20291428

Prime Factorization 2 × 2 × 23 × 220559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10145714
Product of the distinct prime numbers

The prime factorization of 20291428 is 2 × 2 × 23 × 220559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291428)

Multiplication

n×y
n×2 40582856
n×3 60874284
n×4 81165712
n×5 101457140

Division

n÷y
n÷2 10145714
n÷3 6763809.3333333
n÷3 5072857
n÷5 4058285.6

Exponentiation

ny
n2 411742050279184
n3 8.3548341678124E+21
n4 1.6953151596811E+29
n5 3.4400365499977E+36

Nth Root

y√n
2√n 4504.6007592238
3√n 272.75383804529
4√n 67.11632259908
5√n 28.937600873931

Divisors of 20291428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20291427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20291428 can be divided by 12 positive divisors. The sum of these divisors (counting 20291428) is 1, the average is 0.083333333333333.

Base conversion 20291428

Base System Value
2 Binary 1001101011001111101100100
3 Ternary 1102011220121101
4 Quaternary 1031121331210
5 Quinary 20143311203
6 Senary 2002525444
8 Octal 115317544
10 Decimal 20291428
12 Duodecimal 6966884
16 Hexadecimal 1359f64
20 Vigesimal 66g8b8
36 Base36 c2wys

Cryptographic Hash Functions

md5 18d86ccb7e9e440d18213caf7df3f35f
sha1 7d9959199a1fdcc3b6d8ffbefe2520192d1f7b3e
sha256 4aa7cd67ec1488736076a991bf7d67d1065be9ec0d51633e28a4194614cc66c4
sha512 f083c29689421e113f4025b906517d0e7cd161869adf1ebe215e81600c8d4e051417ce510d611569a8c042e90bfd207a85dc96cab74720d1eab91eebf78c21a6
ripemd-160 1b1c9cfa40bbe81a30b6d04ffe8f1d5007d44335

20291428 as geometric shapes

Circle

Radius = n
Diameter 40582856
Circumference 127494802.27129
Area 1.2935258003311E+15

Sphere

Radius = n
Volume 3.4996647524747E+22
Surface area 5.1741032013243E+15
Circumference 127494802.27129

Square

Length = n
Perimeter 81165712
Area 411742050279184
Diagonal 28696412.677517

Cube

Length = n
Surface area 2470452301675104
Volume 8.3548341678124E+21
Space diagonal 35145784.254126

Equilateral Triangle

Length = n
Perimeter 60874284
Area 1.7828953767403E+14
Altitude 17572892.127063

Triangular Pyramid

Length = n
Surface area 1.7828953767403E+14
Volume 9.8462664929154E+20
Height 9565470.8925057