20130428 (number)

20130428 is an even 8-digits composite number following 20130427 and preceding 20130429. In scientific notation, it is written as 2.0130428 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 9627552 positive integers (up to 20130428) that are relatively prime to 20130428.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand four hundred twenty-eight

Notation

Scientific notation 2.0130428 × 10^7
Engineering notation 2.0130428 × 10^6

Prime Factorization of 20130428

Prime Factorization 2 × 2 × 23 × 218809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10065214
Product of the distinct prime numbers

The prime factorization of 20130428 is 2 × 2 × 23 × 218809. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 48, 40, 141, 6, 7668, 7656, 97596, 51599, 914891, 944841, 9200529, 1634199, 71165126, 19478686, 178352929, 385742317, 3752221946, 1742861825

Basic calculations (n = 20130428)

Multiplication

n×y
n×2 40260856
n×3 60391284
n×4 80521712
n×5 100652140

Division

n÷y
n÷2 10065214
n÷3 6710142.6666667
n÷3 5032607
n÷5 4026085.6

Exponentiation

ny
n2 405234131463184
n3 8.1575365065622E+21
n4 1.6421470130272E+29
n5 3.3057122211159E+36

Nth Root

y√n
2√n 4486.6945516716
3√n 272.03054371535
4√n 66.982792952158
5√n 28.891534023442

Divisors of 20130428

1, 2, 4, 23, 46, 92, 218809, 437618, 875236, 5032607, 10065214, 20130428

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 -20130427
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 20130428 can be divided by 12 positive divisors. The sum of these divisors (counting 20130428) is 1, the average is 0.083333333333333.

Base conversion 20130428

Base System Value
2 Binary 1001100110010101001111100
3 Ternary 1101212201202102
4 Quaternary 1030302221330
5 Quinary 20123133203
6 Senary 1555244232
8 Octal 114625174
10 Decimal 20130428
12 Duodecimal 68a9678
16 Hexadecimal 1332a7c
20 Vigesimal 65g618
36 Base36 bzgqk

Cryptographic Hash Functions

md5 dab824c3e6ab9a00e35f2678dc7fffb1
sha1 f50d8fb456ff640d118234ea3c1932f7ee106659
sha256 02df6c792e2c0bd4fe472e38396041b42698f342b6fcad38e6f18785b5a7377d
sha512 c161ff9316085029415f4250cf14622d673c3da5d7d7b5630d4dd6710fd9b99f5bc1b0cc0a7072781e7be9021bb23672c923be0a2f57dda9798d5165844d4477
ripemd-160 356114f07291e6804158088a44dee6edd86b6a78

20130428 as geometric shapes

Circle

Radius = n
Diameter 40260856
Circumference 126483209.43684
Area 1.2730805703886E+15

Sphere

Radius = n
Volume 3.4170209013875E+22
Surface area 5.0923222815543E+15
Circumference 126483209.43684

Square

Length = n
Perimeter 80521712
Area 405234131463184
Diagonal 28468724.293975

Cube

Length = n
Surface area 2431404788779104
Volume 8.1575365065622E+21
Space diagonal 34866924.074107

Equilateral Triangle

Length = n
Perimeter 60391284
Area 1.7547152616382E+14
Altitude 17433462.037054

Triangular Pyramid

Length = n
Surface area 1.7547152616382E+14
Volume 9.6137489692782E+20
Height 9489574.7646584