21459428 (number)

21459428 is an even 8-digits composite number following 21459427 and preceding 21459429. In scientific notation, it is written as 2.1459428 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10716960 positive integers (up to 21459428) that are relatively prime to 21459428.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-nine thousand four hundred twenty-eight

Notation

Scientific notation 2.1459428 × 10^7
Engineering notation 2.1459428 × 10^6

Prime Factorization of 21459428

Prime Factorization 2 × 2 × 997 × 5381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10729714
Product of the distinct prime numbers

The prime factorization of 21459428 is 2 × 2 × 997 × 5381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 53, 35, 123, 482, 5699, 284, 54222, 52477, 831352, 618954, 1958701, 693791, 67034935, 50872230, 43335492, 74078744, 7329308149, 1124715882

Basic calculations (n = 21459428)

Multiplication

n×y
n×2 42918856
n×3 64378284
n×4 85837712
n×5 107297140

Division

n÷y
n÷2 10729714
n÷3 7153142.6666667
n÷3 5364857
n÷5 4291885.6

Exponentiation

ny
n2 460507050087184
n3 9.8822178848383E+21
n4 2.1206674318E+29
n5 4.5508310064657E+36

Nth Root

y√n
2√n 4632.4321905453
3√n 277.88986890718
4√n 68.061973160828
5√n 29.263322150184

Divisors of 21459428

1, 2, 4, 997, 1994, 3988, 5381, 10762, 21524, 5364857, 10729714, 21459428

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 -21459427
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 21459428 can be divided by 12 positive divisors. The sum of these divisors (counting 21459428) is 1, the average is 0.083333333333333.

Base conversion 21459428

Base System Value
2 Binary 1010001110111000111100100
3 Ternary 1111101020210122
4 Quaternary 1101313013210
5 Quinary 20443200203
6 Senary 2043541112
8 Octal 121670744
10 Decimal 21459428
12 Duodecimal 722a798
16 Hexadecimal 14771e4
20 Vigesimal 6e28b8
36 Base36 cry78

Cryptographic Hash Functions

md5 3fa83e4c572971a5a9ea7ad656bff502
sha1 b54b7209d40a424c7f85800d52fd7dde583e821c
sha256 51d2955178f233366cd185c96de7f5d4aea9bf3fdca8215978be5441059a557d
sha512 3c1ef2b2ce1652dadb4b0d2534b0e7bb27a630a9015ff73e13e722c1d7a2e8b1eaf8fe20db28650dff3f99b9f69f3aebf5b014f501c807f36416e142d648fc4d
ripemd-160 935c1bae079c13d26a5de184cae83c0d7be9bbb9

21459428 as geometric shapes

Circle

Radius = n
Diameter 42918856
Circumference 134833562.71008
Area 1.4467255654802E+15

Sphere

Radius = n
Volume 4.1394537477576E+22
Surface area 5.7869022619208E+15
Circumference 134833562.71008

Square

Length = n
Perimeter 85837712
Area 460507050087184
Diagonal 30348214.118369

Cube

Length = n
Surface area 2763042300523104
Volume 9.8822178848383E+21
Space diagonal 37168819.597366

Equilateral Triangle

Length = n
Perimeter 64378284
Area 1.9940540199867E+14
Altitude 18584409.798683

Triangular Pyramid

Length = n
Surface area 1.9940540199867E+14
Volume 1.1646305465887E+21
Height 10116071.37279