21509328 (number)

21509328 is an even 8-digits composite number following 21509327 and preceding 21509329. In scientific notation, it is written as 2.1509328 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 7169760 positive integers (up to 21509328) that are relatively prime to 21509328.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred nine thousand three hundred twenty-eight

Notation

Scientific notation 2.1509328 × 10^7
Engineering notation 2.1509328 × 10^6

Prime Factorization of 21509328

Prime Factorization 2 × 2 × 2 × 2 × 3 × 448111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2688666
Product of the distinct prime numbers

The prime factorization of 21509328 is 2 × 2 × 2 × 2 × 3 × 448111. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21509328)

Multiplication

n×y
n×2 43018656
n×3 64527984
n×4 86037312
n×5 107546640

Division

n÷y
n÷2 10754664
n÷3 7169776
n÷3 5377332
n÷5 4301865.6

Exponentiation

ny
n2 462651191011584
n3 9.9513162170588E+21
n4 2.1404612454444E+29
n5 4.6039882999552E+36

Nth Root

y√n
2√n 4637.8150027788
3√n 278.105096299
4√n 68.10150514327
5√n 29.276918816957

Divisors of 21509328

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21509327
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21509328 can be divided by 20 positive divisors. The sum of these divisors (counting 21509328) is 1, the average is 0.05.

Base conversion 21509328

Base System Value
2 Binary 1010010000011010011010000
3 Ternary 1111110210020210
4 Quaternary 1102003103100
5 Quinary 21001244303
6 Senary 2045004120
8 Octal 122032320
10 Decimal 21509328
12 Duodecimal 7253640
16 Hexadecimal 14834d0
20 Vigesimal 6e8d68
36 Base36 ct0pc

Cryptographic Hash Functions

md5 cb6aa8f821f4ba730c81765d4d402eb4
sha1 03f17d2f02636334979d0fb052a37e682d47381e
sha256 60cadb268103abaf6551aa49cd629adf50b2f72b08c871623f32760d52905a08
sha512 8df8ac9603c6359c2aad7df66e1c7970934170061f8b1903ac1371055a02f28e6bc68faa379be20f4360992fdec8331b21bbb22dcb0e9df9eb3c46a29bf51f76
ripemd-160 e47d932d9a58897bf1e32278aef0f000734ca30c

21509328 as geometric shapes

Circle

Radius = n
Diameter 43018656
Circumference 135147093.65691
Area 1.4534615828566E+15

Sphere

Radius = n
Volume 4.1683975894748E+22
Surface area 5.8138463314262E+15
Circumference 135147093.65691

Square

Length = n
Perimeter 86037312
Area 462651191011584
Diagonal 30418783.375131

Cube

Length = n
Surface area 2775907146069504
Volume 9.9513162170588E+21
Space diagonal 37255248.932664

Equilateral Triangle

Length = n
Perimeter 64527984
Area 2.0033384225358E+14
Altitude 18627624.466332

Triangular Pyramid

Length = n
Surface area 2.0033384225358E+14
Volume 1.1727738631357E+21
Height 10139594.458377