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.
21509328 has 20 divisors, whose sum is 55565888
The reverse of 21509328 is 82390512
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred nine thousand three hundred twenty-eight
Scientific notation
2.1509328 × 10^7
Engineering notation
2.1509328 × 10^6
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.
9 , 8 , 55 , 65 , 968 , 779 , 9625 , 7670 , 57069 , 13419 , 385055 , 443003 , 5174955 , 6452469 , 57751595 , 7707170 , 252950648 , 679917845 , 6056933242 , 2078101778
n×2
43018656
n×3
64527984
n×4
86037312
n×5
107546640
n÷2
10754664
n÷3
7169776
n÷3
5377332
n÷5
4301865.6
n2
462651191011584
n3
9.9513162170588E+21
n4
2.1404612454444E+29
n5
4.6039882999552E+36
2 √n
4637.8150027788
3 √n
278.105096299
4 √n
68.10150514327
5 √n
29.276918816957
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 448111 , 896222 , 1344333 , 1792444 , 2688666 , 3584888 , 5377332 , 7169776 , 10754664 , 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
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
md5
cb6aa8f821f4ba730c81765d4d402eb4
sha1
03f17d2f02636334979d0fb052a37e682d47381e
sha256
60cadb268103abaf6551aa49cd629adf50b2f72b08c871623f32760d52905a08
sha512
8df8ac9603c6359c2aad7df66e1c7970934170061f8b1903ac1371055a02f28e6bc68faa379be20f4360992fdec8331b21bbb22dcb0e9df9eb3c46a29bf51f76
ripemd-160
e47d932d9a58897bf1e32278aef0f000734ca30c
Diameter
43018656
Circumference
135147093.65691
Area
1.4534615828566E+15
Volume
4.1683975894748E+22
Surface area
5.8138463314262E+15
Circumference
135147093.65691
Perimeter
86037312
Area
462651191011584
Diagonal
30418783.375131
Surface area
2775907146069504
Volume
9.9513162170588E+21
Space diagonal
37255248.932664
Perimeter
64527984
Area
2.0033384225358E+14
Altitude
18627624.466332
Surface area
2.0033384225358E+14
Volume
1.1727738631357E+21
Height
10139594.458377