21568688 is an even 8-digits composite number following 21568687
and preceding 21568689 . In scientific notation, it is written as 2.1568688 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 10761600 positive integers (up to 21568688) that are relatively prime to 21568688.
21568688 has 20 divisors, whose sum is 41877528
The reverse of 21568688 is 88686512
Previous prime number is 601
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million five hundred sixty-eight thousand six hundred eighty-eight
Scientific notation
2.1568688 × 10^7
Engineering notation
2.1568688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 601 × 2243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2696086
Product of the distinct prime numbers
The prime factorization of 21568688 is 2 × 2 × 2 × 2 × 601 × 2243.
Since it has a total of 6 prime factors.
1 , 5 , 73 , 17 , 301 , 5 , 5618 , 5376 , 5510 , 57147 , 303534 , 155439 , 4545326 , 5719519 , 5064574 , 37414261 , 600031549 , 182411563 , 5086699061 , 9865386850
n×2
43137376
n×3
64706064
n×4
86274752
n×5
107843440
n÷2
10784344
n÷3
7189562.6666667
n÷3
5392172
n÷5
4313737.6
n2
465208302041344
n3
1.003393272174E+22
n4
2.1641876428819E+29
n5
4.6678688042775E+36
2 √n
4644.2101588968
3 √n
278.36069324394
4 √n
68.148442087085
5 √n
29.293060303478
1 , 2 , 4 , 8 , 16 , 601 , 1202 , 2243 , 2404 , 4486 , 4808 , 8972 , 9616 , 17944 , 35888 , 1348043 , 2696086 , 5392172 , 10784344 , 21568688
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
-21568687
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 21568688 can be divided by 20 positive divisors.
The sum of these divisors (counting 21568688) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010010001110010110000
3
Ternary
1111120210200022
4
Quaternary
1102101302300
5
Quinary
21010144223
6
Senary
2050143012
8
Octal
122216260
10
Decimal
21568688
12
Duodecimal
7281a68
16
Hexadecimal
1491cb0
20
Vigesimal
6eg1e8
36
Base36
cuai8
md5
0e5cf8fe1c1a4aeea330bcfcb972b1b2
sha1
b0a7f9417a37cf0437bda14ef72dff59d2d200d2
sha256
c19f60259aa6d834bf14efe715ce22471188f58b1962390466206091f121d27f
sha512
7a5db90ac90d5abbb5466fb8b4924feba02f57fd8fdac75831a9917365c61b03f7c29a68d7beb604e442bfa4f87a9ba2101d339358c715bea8328f397808927d
ripemd-160
fda9576edaf5dabb1cd0e8115ae23334591a5f5e
Diameter
43137376
Circumference
135520063.53674
Area
1.4614949840821E+15
Volume
4.2030039100308E+22
Surface area
5.8459799363283E+15
Circumference
135520063.53674
Perimeter
86274752
Area
465208302041344
Diagonal
30502731.092194
Surface area
2791249812248064
Volume
1.003393272174E+22
Space diagonal
37358063.468601
Perimeter
64706064
Area
2.0144110380961E+14
Altitude
18679031.734301
Surface area
2.0144110380961E+14
Volume
1.1825103115853E+21
Height
10167577.030731