21789568 is an even 8-digits composite number following 21789567
and preceding 21789569 . In scientific notation, it is written as 2.1789568 × 10^7.
The sum of its digits is 46. It has a total of 8 prime factors and 16 positive divisors.
There are 10894720 positive integers (up to 21789568) that are relatively prime to 21789568.
21789568 has 16 divisors, whose sum is 43409160
The reverse of 21789568 is 86598712
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million seven hundred eighty-nine thousand five hundred sixty-eight
Scientific notation
2.1789568 × 10^7
Engineering notation
2.1789568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 170231
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
340462
Product of the distinct prime numbers
The prime factorization of 21789568 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 170231.
Since it has a total of 8 prime factors.
9 , 10 , 74 , 48 , 42 , 985 , 2875 , 3189 , 62072 , 32125 , 469185 , 811738 , 9162754 , 9276835 , 37130196 , 3361338 , 356421810 , 923773678 , 4820654225 , 401568509
n×2
43579136
n×3
65368704
n×4
87158272
n×5
108947840
n÷2
10894784
n÷3
7263189.3333333
n÷3
5447392
n÷5
4357913.6
n2
474785273626624
n3
1.0345366005086E+22
n4
2.2542105605271E+29
n5
4.9118274294923E+36
2 √n
4667.9297338328
3 √n
279.30767734218
4 √n
68.322249185992
5 √n
29.352812743777
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 170231 , 340462 , 680924 , 1361848 , 2723696 , 5447392 , 10894784 , 21789568
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21789567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21789568 can be divided by 16 positive divisors.
The sum of these divisors (counting 21789568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011000111101110000000
3
Ternary
1112000000200001
4
Quaternary
1103013232000
5
Quinary
21034231233
6
Senary
2055005344
8
Octal
123075600
10
Decimal
21789568
12
Duodecimal
7369854
16
Hexadecimal
14c7b80
20
Vigesimal
6g3di8
36
Base36
cz0xs
md5
09e381b06e1f71f98f55bae1af735a2c
sha1
66fa576d716b47e5db3b711378364cfe69c6ce7f
sha256
1e9ef9e9fd942f655df47c4d4b3006b0682647ec4f120cb107ec33abe5996c19
sha512
5d37e291126ab30003d11d62ac4023accdbc07e21275bfcad60c789b4cf145a1e6c37ea487a343ac818fee334528b6bdbcdb61b463ae822bb5a36bafc169b1a8
ripemd-160
ce0acfa0e453336b4e9caf3960a9ae9da847f9c9
Diameter
43579136
Circumference
136907893.50739
Area
1.491581927658E+15
Volume
4.3334567787034E+22
Surface area
5.9663277106321E+15
Circumference
136907893.50739
Perimeter
87158272
Area
474785273626624
Diagonal
30815102.583851
Surface area
2848711641759744
Volume
1.0345366005086E+22
Space diagonal
37740638.850977
Perimeter
65368704
Area
2.055880541517E+14
Altitude
18870319.425488
Surface area
2.055880541517E+14
Volume
1.2192130760088E+21
Height
10271700.861284