21569904 is an even 8-digits composite number following 21569903
and preceding 21569905 . In scientific notation, it is written as 2.1569904 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 7189920 positive integers (up to 21569904) that are relatively prime to 21569904.
21569904 has 20 divisors, whose sum is 46435520
The reverse of 21569904 is 40996512
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million five hundred sixty-nine thousand nine hundred four
Scientific notation
2.1569904 × 10^7
Engineering notation
2.1569904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 149791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2696238
Product of the distinct prime numbers
The prime factorization of 21569904 is 2 × 2 × 2 × 2 × 9 × 149791.
Since it has a total of 6 prime factors.
3 , 1 , 21 , 96 , 39 , 137 , 2991 , 2453 , 47583 , 12365 , 758140 , 252900 , 9041886 , 6987354 , 89713935 , 98721429 , 164853000 , 567936318 , 6555770974 , 7462587877
n×2
43139808
n×3
64709712
n×4
86279616
n×5
107849520
n÷2
10784952
n÷3
7189968
n÷3
5392476
n÷5
4313980.8
n2
465260758569216
n3
1.0035629897305E+22
n4
2.164675734644E+29
n5
4.6691847787401E+36
2 √n
4644.3410727465
3 √n
278.36592428754
4 √n
68.149402585397
5 √n
29.293390592998
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 149791 , 299582 , 599164 , 1198328 , 1348119 , 2396656 , 2696238 , 5392476 , 10784952 , 21569904
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
-21569903
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 21569904 can be divided by 20 positive divisors.
The sum of these divisors (counting 21569904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010010010000101110000
3
Ternary
1111120212100100
4
Quaternary
1102102011300
5
Quinary
21010214104
6
Senary
2050152400
8
Octal
122220560
10
Decimal
21569904
12
Duodecimal
7282700
16
Hexadecimal
1492170
20
Vigesimal
6eg4f4
36
Base36
cubg0
md5
fb97a1182f3037e6974e42f48847d697
sha1
2d9f5f25876c9668827a5eb7e41317d61867cb1e
sha256
713aee0f64196ace0b5b3c49261613a6ff12adf93d462341380527b8c5a295be
sha512
992f411c5799ec2acfc8df3aec2632211094d905338a833327137c6c6004a932911fc9a188b69c4a516abe54428e0836d6c382377eaeee0261c8f496264ead35
ripemd-160
72285092b5edfdf09e14e9c43d4679faf5e9893a
Diameter
43139808
Circumference
135527703.89007
Area
1.4616597811247E+15
Volume
4.2037148212693E+22
Surface area
5.8466391244987E+15
Circumference
135527703.89007
Perimeter
86279616
Area
465260758569216
Diagonal
30504450.775886
Surface area
2791564551415296
Volume
1.0035629897305E+22
Space diagonal
37360169.642383
Perimeter
64709712
Area
2.0146381815248E+14
Altitude
18680084.821192
Surface area
2.0146381815248E+14
Volume
1.1827103256438E+21
Height
10168150.258629