21569969 is an odd 8-digits composite number following 21569968
and preceding 21569970 . In scientific notation, it is written as 2.1569969 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 21547044 positive integers (up to 21569969) that are relatively prime to 21569969.
21569969 has 4 divisors, whose sum is 21592896
The reverse of 21569969 is 96996512
Previous prime number is 983
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million five hundred sixty-nine thousand nine hundred sixty-nine
Scientific notation
2.1569969 × 10^7
Engineering notation
2.1569969 × 10^6
Prime Factorization
983 × 21943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21569969
Product of the distinct prime numbers
The prime factorization of 21569969 is 983 × 21943.
Since it has a total of 2 prime factors.
6 , 2 , 78 , 47 , 211 , 202 , 2310 , 6765 , 79350 , 21867 , 64757 , 147438 , 3828778 , 6326676 , 40797666 , 68233882 , 33137409 , 794178017 , 7788606731 , 9016723052
n×2
43139938
n×3
64709907
n×4
86279876
n×5
107849845
n÷2
10784984.5
n÷3
7189989.6666667
n÷3
5392492.25
n÷5
4313993.8
n2
465263562660961
n3
1.0035720623426E+22
n4
2.1647018273997E+29
n5
4.6692551311255E+36
2 √n
4644.3480705046
3 √n
278.36620390194
4 √n
68.14945392668
5 √n
29.293408247857
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21569968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21569969 can be divided by 4 positive divisors.
The sum of these divisors (counting 21569969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010010010000110110001
3
Ternary
1111120212102202
4
Quaternary
1102102012301
5
Quinary
21010214334
6
Senary
2050152545
8
Octal
122220661
10
Decimal
21569969
12
Duodecimal
7282755
16
Hexadecimal
14921b1
20
Vigesimal
6eg4i9
36
Base36
cubht
md5
3aa98f9e6fafb7e06703f4cfdc5f19ae
sha1
8b15514c0f56511c3446504c00b2e7f83373b9d0
sha256
62713a3bd178084a147ff77abe3f284e89814688c3b909a6f546431e859b495d
sha512
50b13bdf34a934df053d7a383093550dad11bbc1a6151b18245820c9a57ed8f833190b6c69dae440e7f3d34632ec7ff0bce166f9f74bbb7382c3dd84a92946fa
ripemd-160
464f1a6a3fb15165d0d82493e2ee5e46689b59d8
Diameter
43139938
Circumference
135528112.29712
Area
1.4616685904387E+15
Volume
4.2037528245382E+22
Surface area
5.8466743617548E+15
Circumference
135528112.29712
Perimeter
86279876
Area
465263562660961
Diagonal
30504542.699767
Surface area
2791581375965766
Volume
1.0035720623426E+22
Space diagonal
37360282.225686
Perimeter
64709907
Area
2.0146503235982E+14
Altitude
18680141.112843
Surface area
2.0146503235982E+14
Volume
1.1827210178198E+21
Height
10168180.899922