20996865 is an odd 8-digits composite number following 20996864
and preceding 20996866 . In scientific notation, it is written as 2.0996865 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 11162880 positive integers (up to 20996865) that are relatively prime to 20996865.
20996865 has 16 divisors, whose sum is 28084560
The reverse of 20996865 is 56869902
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred ninety-six thousand eight hundred sixty-five
Scientific notation
2.0996865 × 10^7
Engineering notation
2.0996865 × 10^6
Prime Factorization
9 × 5 × 457 × 1021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20996865
Product of the distinct prime numbers
The prime factorization of 20996865 is 9 × 5 × 457 × 1021.
Since it has a total of 4 prime factors.
4 , 3 , 83 , 58 , 395 , 434 , 852 , 3425 , 16340 , 94452 , 88934 , 11963 , 1703275 , 6595267 , 24207242 , 64234710 , 919468100 , 60602177 , 9134626619 , 8010581738
n×2
41993730
n×3
62990595
n×4
83987460
n×5
104984325
n÷2
10498432.5
n÷3
6998955
n÷3
5249216.25
n÷5
4199373
n2
440868339828225
n3
9.2568530141474E+21
n4
1.943648930629E+29
n5
4.081053420381E+36
2 √n
4582.2336256459
3 √n
275.87868802267
4 √n
67.692197671858
5 √n
29.136064588191
1 , 5 , 9 , 45 , 457 , 1021 , 2285 , 4113 , 5105 , 9189 , 20565 , 45945 , 466597 , 2332985 , 4199373 , 20996865
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
-20996864
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 20996865 can be divided by 16 positive divisors.
The sum of these divisors (counting 20996865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000110001100000001
3
Ternary
1110111202021200
4
Quaternary
1100012030001
5
Quinary
20333344430
6
Senary
2030011413
8
Octal
120061401
10
Decimal
20996865
12
Duodecimal
7046b69
16
Hexadecimal
1406301
20
Vigesimal
6b4c35
36
Base36
ci1a9
md5
5784b24a2c953127e88e6bc7c60bb2e2
sha1
bb6669186da98a4f4faf44a6db7e5c5e13bf054f
sha256
9a578b1896a3bcbcdb590ef665b8906dfa3af3baa36be63d18a3d787c7d31294
sha512
43b7173630116b01572422791fd15dcab62893bcd3a7df5d16777debd78ea85cfa79ee04f9d203af6b25115f1f36f77d7f3e70185cbf6aaf0c2efde19b691bb0
ripemd-160
642398bf3c2e28e85197b6fa0f4fda203b39e502
Diameter
41993730
Circumference
131927193.66483
Area
1.3850287376047E+15
Volume
3.8775015232808E+22
Surface area
5.5401149504187E+15
Circumference
131927193.66483
Perimeter
83987460
Area
440868339828225
Diagonal
29694051.250317
Surface area
2645210038969350
Volume
9.2568530141474E+21
Space diagonal
36367636.979665
Perimeter
62990595
Area
1.9090159100776E+14
Altitude
18183818.489832
Surface area
1.9090159100776E+14
Volume
1.0909305897918E+21
Height
9898017.083439