20996813 is an odd 8-digits composite number following 20996812
and preceding 20996814 . In scientific notation, it is written as 2.0996813 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20982240 positive integers (up to 20996813) that are relatively prime to 20996813.
20996813 has 4 divisors, whose sum is 21011388
The reverse of 20996813 is 31869902
Previous prime number is 12953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-six thousand eight hundred thirteen
Scientific notation
2.0996813 × 10^7
Engineering notation
2.0996813 × 10^6
Prime Factorization
12953 × 1621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20996813
Product of the distinct prime numbers
The prime factorization of 20996813 is 12953 × 1621.
Since it has a total of 2 prime factors.
10 , 10 , 28 , 8 , 650 , 735 , 9111 , 3519 , 27845 , 38633 , 257671 , 517726 , 7269233 , 9695837 , 29150382 , 69299663 , 788738997 , 575192359 , 7840311408 , 4864993360
n×2
41993626
n×3
62990439
n×4
83987252
n×5
104984065
n÷2
10498406.5
n÷3
6998937.6666667
n÷3
5249203.25
n÷5
4199362.6
n2
440866156156969
n3
9.2567842388567E+21
n4
1.9436296764462E+29
n5
4.0810028857592E+36
2 √n
4582.2279515537
3 √n
275.87846027909
4 √n
67.692155760869
5 √n
29.136050156733
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
-20996812
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 20996813 can be divided by 4 positive divisors.
The sum of these divisors (counting 20996813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110001011001101
3
Ternary
1110111202012202
4
Quaternary
1100012023031
5
Quinary
20333344223
6
Senary
2030011245
8
Octal
120061315
10
Decimal
20996813
12
Duodecimal
7046b25
16
Hexadecimal
14062cd
20
Vigesimal
6b4c0d
36
Base36
ci18t
md5
636d13ce74e4a0ccfe0de5ad2d4929ae
sha1
a747d5033cbd6e32952b1accbf12d93d06bf5513
sha256
aee4403cda1806be35733b19a1636838f30d7e445183dbad72d939bc7984bd16
sha512
3d89c8acf7a2d23cfa4fcb806e8ef7f60825263dfecf3e4db9bf7bf97ea726067599fbcd9ddb147e823219079c7b3847bf5d4adb9badba4fb48c0c7a0593183f
ripemd-160
521dd8f8bd1c69009ee9c5c93d839c679bb4667e
Diameter
41993626
Circumference
131926866.9392
Area
1.3850218773991E+15
Volume
3.8774727147544E+22
Surface area
5.5400875095964E+15
Circumference
131926866.9392
Perimeter
83987252
Area
440866156156969
Diagonal
29693977.711212
Surface area
2645196936941814
Volume
9.2567842388567E+21
Space diagonal
36367546.913023
Perimeter
62990439
Area
1.9090064545037E+14
Altitude
18183773.456511
Surface area
1.9090064545037E+14
Volume
1.0909224845461E+21
Height
9897992.5704039