20809916 is an even 8-digits composite number following 20809915
and preceding 20809917 . In scientific notation, it is written as 2.0809916 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 10404956 positive integers (up to 20809916) that are relatively prime to 20809916.
20809916 has 6 divisors, whose sum is 36417360
The reverse of 20809916 is 61990802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million eight hundred nine thousand nine hundred sixteen
Scientific notation
2.0809916 × 10^7
Engineering notation
2.0809916 × 10^6
Prime Factorization
2 × 2 × 5202479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10404958
Product of the distinct prime numbers
The prime factorization of 20809916 is 2 × 2 × 5202479.
Since it has a total of 3 prime factors.
3 , 4 , 35 , 55 , 751 , 506 , 73 , 8436 , 3223 , 70429 , 620498 , 208642 , 8173302 , 8908724 , 57087822 , 14791035 , 944027393 , 360218863 , 498561242 , 9126504458
n×2
41619832
n×3
62429748
n×4
83239664
n×5
104049580
n÷2
10404958
n÷3
6936638.6666667
n÷3
5202479
n÷5
4161983.2
n2
433052603927056
n3
9.0117883113033E+21
n4
1.87534557768E+29
n5
3.9025783942493E+36
2 √n
4561.7886842773
3 √n
275.05746898114
4 √n
67.541014830081
5 √n
29.083995276187
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809916 can be divided by 6 positive divisors.
The sum of these divisors (counting 20809916) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111011000100010111100
3
Ternary
1110011020211122
4
Quaternary
1033120202330
5
Quinary
20311404131
6
Senary
2022010112
8
Octal
117304274
10
Decimal
20809916
12
Duodecimal
6b76938
16
Hexadecimal
13d88bc
20
Vigesimal
6a14fg
36
Base36
ce118
md5
41bf6e0520ba0076ecf688ca8d1d68ed
sha1
d6b3e5d7c25f631e931c22ee09a03056c975655b
sha256
7c2bb034c998d3d58d8c71839d886f69e100fa4e017d797da81ff1df2c32346c
sha512
c8e832e867ecce30044f6dd927a5979bb1a4da4342c90a9f8611d29faa645c9639c722eacce93b79e423d590d73226dafa063e434955fbfb33f795b196548e79
ripemd-160
c6cc673f585800c4b00ec0e47014b4dfff7cb198
Diameter
41619832
Circumference
130752558.45484
Area
1.3604748791152E+15
Volume
3.7748490605996E+22
Surface area
5.4418995164607E+15
Circumference
130752558.45484
Perimeter
83239664
Area
433052603927056
Diagonal
29429665.439045
Surface area
2598315623562336
Volume
9.0117883113033E+21
Space diagonal
36043831.81324
Perimeter
62429748
Area
1.8751727808792E+14
Altitude
18021915.90662
Surface area
1.8751727808792E+14
Volume
1.06204943759E+21
Height
9809888.4796816