20803806 is an even 8-digits composite number following 20803805
and preceding 20803807 . In scientific notation, it is written as 2.0803806 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6820560 positive integers (up to 20803806) that are relatively prime to 20803806.
20803806 has 16 divisors, whose sum is 35243280
The reverse of 20803806 is 60830802
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred three thousand eight hundred six
Scientific notation
2.0803806 × 10^7
Engineering notation
2.0803806 × 10^6
Prime Factorization
2 × 9 × 61 × 18947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20803806
Product of the distinct prime numbers
The prime factorization of 20803806 is 2 × 9 × 61 × 18947.
Since it has a total of 4 prime factors.
7 , 1 , 88 , 62 , 518 , 774 , 6890 , 719 , 69334 , 43384 , 216406 , 106542 , 5136529 , 7179121 , 88477060 , 97935552 , 561440358 , 67761986 , 8086852281 , 1013713527
n×2
41607612
n×3
62411418
n×4
83215224
n×5
104019030
n÷2
10401903
n÷3
6934602
n÷3
5200951.5
n÷5
4160761.2
n2
432798344085636
n3
9.0038527874788E+21
n4
1.8731440664327E+29
n5
3.8968525768117E+36
2 √n
4561.1189416633
3 √n
275.03054646909
4 √n
67.53605660433
5 √n
29.082287205045
1 , 2 , 9 , 18 , 61 , 122 , 549 , 1098 , 18947 , 37894 , 170523 , 341046 , 1155767 , 2311534 , 10401903 , 20803806
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
-20803805
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 20803806 can be divided by 16 positive divisors.
The sum of these divisors (counting 20803806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111000011011110
3
Ternary
1110010221110100
4
Quaternary
1033113003132
5
Quinary
20311210211
6
Senary
2021521530
8
Octal
117270336
10
Decimal
20803806
12
Duodecimal
6b732a6
16
Hexadecimal
13d70de
20
Vigesimal
6a09a6
36
Base36
cdwbi
md5
19b1d737e3c12eec62b4e9bbf42543bd
sha1
3a0140434c6de31fcb074865f04bdcb95c30ebc8
sha256
9b26201dcb83a2b2282ff635b05b5aabedb00c60cd131d0dd450394ad3ba9769
sha512
e3a5f75bd07875377a245685798a08d60ffc0f1185e97b2877cb071c0d1457f20e4199cc68e4b721c43b6fab4374922269c2c82773bee34b58142d3edc426ec0
ripemd-160
885593e168cbbcc13722d6cac458aaea89fe7717
Diameter
41607612
Circumference
130714168.19261
Area
1.3596760982653E+15
Volume
3.771525036153E+22
Surface area
5.438704393061E+15
Circumference
130714168.19261
Perimeter
83215224
Area
432798344085636
Diagonal
29421024.594179
Surface area
2596790064513816
Volume
9.0038527874788E+21
Space diagonal
36033248.982806
Perimeter
62411418
Area
1.87407180347E+14
Altitude
18016624.491403
Surface area
1.87407180347E+14
Volume
1.0611142271386E+21
Height
9807008.1980596