20806072 is an even 8-digits composite number following 20806071
and preceding 20806073 . In scientific notation, it is written as 2.0806072 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 8802144 positive integers (up to 20806072) that are relatively prime to 20806072.
20806072 has 32 divisors, whose sum is 45158400
The reverse of 20806072 is 27060802
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred six thousand seventy-two
Scientific notation
2.0806072 × 10^7
Engineering notation
2.0806072 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 79 × 4703
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5201518
Product of the distinct prime numbers
The prime factorization of 20806072 is 2 × 2 × 2 × 7 × 79 × 4703.
Since it has a total of 6 prime factors.
5 , 7 , 59 , 64 , 993 , 215 , 649 , 8611 , 34630 , 98744 , 841178 , 5177 , 5180784 , 4806952 , 89878483 , 57835302 , 132808496 , 487240894 , 7475293835 , 2425164285
n×2
41612144
n×3
62418216
n×4
83224288
n×5
104030360
n÷2
10403036
n÷3
6935357.3333333
n÷3
5201518
n÷5
4161214.4
n2
432892632069184
n3
9.006795271101E+21
n4
1.8739603089979E+29
n5
3.8989753114152E+36
2 √n
4561.3673388579
3 √n
275.04053176685
4 √n
67.537895576172
5 √n
29.082920719814
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 79 , 158 , 316 , 553 , 632 , 1106 , 2212 , 4424 , 4703 , 9406 , 18812 , 32921 , 37624 , 65842 , 131684 , 263368 , 371537 , 743074 , 1486148 , 2600759 , 2972296 , 5201518 , 10403036 , 20806072
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20806071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20806072 can be divided by 32 positive divisors.
The sum of these divisors (counting 20806072) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010111100110111000
3
Ternary
1110011001120021
4
Quaternary
1033113212320
5
Quinary
20311243242
6
Senary
2021540224
8
Octal
117274670
10
Decimal
20806072
12
Duodecimal
6b74674
16
Hexadecimal
13d79b8
20
Vigesimal
6a0f3c
36
Base36
cdy2g
md5
dad6200b625d18085e58d17763d05024
sha1
3dc92ae8bb1e3117f089bf2a2c4ebd21243de8ee
sha256
2112ec29d8502f77a2c9478a6cdc6a92429b2a30509c43133ae7d8ed761ecf70
sha512
fa1e10f54a1c8397c14b105106c42a97d678833f452e7da7ff9c954c4efbd3036cf47f8dc68a6d319f5ffd36cf7547c5b70e40a1ce370b9b1d35465e27b503e3
ripemd-160
9d9f73d75c53500811a8c9d49bb3bd01c098c05f
Diameter
41612144
Circumference
130728405.89052
Area
1.3599723127017E+15
Volume
3.7727575808104E+22
Surface area
5.4398892508068E+15
Circumference
130728405.89052
Perimeter
83224288
Area
432892632069184
Diagonal
29424229.202111
Surface area
2597355792415104
Volume
9.006795271101E+21
Space diagonal
36037173.809936
Perimeter
62418216
Area
1.8744800824151E+14
Altitude
18018586.904968
Surface area
1.8744800824151E+14
Volume
1.0614610021591E+21
Height
9808076.4007037