20808212 is an even 8-digits composite number following 20808211
and preceding 20808213 . In scientific notation, it is written as 2.0808212 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10261440 positive integers (up to 20808212) that are relatively prime to 20808212.
20808212 has 12 divisors, whose sum is 36913716
The reverse of 20808212 is 21280802
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eight hundred eight thousand two hundred twelve
Scientific notation
2.0808212 × 10^7
Engineering notation
2.0808212 × 10^6
Prime Factorization
2 × 2 × 73 × 71261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10404106
Product of the distinct prime numbers
The prime factorization of 20808212 is 2 × 2 × 73 × 71261.
Since it has a total of 4 prime factors.
5 , 7 , 63 , 3 , 951 , 440 , 3976 , 1755 , 99494 , 94302 , 746767 , 701617 , 5106155 , 2752457 , 98357280 , 69119124 , 884602286 , 241621336 , 1580541183 , 140888235
n×2
41616424
n×3
62424636
n×4
83232848
n×5
104041060
n÷2
10404106
n÷3
6936070.6666667
n÷3
5202053
n÷5
4161642.4
n2
432981686636944
n3
9.0095747276591E+21
n4
1.8747314096297E+29
n5
3.9009808614634E+36
2 √n
4561.6019116096
3 √n
275.04996117059
4 √n
67.539632154829
5 √n
29.083518957578
1 , 2 , 4 , 73 , 146 , 292 , 71261 , 142522 , 285044 , 5202053 , 10404106 , 20808212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808212 can be divided by 12 positive divisors.
The sum of these divisors (counting 20808212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011000001000010100
3
Ternary
1110011011111112
4
Quaternary
1033120020110
5
Quinary
20311330322
6
Senary
2021554152
8
Octal
117301024
10
Decimal
20808212
12
Duodecimal
6b75958
16
Hexadecimal
13d8214
20
Vigesimal
6a10ac
36
Base36
cdzpw
md5
4d4ad8596081a4772eb0229c9fab643f
sha1
2ec9035c8c14615303a1e965a38d49cd58b91eef
sha256
72368c645516d05eb2e4cd497ab8446edab0af95d5fb0810e18da55c35bdf37e
sha512
ca54b2a8f2886fb995bbe7680fcd65736004e1945f2d9b271db832cceab7c3e9d5ddc9f164246ef93a99119a792b134538f9c53d1a6cb718f6cef8afa1896aa8
ripemd-160
43a0f55fa9ec360be0a35005691c4cb95761cca6
Diameter
41616424
Circumference
130741851.90708
Area
1.3602520858775E+15
Volume
3.7739218368509E+22
Surface area
5.4410083435102E+15
Circumference
130741851.90708
Perimeter
83232848
Area
432981686636944
Diagonal
29427255.619135
Surface area
2597890119821664
Volume
9.0095747276591E+21
Space diagonal
36040880.398664
Perimeter
62424636
Area
1.8748657000051E+14
Altitude
18020440.199332
Surface area
1.8748657000051E+14
Volume
1.0617885642558E+21
Height
9809085.2063782