20123820 is an even 8-digits composite number following 20123819
and preceding 20123821 . In scientific notation, it is written as 2.0123820 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5366304 positive integers (up to 20123820) that are relatively prime to 20123820.
20123820 has 24 divisors, whose sum is 46956000
The reverse of 20123820 is 02832102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-three thousand eight hundred twenty
Scientific notation
2.0123820 × 10^7
Engineering notation
2.0123820 × 10^6
Prime Factorization
2 × 2 × 9 × 5 × 111799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10061910
Product of the distinct prime numbers
The prime factorization of 20123820 is 2 × 2 × 9 × 5 × 111799.
Since it has a total of 5 prime factors.
7 , 8 , 91 , 31 , 71 , 28 , 9286 , 3257 , 65303 , 54875 , 570010 , 672775 , 82810 , 7640433 , 14484529 , 5370621 , 181142137 , 400754912 , 9675387 , 8098467425
n×2
40247640
n×3
60371460
n×4
80495280
n×5
100619100
n÷2
10061910
n÷3
6707940
n÷3
5030955
n÷5
4024764
n2
404968131392400
n3
8.149505781877E+21
n4
1.6399918744345E+29
n5
3.3002901282583E+36
2 √n
4485.9580916455
3 √n
272.00077494012
4 √n
66.977295344359
5 √n
28.88963699145
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 111799 , 223598 , 447196 , 558995 , 1006191 , 1117990 , 2012382 , 2235980 , 4024764 , 5030955 , 10061910 , 20123820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20123820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110001000010101100
3
Ternary
1101212101200200
4
Quaternary
1030301002230
5
Quinary
20122430240
6
Senary
1555153500
8
Octal
114610254
10
Decimal
20123820
12
Duodecimal
68a5890
16
Hexadecimal
13310ac
20
Vigesimal
65f9b0
36
Base36
bzbn0
md5
64cab996f4393250f6b45bdecf582ba7
sha1
848a10960591c029a9ba9276a63b83428163904b
sha256
bea7be063a9816b125c203580064967424f06cf8b7f97fc77024ad5810cb3584
sha512
aac3e6f77ec3057894cc3c6ffe2a82db6043e2e6de59bba6e9b82850886fe1f0f04f300f5b8aca7126a1421fb29edf1615ef10a0f9424e86503e69ce14e5b2da
ripemd-160
77a12ead31b50dc041415ddcf41db55586234508
Diameter
40247640
Circumference
126441690.14833
Area
1.2722449065204E+15
Volume
3.4136569992976E+22
Surface area
5.0889796260814E+15
Circumference
126441690.14833
Perimeter
80495280
Area
404968131392400
Diagonal
28459379.170755
Surface area
2429808788354400
Volume
8.149505781877E+21
Space diagonal
34855478.682371
Perimeter
60371460
Area
1.7535634475447E+14
Altitude
17427739.341185
Surface area
1.7535634475447E+14
Volume
9.6042846694737E+20
Height
9486459.723585