20198912 is an even 8-digits composite number following 20198911
and preceding 20198913 . In scientific notation, it is written as 2.0198912 × 10^7.
The sum of its digits is 32. It has a total of 10 prime factors and 20 positive divisors.
There are 10099200 positive integers (up to 20198912) that are relatively prime to 20198912.
20198912 has 20 divisors, whose sum is 40359396
The reverse of 20198912 is 21989102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred ninety-eight thousand nine hundred twelve
Scientific notation
2.0198912 × 10^7
Engineering notation
2.0198912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 39451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
78902
Product of the distinct prime numbers
The prime factorization of 20198912 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 39451.
Since it has a total of 10 prime factors.
1 , 6 , 82 , 22 , 707 , 343 , 9073 , 7361 , 41756 , 98748 , 599118 , 166378 , 8693586 , 2425775 , 53869095 , 54308846 , 417325240 , 522771646 , 1570086552 , 5263829490
n×2
40397824
n×3
60596736
n×4
80795648
n×5
100994560
n÷2
10099456
n÷3
6732970.6666667
n÷3
5049728
n÷5
4039782.4
n2
407996045983744
n3
8.2410762291736E+21
n4
1.6646077353837E+29
n5
3.3623265161535E+36
2 √n
4494.3199708076
3 √n
272.3386784684
4 √n
67.039689519027
5 √n
28.911165208614
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 39451 , 78902 , 157804 , 315608 , 631216 , 1262432 , 2524864 , 5049728 , 10099456 , 20198912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20198911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20198912 can be divided by 20 positive divisors.
The sum of these divisors (counting 20198912) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000011011000000000
3
Ternary
1102000012200212
4
Quaternary
1031003120000
5
Quinary
20132331122
6
Senary
2000533252
8
Octal
115033000
10
Decimal
20198912
12
Duodecimal
6921228
16
Hexadecimal
1343600
20
Vigesimal
664h5c
36
Base36
c0xkw
md5
c141ed022fd7e5c01f1357dd6b57a45e
sha1
391da77d0522289f0b610d64856a5ed48bc0151c
sha256
ed1abe7a7d01600c216015b3129fe6174870762c959b6c41acfd372cfac88bc6
sha512
4137f74b9e1964c473360ca96603946eb00a3134df357797b2a5e0f3d59d2a7bdeac9e9f75c492c1aeca80bd6afca9ddf9bb145080b0f31804f01cf12444f872
ripemd-160
d8942eadf87ccdf42d7eda16404c9f9052e8e133
Diameter
40397824
Circumference
126913507.09941
Area
1.2817573807562E+15
Volume
3.452013938566E+22
Surface area
5.1270295230249E+15
Circumference
126913507.09941
Perimeter
80795648
Area
407996045983744
Diagonal
28565575.295581
Surface area
2447976275902464
Volume
8.2410762291736E+21
Space diagonal
34985541.841613
Perimeter
60596736
Area
1.7666747023276E+14
Altitude
17492770.920806
Surface area
1.7666747023276E+14
Volume
9.7122014765399E+20
Height
9521858.4318602