20120205 is an odd 8-digits composite number following 20120204
and preceding 20120206 . In scientific notation, it is written as 2.0120205 × 10^7.
The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors.
There are 9197760 positive integers (up to 20120205) that are relatively prime to 20120205.
20120205 has 16 divisors, whose sum is 36791424
The reverse of 20120205 is 50202102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty million one hundred twenty thousand two hundred five
Scientific notation
2.0120205 × 10^7
Engineering notation
2.0120205 × 10^6
Prime Factorization
5 × 7 × 3 × 191621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20120205
Product of the distinct prime numbers
The prime factorization of 20120205 is 5 × 7 × 3 × 191621.
Since it has a total of 4 prime factors.
10 , 3 , 3 , 56 , 896 , 442 , 2573 , 2562 , 76390 , 2101 , 847582 , 169039 , 8590755 , 3445826 , 43586307 , 70002596 , 128720968 , 10877880 , 9769727198 , 4937041769
n×2
40240410
n×3
60360615
n×4
80480820
n×5
100601025
n÷2
10060102.5
n÷3
6706735
n÷3
5030051.25
n÷5
4024041
n2
404822649242025
n3
8.1451146913926E+21
n4
1.6388137733933E+29
n5
3.2973269077497E+36
2 √n
4485.5551495885
3 √n
271.9844867522
4 √n
66.974287227178
5 √n
28.888598982336
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 191621 , 574863 , 958105 , 1341347 , 2874315 , 4024041 , 6706735 , 20120205
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
-20120204
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 20120205 can be divided by 16 positive divisors.
The sum of these divisors (counting 20120205) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000001010001101
3
Ternary
1101212012201210
4
Quaternary
1030300022031
5
Quinary
20122321310
6
Senary
1555125033
8
Octal
114601215
10
Decimal
20120205
12
Duodecimal
68a3779
16
Hexadecimal
133028d
20
Vigesimal
65f0a5
36
Base36
bz8ul
md5
b60ec1d3215d4f79e5186768b238c5c5
sha1
d9bb23d3e03df1cafd103245ce13b400611f264b
sha256
53e7bfec71c36ef7d1dd60a85018f8016ef4c7c011ae3ec88223ab1f51051f1f
sha512
4e7fb20ddc070109dbb04d912e324707178d6a036705f070eac3ae062ed1bd4fb439cb133dff54fd0e0d86dd8e082607384923b0d7fe0a3b4bc10c4444e53f53
ripemd-160
a365f9f1a83d9d507275fc366e7edc7222eb8575
Diameter
40240410
Circumference
126418976.43344
Area
1.2717878608655E+15
Volume
3.4118176636167E+22
Surface area
5.087151443462E+15
Circumference
126418976.43344
Perimeter
80480820
Area
404822649242025
Diagonal
28454266.788727
Surface area
2428935895452150
Volume
8.1451146913926E+21
Space diagonal
34849217.318701
Perimeter
60360615
Area
1.7529334913546E+14
Altitude
17424608.659351
Surface area
1.7529334913546E+14
Volume
9.5991097197098E+20
Height
9484755.5962423