205121365 is an odd 9-digits composite number following 205121364
and preceding 205121366 . In scientific notation, it is written as 2.05121365 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 163246080 positive integers (up to 205121365) that are relatively prime to 205121365.
205121365 has 8 divisors, whose sum is 247422168
The reverse of 205121365 is 563121502
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred five million one hundred twenty-one thousand three hundred sixty-five
Scientific notation
2.05121365 × 10^8
Engineering notation
2.05121365 × 10^6
Prime Factorization
5 × 193 × 212561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205121365
Product of the distinct prime numbers
The prime factorization of 205121365 is 5 × 193 × 212561.
Since it has a total of 3 prime factors.
3 , 10 , 32 , 9 , 9 , 823 , 4822 , 2295 , 77925 , 88650 , 424795 , 708916 , 1626730 , 7665462 , 21986990 , 61751978 , 791151015 , 761312224 , 3107418300 , 2059342644
n×2
410242730
n×3
615364095
n×4
820485460
n×5
1025606825
n÷2
102560682.5
n÷3
68373788.333333
n÷3
51280341.25
n÷5
41024273
n2
42074774379463225
n3
8.6304351527825E+24
n4
1.7702866390827E+33
n5
3.6312361184991E+41
2 √n
14322.058685817
3 √n
589.75319084162
4 √n
119.67480388878
5 √n
45.962345135856
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205121364
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205121365 can be divided by 8 positive divisors.
The sum of these divisors (counting 205121365) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011110011101010101
3
Ternary
112021222020121121
4
Quaternary
30032132131111
5
Quinary
410002340430
6
Senary
32204243541
8
Octal
1416363525
10
Decimal
205121365
12
Duodecimal
588405b1
16
Hexadecimal
c39e755
20
Vigesimal
3420385
36
Base36
3e4gnp
md5
dbde9a6e2372b0264bc8ade3150003ff
sha1
40c76e043b06ad16c7a034eb439f913163f4c585
sha256
90ebcd1f917651b499dc65639436a7cee9a8a4db8d595390b05f1a2fa1e5124a
sha512
629e70724eb66306e38b07ffb74f23c07b125e3f807fc0b703da7e74077c78937812f61bc8e7ff74a88df6656db83dc96e220a4f20c3a759f5875cff05e74822
ripemd-160
95ec6e30d6c2b8f4f0b3cbee3003f106bddffbfa
Diameter
410242730
Circumference
1288815546.7566
Area
1.3218180209197E+17
Volume
3.615108223102E+25
Surface area
5.2872720836788E+17
Circumference
1288815546.7566
Perimeter
820485460
Area
42074774379463225
Diagonal
290085416.31548
Surface area
252448646276779350
Volume
8.6304351527825E+24
Space diagonal
355280625.89788
Perimeter
615364095
Area
1.8218911735557E+16
Altitude
177640312.94894
Surface area
1.8218911735557E+16
Volume
1.0171065368539E+24
Height
96695138.771827