205121223 is an odd 9-digits composite number following 205121222
and preceding 205121224 . In scientific notation, it is written as 2.05121223 × 10^8.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 131362560 positive integers (up to 205121223) that are relatively prime to 205121223.
205121223 has 16 divisors, whose sum is 237063200
The reverse of 205121223 is 322121502
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred five million one hundred twenty-one thousand two hundred twenty-three
Scientific notation
2.05121223 × 10^8
Engineering notation
2.05121223 × 10^6
Prime Factorization
9 × 61 × 43 × 8689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205121223
Product of the distinct prime numbers
The prime factorization of 205121223 is 9 × 61 × 43 × 8689.
Since it has a total of 4 prime factors.
10 , 9 , 12 , 26 , 164 , 83 , 1851 , 3370 , 98913 , 77286 , 255515 , 424095 , 7020128 , 8525807 , 47657744 , 49471442 , 807083316 , 323092125 , 6044507991 , 3144420897
n×2
410242446
n×3
615363669
n×4
820484892
n×5
1025606115
n÷2
102560611.5
n÷3
68373741
n÷3
51280305.75
n÷5
41024244.6
n2
42074716125015729
n3
8.630417228941E+24
n4
1.7702817370007E+33
n5
3.6312235494814E+41
2 √n
14322.053728429
3 √n
589.75305475151
4 √n
119.67478317686
5 √n
45.962338772155
1 , 9 , 43 , 61 , 387 , 549 , 2623 , 8689 , 23607 , 78201 , 373627 , 530029 , 3362643 , 4770261 , 22791247 , 205121223
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
-205121222
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 205121223 can be divided by 16 positive divisors.
The sum of these divisors (counting 205121223) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001110011110011011000111
3
Ternary
112021222020102100
4
Quaternary
30032132123013
5
Quinary
410002334343
6
Senary
32204243143
8
Octal
1416363307
10
Decimal
205121223
12
Duodecimal
588404b3
16
Hexadecimal
c39e6c7
20
Vigesimal
3420313
36
Base36
3e4gjr
md5
af472c383aee4533527e9ef58cabb732
sha1
01e7894b2bd1ef5657ed131f1df4095845c92c87
sha256
5d9401c106fccc99a2049c3d9e94f8f1b3490bf87d8f0ebdd1671d6a5ecec844
sha512
ed8dec97e628bfab32645965a8a41299cce958140add9ee575443406c5e105df64bf03bc4fdad123f7a44ff45b775a8612c84901db1320d1f471cb9e695dd882
ripemd-160
fd59d030ace3fec43c96cc51b1b4d644aafa81fd
Diameter
410242446
Circumference
1288814654.5443
Area
1.3218161908023E+17
Volume
3.6151007151808E+25
Surface area
5.287264763209E+17
Circumference
1288814654.5443
Perimeter
820484892
Area
42074716125015729
Diagonal
290085215.49716
Surface area
252448296750094374
Volume
8.630417228941E+24
Space diagonal
355280379.94667
Perimeter
615363669
Area
1.8218886510641E+16
Altitude
177640189.97333
Surface area
1.8218886510641E+16
Volume
1.0171044245089E+24
Height
96695071.832385