205121590 is an even 9-digits composite number following 205121589
and preceding 205121591 . In scientific notation, it is written as 2.05121590 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 78159840 positive integers (up to 205121590) that are relatively prime to 205121590.
205121590 has 32 divisors, whose sum is 386850816
The reverse of 205121590 is 095121502
Previous prime number is 263
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred five million one hundred twenty-one thousand five hundred ninety
Scientific notation
2.05121590 × 10^8
Engineering notation
2.05121590 × 10^6
Prime Factorization
2 × 5 × 23 × 263 × 3391
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
205121590
Product of the distinct prime numbers
The prime factorization of 205121590 is 2 × 5 × 23 × 263 × 3391.
Since it has a total of 5 prime factors.
1 , 5 , 98 , 55 , 474 , 495 , 7190 , 1116 , 60270 , 84415 , 473915 , 734199 , 7097565 , 5339049 , 37442294 , 79954215 , 75801261 , 37869525 , 3225759119 , 9904602774
n×2
410243180
n×3
615364770
n×4
820486360
n×5
1025607950
n÷2
102560795
n÷3
68373863.333333
n÷3
51280397.5
n÷5
41024318
n2
42074866684128100
n3
8.6304635532864E+24
n4
1.7702944064872E+33
n5
3.6312560342675E+41
2 √n
14322.066540831
3 √n
589.75340647725
4 √n
119.67483670693
5 √n
45.962355219177
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 263 , 526 , 1315 , 2630 , 3391 , 6049 , 6782 , 12098 , 16955 , 30245 , 33910 , 60490 , 77993 , 155986 , 389965 , 779930 , 891833 , 1783666 , 4459165 , 8918330 , 20512159 , 41024318 , 102560795 , 205121590
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205121589
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205121590 can be divided by 32 positive divisors.
The sum of these divisors (counting 205121590) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1100001110011110100000110110
3
Ternary
112021222020220221
4
Quaternary
30032132200312
5
Quinary
410002342330
6
Senary
32204244554
8
Octal
1416364066
10
Decimal
205121590
12
Duodecimal
5884075a
16
Hexadecimal
c39e836
20
Vigesimal
34203ja
36
Base36
3e4gty
md5
c5a326464cce06187188ccb82ecccb29
sha1
930e6c44da03f3b03c1ba88aab7857fff1ec3e69
sha256
24f708afee0bfc00ac4d0cebd3acee1c201f7c7e060ff8d6481707e0f61f0680
sha512
fc086cbba4d7ea56b4cad0ad2d07150a101f7ac7fd095c8e3d6dc1d601fbadc5a3a3755910598673f35123dffc9d7832ddd72982150b563a2714828503359365
ripemd-160
66ccbfa118b2e2c1808c460e9b85d2f9eba75e4d
Diameter
410243180
Circumference
1288816960.4733
Area
1.3218209207563E+17
Volume
3.6151201194772E+25
Surface area
5.2872836830251E+17
Circumference
1288816960.4733
Perimeter
820486360
Area
42074866684128100
Diagonal
290085734.51353
Surface area
252449200104768600
Volume
8.6304635532864E+24
Space diagonal
355281015.60931
Perimeter
615364770
Area
1.8218951704649E+16
Altitude
177640507.80466
Surface area
1.8218951704649E+16
Volume
1.0171098838854E+24
Height
96695244.837844