205431321 is an odd 9-digits composite number following 205431320
and preceding 205431322 . In scientific notation, it is written as 2.05431321 × 10^8.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 136954212 positive integers (up to 205431321) that are relatively prime to 205431321.
205431321 has 4 divisors, whose sum is 273908432
The reverse of 205431321 is 123134502
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
two hundred five million four hundred thirty-one thousand three hundred twenty-one
Scientific notation
2.05431321 × 10^8
Engineering notation
2.05431321 × 10^6
Prime Factorization
3 × 68477107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
205431321
Product of the distinct prime numbers
The prime factorization of 205431321 is 3 × 68477107.
Since it has a total of 2 prime factors.
3 , 4 , 23 , 91 , 434 , 704 , 522 , 7629 , 54451 , 62411 , 699399 , 833785 , 4137927 , 3030291 , 86609274 , 37634524 , 275080543 , 870266953 , 8819640857 , 8884418317
n×2
410862642
n×3
616293963
n×4
821725284
n×5
1027156605
n÷2
102715660.5
n÷3
68477107
n÷3
51357830.25
n÷5
41086264.2
n2
42202027647805041
n3
8.6696182885671E+24
n4
1.7810111375861E+33
n5
3.6587547071003E+41
2 √n
14332.875531449
3 √n
590.05009724949
4 √n
119.71998801975
5 √n
45.976227357722
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205431320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205431321 can be divided by 4 positive divisors.
The sum of these divisors (counting 205431321) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001111101010001000011001
3
Ternary
112022112222210110
4
Quaternary
30033222020121
5
Quinary
410042300241
6
Senary
32215034533
8
Octal
1417521031
10
Decimal
205431321
12
Duodecimal
5896ba49
16
Hexadecimal
c3ea219
20
Vigesimal
343ii61
36
Base36
3eb3tl
md5
2b95beabfbdb6ce0304664abf8db93e3
sha1
2d11db1a381e85dc815e29e6bdc1720a2a9eb1a4
sha256
3284bf0809bc18484cfd9395d5aa34be5361fda7e5bc128058be072b4f22c80c
sha512
df02be1565084a428b9f6edcef50fef9e7fbb6b501e15c52ef416d748be7e60df5e74c196be7260f1d2bc548f3c1217848fdd700196cf4f7de7320d299af1b9c
ripemd-160
f6ac8be8acfec0825dba9e5384392e41a1563597
Diameter
410862642
Circumference
1290763057.7417
Area
1.3258158002494E+17
Volume
3.6315212166387E+25
Surface area
5.3032632009975E+17
Circumference
1290763057.7417
Perimeter
821725284
Area
42202027647805041
Diagonal
290523760.29442
Surface area
253212165886830246
Volume
8.6696182885671E+24
Space diagonal
355817485.43799
Perimeter
616293963
Area
1.8274014017106E+16
Altitude
177908742.719
Surface area
1.8274014017106E+16
Volume
1.0217243136908E+24
Height
96841253.431474