205389740 is an even 9-digits composite number following 205389739
and preceding 205389741 . In scientific notation, it is written as 2.05389740 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 81308160 positive integers (up to 205389740) that are relatively prime to 205389740.
205389740 has 24 divisors, whose sum is 435769152
The reverse of 205389740 is 047983502
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred five million three hundred eighty-nine thousand seven hundred forty
Scientific notation
2.05389740 × 10^8
Engineering notation
2.05389740 × 10^6
Prime Factorization
2 × 2 × 5 × 97 × 105871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
102694870
Product of the distinct prime numbers
The prime factorization of 205389740 is 2 × 2 × 5 × 97 × 105871.
Since it has a total of 5 prime factors.
10 , 8 , 32 , 53 , 108 , 539 , 2015 , 9057 , 97072 , 53329 , 391499 , 726924 , 672024 , 208691 , 53074336 , 9299167 , 808530941 , 27446005 , 2160899422 , 8864719963
n×2
410779480
n×3
616169220
n×4
821558960
n×5
1026948700
n÷2
102694870
n÷3
68463246.666667
n÷3
51347435
n÷5
41077948
n2
42184945297267600
n3
8.66435494652E+24
n4
1.7795696097335E+33
n5
3.6550533945506E+41
2 √n
14331.424911711
3 √n
590.01028422177
4 √n
119.7139294807
5 √n
45.97436601321
1 , 2 , 4 , 5 , 10 , 20 , 97 , 194 , 388 , 485 , 970 , 1940 , 105871 , 211742 , 423484 , 529355 , 1058710 , 2117420 , 10269487 , 20538974 , 41077948 , 51347435 , 102694870 , 205389740
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205389739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205389740 can be divided by 24 positive divisors.
The sum of these divisors (counting 205389740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100001111011111111110101100
3
Ternary
112022110212202102
4
Quaternary
30033133332230
5
Quinary
410034432430
6
Senary
32214114232
8
Octal
1417377654
10
Decimal
205389740
12
Duodecimal
5894b978
16
Hexadecimal
c3dffac
20
Vigesimal
343de70
36
Base36
3ea7qk
md5
d9d8d29e8701681c19c645315e29c48e
sha1
df8a09875a8aed6360ca8cdab6bade8497d324c7
sha256
4fa5b13d0d77d65895b5c849b7a84ef780cd13fe27b6971e0b634e58899a9c26
sha512
894e23760c3582be74847172e7ac9251d8354bbdac8f7ab451a4749960a679bc5fe08cc22fb573a6eb86c91918566200b622c19573c9967034b628336d0633b0
ripemd-160
26928d32d0d1809a991b93bfcbf4ff3d7d23502c
Diameter
410779480
Circumference
1290501796.6134
Area
1.3252791423798E+17
Volume
3.6293165130776E+25
Surface area
5.3011165695193E+17
Circumference
1290501796.6134
Perimeter
821558960
Area
42184945297267600
Diagonal
290464955.88028
Surface area
253109671783605600
Volume
8.66435494652E+24
Space diagonal
355745465.03336
Perimeter
616169220
Area
1.8266617142345E+16
Altitude
177872732.51668
Surface area
1.8266617142345E+16
Volume
1.0211040228819E+24
Height
96821651.960095