205855438 is an even 9-digits composite number following 205855437
and preceding 205855439 . In scientific notation, it is written as 2.05855438 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 97238880 positive integers (up to 205855438) that are relatively prime to 205855438.
205855438 has 16 divisors, whose sum is 312586560
The reverse of 205855438 is 834558502
Previous prime number is 109
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred five million eight hundred fifty-five thousand four hundred thirty-eight
Scientific notation
2.05855438 × 10^8
Engineering notation
2.05855438 × 10^6
Prime Factorization
2 × 2573 × 109 × 367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205855438
Product of the distinct prime numbers
The prime factorization of 205855438 is 2 × 2573 × 109 × 367.
Since it has a total of 4 prime factors.
5 , 5 , 23 , 31 , 237 , 576 , 433 , 5679 , 2629 , 40712 , 765842 , 443074 , 342447 , 9377039 , 73447763 , 49962309 , 615149856 , 947637201 , 8575637225 , 9182512939
n×2
411710876
n×3
617566314
n×4
823421752
n×5
1029277190
n÷2
102927719
n÷3
68618479.333333
n÷3
51463859.5
n÷5
41171087.6
n2
42376461354171844
n3
8.7234250129531E+24
n4
1.7957644769016E+33
n5
3.6966788293742E+41
2 √n
14347.663154674
3 √n
590.45587480667
4 √n
119.78173130605
5 √n
45.995195465181
1 , 2 , 109 , 218 , 367 , 734 , 2573 , 5146 , 40003 , 80006 , 280457 , 560914 , 944291 , 1888582 , 102927719 , 205855438
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
-205855437
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 205855438 can be divided by 16 positive divisors.
The sum of these divisors (counting 205855438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010001010001101011001110
3
Ternary
112100100112120111
4
Quaternary
30101101223032
5
Quinary
410144333223
6
Senary
32232110234
8
Octal
1421215316
10
Decimal
205855438
12
Duodecimal
58b3537a
16
Hexadecimal
c451ace
20
Vigesimal
346bibi
36
Base36
3ek72m
md5
601446177089c4a44a9f2fc1bbe0cfaf
sha1
532431e281c806ac8d93e6e16a71a2e37f2c4bc9
sha256
e5a36de3f87746851a6cfac220c25f75184af522a97f2fdcaeab71fb6fe29212
sha512
97fa32608979904600ca84ec5024e016ebf3a9d7baa0ecf0d748dfa03f03aa22ccbbf95faf03a5d0cc912ab19c5437aff886a5b69e3fba1a49ac6298ccd8353d
ripemd-160
226b722a3d512e5fce16a0e4470d573a437907f3
Diameter
411710876
Circumference
1293427863.4446
Area
1.331295796754E+17
Volume
3.6540597246447E+25
Surface area
5.3251831870159E+17
Circumference
1293427863.4446
Perimeter
823421752
Area
42376461354171844
Diagonal
291123552.30785
Surface area
254258768125031064
Volume
8.7234250129531E+24
Space diagonal
356552077.63034
Perimeter
617566314
Area
1.8349546027601E+16
Altitude
178276038.81517
Surface area
1.8349546027601E+16
Volume
1.0280654969719E+24
Height
97041184.102618