205742442 is an even 9-digits composite number following 205742441
and preceding 205742443 . In scientific notation, it is written as 2.05742442 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 68580812 positive integers (up to 205742442) that are relatively prime to 205742442.
205742442 has 8 divisors, whose sum is 411484896
The reverse of 205742442 is 244247502
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred five million seven hundred forty-two thousand four hundred forty-two
Scientific notation
2.05742442 × 10^8
Engineering notation
2.05742442 × 10^6
Prime Factorization
2 × 3 × 34290407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205742442
Product of the distinct prime numbers
The prime factorization of 205742442 is 2 × 3 × 34290407.
Since it has a total of 3 prime factors.
6 , 7 , 81 , 89 , 204 , 915 , 6451 , 9155 , 72920 , 13990 , 538563 , 118389 , 7023403 , 7822337 , 87769593 , 92505816 , 649948757 , 480986960 , 1398857792 , 523044504
n×2
411484884
n×3
617227326
n×4
822969768
n×5
1028712210
n÷2
102871221
n÷3
68580814
n÷3
51435610.5
n÷5
41148488.4
n2
42329952440123364
n3
8.7090677847748E+24
n4
1.7918248735831E+33
n5
3.6865442512733E+41
2 √n
14343.724830043
3 √n
590.34781942568
4 √n
119.76529058973
5 √n
45.99014491644
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205742441
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205742442 can be divided by 8 positive divisors.
The sum of these divisors (counting 205742442) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010000110110000101101010
3
Ternary
112100010210120110
4
Quaternary
30100312011222
5
Quinary
410132224232
6
Senary
32225435150
8
Octal
1420660552
10
Decimal
205742442
12
Duodecimal
58a9bab6
16
Hexadecimal
c43616a
20
Vigesimal
345hg22
36
Base36
3ehrvu
md5
8cd23580c77ab612987faa76b4d3feb1
sha1
6a118c1639285dc3fbaa4b67b7ebb246ddd148ac
sha256
2bf2f597bbb929ff15e8f5d6987e188c2030238ab094fd0f14386d98b19d47f2
sha512
3227514750627dbc6fc1817d420feb7b0f597090deb7df7c2fa43da8e65ef43cc06a787dfd4d3964b584e7af2605908cf462fb4f9cfbf6cf5f74fbef6a1589fe
ripemd-160
c4d12f93abd964f459f22e795377e1fe8ae6c220
Diameter
411484884
Circumference
1292717888.6376
Area
1.329834676127E+17
Volume
3.6480457829686E+25
Surface area
5.3193387045079E+17
Circumference
1292717888.6376
Perimeter
822969768
Area
42329952440123364
Diagonal
290963751.83216
Surface area
253979714640740184
Volume
8.7090677847748E+24
Space diagonal
356356362.81729
Perimeter
617227326
Area
1.8329407077067E+16
Altitude
178178181.40865
Surface area
1.8329407077067E+16
Volume
1.0263734814046E+24
Height
96987917.277387