205386490 is an even 9-digits composite number following 205386489
and preceding 205386491 . In scientific notation, it is written as 2.05386490 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 79035264 positive integers (up to 205386490) that are relatively prime to 205386490.
205386490 has 16 divisors, whose sum is 314176320
The reverse of 205386490 is 094683502
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred five million three hundred eighty-six thousand four hundred ninety
Scientific notation
2.05386490 × 10^8
Engineering notation
2.05386490 × 10^6
Prime Factorization
2 × 215 × 67 × 7129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205386490
Product of the distinct prime numbers
The prime factorization of 205386490 is 2 × 215 × 67 × 7129.
Since it has a total of 4 prime factors.
7 , 8 , 3 , 52 , 273 , 663 , 2260 , 2654 , 79905 , 34156 , 339383 , 941921 , 9855334 , 3926882 , 35090391 , 53745793 , 879753934 , 536318558 , 6032893932 , 1155046059
n×2
410772980
n×3
616159470
n×4
821545960
n×5
1026932450
n÷2
102693245
n÷3
68462163.333333
n÷3
51346622.5
n÷5
41077298
n2
42183610274520100
n3
8.6639436498116E+24
n4
1.7794569757926E+33
n5
3.6547642236406E+41
2 √n
14331.311524072
3 √n
590.00717218132
4 √n
119.7134559023
5 √n
45.974220516522
1 , 2 , 67 , 134 , 215 , 430 , 7129 , 14258 , 14405 , 28810 , 477643 , 955286 , 1532735 , 3065470 , 102693245 , 205386490
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
-205386489
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 205386490 can be divided by 16 positive divisors.
The sum of these divisors (counting 205386490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001111011111001011111010
3
Ternary
112022110201022001
4
Quaternary
30033133023322
5
Quinary
410034331430
6
Senary
32214051214
8
Octal
1417371372
10
Decimal
205386490
12
Duodecimal
58949b0a
16
Hexadecimal
c3df2fa
20
Vigesimal
343d64a
36
Base36
3ea58a
md5
62625e15dab345b99e00db813565914e
sha1
6c5a7b6251aaa7493ae501ad576fc9ab6b318ee8
sha256
f688f2b227e606b6488848c9961e0390500faa2ff367d469372c99475d365ff4
sha512
9949c3389e2300ec420442278676b740f6f53ef03bfd66323f7154d06795160f8ac7921b22f10a2ed25c3cdeb2cf63f11d59c46c9b020af4858a5bcce8924c0f
ripemd-160
2171b46a3be767a436f3d56d1ea3a2862ad99561
Diameter
410772980
Circumference
1290481376.2612
Area
1.3252372014033E+17
Volume
3.6291442295152E+25
Surface area
5.3009488056131E+17
Circumference
1290481376.2612
Perimeter
821545960
Area
42183610274520100
Diagonal
290460359.68621
Surface area
253101661647120600
Volume
8.6639436498116E+24
Space diagonal
355739835.86824
Perimeter
616159470
Area
1.8266039060538E+16
Altitude
177869917.93412
Surface area
1.8266039060538E+16
Volume
1.0210555511E+24
Height
96820119.895402