204987890 is an even 9-digits composite number following 204987889
and preceding 204987891 . In scientific notation, it is written as 2.04987890 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 81995152 positive integers (up to 204987890) that are relatively prime to 204987890.
204987890 has 8 divisors, whose sum is 368978220
The reverse of 204987890 is 098789402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred four million nine hundred eighty-seven thousand eight hundred ninety
Scientific notation
2.04987890 × 10^8
Engineering notation
2.04987890 × 10^6
Prime Factorization
2 × 5 × 20498789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
204987890
Product of the distinct prime numbers
The prime factorization of 204987890 is 2 × 5 × 20498789.
Since it has a total of 3 prime factors.
10 , 10 , 88 , 52 , 298 , 893 , 7906 , 6016 , 75560 , 7629 , 602173 , 572048 , 9249418 , 8640155 , 61838240 , 23236892 , 419251017 , 51431865 , 549379829 , 9568703227
n×2
409975780
n×3
614963670
n×4
819951560
n×5
1024939450
n÷2
102493945
n÷3
68329296.666667
n÷3
51246972.5
n÷5
40997578
n2
42020035046652100
n3
8.6135983219393E+24
n4
1.7656833453219E+33
n5
3.6194370336567E+41
2 √n
14317.398157487
3 √n
589.62524319556
4 √n
119.65533066891
5 √n
45.956361925435
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
-204987889
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 204987890 can be divided by 8 positive divisors.
The sum of these divisors (counting 204987890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101111101110111110010
3
Ternary
112021201110112002
4
Quaternary
30031331313302
5
Quinary
404434103030
6
Senary
32201334002
8
Octal
1415756762
10
Decimal
204987890
12
Duodecimal
58797302
16
Hexadecimal
c37ddf2
20
Vigesimal
34139ea
36
Base36
3e1lo2
md5
19319bd890ec905d39925fe8f0be4a2b
sha1
100c6cc04695ba65ee83ac8671045f9a0da57431
sha256
40678990b19ada89941b996174c8e56a7a5c9ce9f3be1e800801cdcf992d360a
sha512
b5f8148e98ba731182286b3c134ea01b823a1073f4c2392ae931b738227cf9e159158edaf08b6a9ab8d4480b239463a8398da533f1262d61d0251182660c8d2a
ripemd-160
2de81686246266d349ef2937296614445b34472d
Diameter
409975780
Circumference
1287976898.5977
Area
1.3200983340615E+17
Volume
3.6080556278904E+25
Surface area
5.2803933362459E+17
Circumference
1287976898.5977
Perimeter
819951560
Area
42020035046652100
Diagonal
289896654.16024
Surface area
252120210279912600
Volume
8.6135983219393E+24
Space diagonal
355049440.41634
Perimeter
614963670
Area
1.8195208909157E+16
Altitude
177524720.20817
Surface area
1.8195208909157E+16
Volume
1.0151222973101E+24
Height
96632218.053415