204981985 is an odd 9-digits composite number following 204981984
and preceding 204981986 . In scientific notation, it is written as 2.04981985 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 151371264 positive integers (up to 204981985) that are relatively prime to 204981985.
204981985 has 8 divisors, whose sum is 264899880
The reverse of 204981985 is 589189402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred four million nine hundred eighty-one thousand nine hundred eighty-five
Scientific notation
2.04981985 × 10^8
Engineering notation
2.04981985 × 10^6
Prime Factorization
5 × 13 × 3153569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
204981985
Product of the distinct prime numbers
The prime factorization of 204981985 is 5 × 13 × 3153569.
Since it has a total of 3 prime factors.
8 , 3 , 97 , 53 , 541 , 242 , 7904 , 6787 , 16970 , 81287 , 751157 , 441961 , 7886085 , 9523849 , 78486267 , 56739563 , 295715993 , 38418156 , 2485063633 , 5544460365
n×2
409963970
n×3
614945955
n×4
819927940
n×5
1024909925
n÷2
102490992.5
n÷3
68327328.333333
n÷3
51245496.25
n÷5
40996397
n2
42017614174540225
n3
8.6128539584614E+24
n4
1.7654799009205E+33
n5
3.6189157456829E+41
2 √n
14317.191938366
3 √n
589.61958144566
4 √n
119.6544689444
5 √n
45.956097153263
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
-204981984
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 204981985 can be divided by 8 positive divisors.
The sum of these divisors (counting 204981985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101111100011011100001
3
Ternary
112021201011102101
4
Quaternary
30031330123201
5
Quinary
404433410420
6
Senary
32201250401
8
Octal
1415743341
10
Decimal
204981985
12
Duodecimal
58793a01
16
Hexadecimal
c37c6e1
20
Vigesimal
3412ej5
36
Base36
3e1h41
md5
bb22a0034d1356c5830c4a55413335f2
sha1
82bf763b364dc32fe93f356c8ec98c160c309b80
sha256
fc731d2fa3e5e27d2aa86613b265fb1421f7eebe65aa7abdf6440a208ea495e7
sha512
25f44629ae204ecd025f76a307590af5a25c86f6d351c1f99eb974e290603713c42f145b0f83f7f7f28af79f2492a0310ea09f71808e1aa31f888765bdcdbcbe
ripemd-160
2e5f32df886af9d5a5bb5ab34ae127079d475df8
Diameter
409963970
Circumference
1287939796.3885
Area
1.3200222801211E+17
Volume
3.6077438296459E+25
Surface area
5.2800891204842E+17
Circumference
1287939796.3885
Perimeter
819927940
Area
42017614174540225
Diagonal
289888303.22916
Surface area
252105685047241350
Volume
8.6128539584614E+24
Space diagonal
355039212.65632
Perimeter
614945955
Area
1.8194160640782E+16
Altitude
177519606.32816
Surface area
1.8194160640782E+16
Volume
1.0150345732329E+24
Height
96629434.409719