205012008 is an even 9-digits composite number following 205012007
and preceding 205012009 . In scientific notation, it is written as 2.05012008 × 10^8.
The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors.
There are 68337312 positive integers (up to 205012008) that are relatively prime to 205012008.
205012008 has 16 divisors, whose sum is 427108500
The reverse of 205012008 is 800210502
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred five million twelve thousand eight
Scientific notation
2.05012008 × 10^8
Engineering notation
2.05012008 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 2847389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
51253002
Product of the distinct prime numbers
The prime factorization of 205012008 is 2 × 2 × 2 × 9 × 2847389.
Since it has a total of 5 prime factors.
2 , 4 , 22 , 96 , 72 , 865 , 6004 , 1874 , 83583 , 48141 , 682375 , 542675 , 7897585 , 210206 , 21921913 , 99685000 , 940330840 , 905697686 , 2854200005 , 8774778938
n×2
410024016
n×3
615036024
n×4
820048032
n×5
1025060040
n÷2
102506004
n÷3
68337336
n÷3
51253002
n÷5
41002401.6
n2
42029923424192064
n3
8.6166389972799E+24
n4
1.7665144630434E+33
n5
3.6215667722958E+41
2 √n
14318.240394685
3 √n
589.64836655167
4 √n
119.65885004748
5 √n
45.957443280415
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 2847389 , 5694778 , 11389556 , 22779112 , 25626501 , 51253002 , 102506004 , 205012008
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
-205012007
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 205012008 can be divided by 16 positive divisors.
The sum of these divisors (counting 205012008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001110000011110000101000
3
Ternary
112021202200121100
4
Quaternary
30032003300220
5
Quinary
404440341013
6
Senary
32202041400
8
Octal
1416036050
10
Decimal
205012008
12
Duodecimal
587a9260
16
Hexadecimal
c383c28
20
Vigesimal
3416a08
36
Base36
3e24a0
md5
1a0752fa2d08291e6bed9c22315312a3
sha1
d8af073ea2a2c2e3a0494ffc93801ff8a85ce33a
sha256
f84728d9f3618f8b58cfb606ba6ce7be414c9dbcd937fbf3dd1527a6f4cca452
sha512
b214f4beea9ba176239c7e0bf59be52025c32bf11d56c11444b4c06e10f125fc2f9b8eb2fda299e56b9f11ad9920ee8b08d43f6aae0db6a6db5ceaa3db0b1960
ripemd-160
0870a81a2a4a680d7b0187f5404e727387853e03
Diameter
410024016
Circumference
1288128436.461
Area
1.3204089866038E+17
Volume
3.6093293029986E+25
Surface area
5.2816359464153E+17
Circumference
1288128436.461
Perimeter
820048032
Area
42029923424192064
Diagonal
289930762.16294
Surface area
252179540545152384
Volume
8.6166389972799E+24
Space diagonal
355091214.01772
Perimeter
615036024
Area
1.8199490702232E+16
Altitude
177545607.00886
Surface area
1.8199490702232E+16
Volume
1.0154806443355E+24
Height
96643587.387647