308486985 is an odd 9-digits composite number following 308486984
and preceding 308486986 . In scientific notation, it is written as 3.08486985 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 164526384 positive integers (up to 308486985) that are relatively prime to 308486985.
308486985 has 4 divisors, whose sum is 329052800
The reverse of 308486985 is 589684803
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eight million four hundred eighty-six thousand nine hundred eighty-five
Scientific notation
3.08486985 × 10^8
Engineering notation
3.08486985 × 10^6
Prime Factorization
15 × 20565799
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
308486985
Product of the distinct prime numbers
The prime factorization of 308486985 is 15 × 20565799.
Since it has a total of 2 prime factors.
10 , 3 , 22 , 98 , 642 , 373 , 2398 , 2977 , 26814 , 77566 , 954634 , 12860 , 1306895 , 189344 , 9262119 , 98074707 , 589809213 , 726022329 , 5490455572 , 1340756496
n×2
616973970
n×3
925460955
n×4
1233947940
n×5
1542434925
n÷2
154243492.5
n÷3
102828995
n÷3
77121746.25
n÷5
61697397
n2
95164219914390225
n3
2.9356923281267E+25
n4
9.0562287519144E+33
n5
2.7937287031484E+42
2 √n
17563.797567724
3 √n
675.68708090593
4 √n
132.5284783272
5 √n
49.870918759714
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-308486984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 308486985 can be divided by 4 positive divisors.
The sum of these divisors (counting 308486985) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010011000110010001101001001
3
Ternary
210111110202120220
4
Quaternary
102120302031021
5
Quinary
1112433040420
6
Senary
50335540253
8
Octal
2230621511
10
Decimal
308486985
12
Duodecimal
8738a689
16
Hexadecimal
12632349
20
Vigesimal
4g80h95
36
Base36
53ny2x
md5
8fe32fc2b5460f808b541b99a8342834
sha1
10c769fe34483fd4be904a8517099219f7565bd6
sha256
6c777a7589346bb7338598998978c3569f1ca9f778c00957de953222a4c6b770
sha512
9c4e86df30fee6903a4a0f3f53dbf2852fbb58ada426107e977cf068c56f4794ddff7f7bafb35a9be6e9cd0503df6a7eb9dff892906baa3f6e0a6663db5d700b
ripemd-160
5ddd35e78ba57f881c1f87cd0e585f60eb3c12fb
Diameter
616973970
Circumference
1938280891.6081
Area
2.9896721416765E+17
Volume
1.2296999268324E+26
Surface area
1.1958688566706E+18
Circumference
1938280891.6081
Perimeter
1233947940
Area
95164219914390225
Diagonal
436266478.00259
Surface area
570985319486341350
Volume
2.9356923281267E+25
Space diagonal
534315131.49374
Perimeter
925460955
Area
4.1207315988595E+16
Altitude
267157565.74687
Surface area
4.1207315988595E+16
Volume
3.4597465878262E+24
Height
145422159.3342