309040985 is an odd 9-digits composite number following 309040984
and preceding 309040986 . In scientific notation, it is written as 3.09040985 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 207705600 positive integers (up to 309040985) that are relatively prime to 309040985.
309040985 has 16 divisors, whose sum is 381764880
The reverse of 309040985 is 589040903
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
three hundred nine million forty thousand nine hundred eighty-five
Scientific notation
3.09040985 × 10^8
Engineering notation
3.09040985 × 10^6
Prime Factorization
5 × 209 × 41 × 7213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
309040985
Product of the distinct prime numbers
The prime factorization of 309040985 is 5 × 209 × 41 × 7213.
Since it has a total of 4 prime factors.
7 , 5 , 54 , 30 , 60 , 732 , 9758 , 2080 , 13884 , 70463 , 431046 , 41223 , 6165366 , 9230334 , 46683843 , 83001565 , 243908615 , 485708190 , 6907737075 , 1320707897
n×2
618081970
n×3
927122955
n×4
1236163940
n×5
1545204925
n÷2
154520492.5
n÷3
103013661.66667
n÷3
77260246.25
n÷5
61808197
n2
95506330409770225
n3
2.9515370423571E+25
n4
9.1214591483402E+33
n5
2.8189047198403E+42
2 √n
17579.561570187
3 √n
676.09131922854
4 √n
132.58793900724
5 √n
49.888818162227
1 , 5 , 41 , 205 , 209 , 1045 , 7213 , 8569 , 36065 , 42845 , 295733 , 1478665 , 1507517 , 7537585 , 61808197 , 309040985
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
-309040984
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 309040985 can be divided by 16 positive divisors.
The sum of these divisors (counting 309040985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011010111001011101011001
3
Ternary
210112111220112102
4
Quaternary
102122321131121
5
Quinary
1113103302420
6
Senary
50355453145
8
Octal
2232713531
10
Decimal
309040985
12
Duodecimal
875b71b5
16
Hexadecimal
126b9759
20
Vigesimal
4gba295
36
Base36
53ztjt
md5
5d2cdef34e85c49a747906e42f3fbe70
sha1
6986eca8720707bb43ca70dcfb7a8a651e4d56cd
sha256
cd5f11fcbd5a3ff38c723355707a3cd9971d8a09aa625fe2f6efd0ed794af740
sha512
aa6030c8046b7f9b88fed9999100e4703d1de0b73b0fe9b12d085814738ffaab850cc344e113e1c227bfa4eda05eca641e489bb180e40eba0422b8bab5c92c52
ripemd-160
0311eac11b0ffc53d194a6cc521e0f4306a1ab4f
Diameter
618081970
Circumference
1941761776.2683
Area
3.0004198598665E+17
Volume
1.236336945209E+26
Surface area
1.2001679439466E+18
Circumference
1941761776.2683
Perimeter
1236163940
Area
95506330409770225
Diagonal
437049952.31614
Surface area
573037982458621350
Volume
2.9515370423571E+25
Space diagonal
535274687.64113
Perimeter
927122955
Area
4.1355454178546E+16
Altitude
267637343.82057
Surface area
4.1355454178546E+16
Volume
3.4784197626233E+24
Height
145683317.43871