309968989 is an odd 9-digits composite number following 309968988
and preceding 309968990 . In scientific notation, it is written as 3.09968989 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 281789980 positive integers (up to 309968989) that are relatively prime to 309968989.
309968989 has 4 divisors, whose sum is 338148000
The reverse of 309968989 is 989869903
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
three hundred nine million nine hundred sixty-eight thousand nine hundred eighty-nine
Scientific notation
3.09968989 × 10^8
Engineering notation
3.09968989 × 10^6
Prime Factorization
11 × 28178999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
309968989
Product of the distinct prime numbers
The prime factorization of 309968989 is 11 × 28178999.
Since it has a total of 2 prime factors.
3 , 10 , 97 , 84 , 407 , 539 , 9881 , 5086 , 42583 , 63881 , 320914 , 406523 , 7566143 , 1837259 , 19407742 , 41074873 , 583434165 , 285870360 , 9934034735 , 3676139019
n×2
619937978
n×3
929906967
n×4
1239875956
n×5
1549844945
n÷2
154984494.5
n÷3
103322996.33333
n÷3
77492247.25
n÷5
61993797.8
n2
96080774141682121
n3
2.9782060423035E+25
n4
9.2315151596649E+33
n5
2.8614834209795E+42
2 √n
17605.936186412
3 √n
676.76737678825
4 √n
132.68736257237
5 √n
49.918743975186
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
-309968988
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 309968989 can be divided by 4 positive divisors.
The sum of these divisors (counting 309968989) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010011110011100000001011101
3
Ternary
210121021001111221
4
Quaternary
102132130001131
5
Quinary
1113323001424
6
Senary
50431413341
8
Octal
2236340135
10
Decimal
309968989
12
Duodecimal
87984251
16
Hexadecimal
1279c05d
20
Vigesimal
4gh6299
36
Base36
54jplp
md5
20b7a3b2bdf968071a9a8c1bd1013338
sha1
5cf60a64ff20fca7a8e83d0eb6ad7df3da1a95b0
sha256
6418bfcc4a82dc86da5a93999a585621b64fd92fc8f69f0c552a7c54f33fe5a3
sha512
7c269cfacb09428b59929f80bf8b184a3627c551cc4a5ce6a78d5a42293ddeb95d92a14457d87219e27ec6b43049f3606e5c193c0e17155abac64ede565896a1
ripemd-160
1dd6304def3aaf124926ee902c61fa1fb02348bd
Diameter
619937978
Circumference
1947592597.3661
Area
3.0184665419473E+17
Volume
1.2475080297836E+26
Surface area
1.2073866167789E+18
Circumference
1947592597.3661
Perimeter
1239875956
Area
96080774141682121
Diagonal
438362348.15888
Surface area
576484644850092726
Volume
2.9782060423035E+25
Space diagonal
536882037.71876
Perimeter
929906967
Area
4.1604195610986E+16
Altitude
268441018.85938
Surface area
4.1604195610986E+16
Volume
3.5098494804725E+24
Height
146120782.71963