308979985 is an odd 9-digits composite number following 308979984
and preceding 308979986 . In scientific notation, it is written as 3.08979985 × 10^8.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 246641280 positive integers (up to 308979985) that are relatively prime to 308979985.
308979985 has 8 divisors, whose sum is 371590056
The reverse of 308979985 is 589979803
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
three hundred eight million nine hundred seventy-nine thousand nine hundred eighty-five
Scientific notation
3.08979985 × 10^8
Engineering notation
3.08979985 × 10^6
Prime Factorization
5 × 457 × 135221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
308979985
Product of the distinct prime numbers
The prime factorization of 308979985 is 5 × 457 × 135221.
Since it has a total of 3 prime factors.
4 , 5 , 15 , 82 , 569 , 898 , 7452 , 7723 , 85786 , 98795 , 861189 , 408394 , 7509416 , 1922571 , 56287462 , 68743923 , 41543580 , 408775848 , 9280579348 , 7120977422
n×2
617959970
n×3
926939955
n×4
1235919940
n×5
1544899925
n÷2
154489992.5
n÷3
102993328.33333
n÷3
77244996.25
n÷5
61795997
n2
95468631130600225
n3
2.9497896214703E+25
n4
9.1142595299506E+33
n5
2.8161237728502E+42
2 √n
17577.826515244
3 √n
676.04683291306
4 √n
132.58139581119
5 √n
49.886848547607
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
-308979984
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 308979985 can be divided by 8 positive divisors.
The sum of these divisors (counting 308979985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010011010101010100100010001
3
Ternary
210112101210212011
4
Quaternary
102122222210101
5
Quinary
1113044324420
6
Senary
50354302521
8
Octal
2232524421
10
Decimal
308979985
12
Duodecimal
87587a41
16
Hexadecimal
126aa911
20
Vigesimal
4gb29j5
36
Base36
53yihd
md5
a9cb441e69e9558839b04ed3890fad38
sha1
d24099b5d1e99f3cd508084f39ede3e4b3c6da53
sha256
998598baefd1c8c9e3ddc410941ab32b330f14b01ca000a80cf5140993cb71a7
sha512
07f0852b61dc098c290e2e8709012fd6fbc1e5469581af4c800ec813b99166a790cae43e2a5ed44342ec073fe3ba68582f6a3e12a1d0caf431ce0a11a7a86969
ripemd-160
66ffa46b6038a3e383e03d293708f4330190c8cd
Diameter
617959970
Circumference
1941378501.9646
Area
2.9992355020817E+17
Volume
1.2356049872596E+26
Surface area
1.1996942008327E+18
Circumference
1941378501.9646
Perimeter
1235919940
Area
95468631130600225
Diagonal
436963685.28884
Surface area
572811786783601350
Volume
2.9497896214703E+25
Space diagonal
535169032.54187
Perimeter
926939955
Area
4.1339129911813E+16
Altitude
267584516.27093
Surface area
4.1339129911813E+16
Volume
3.476360407359E+24
Height
145654561.76295