389905168 is an even 9-digits composite number following 389905167
and preceding 389905169 . In scientific notation, it is written as 3.89905168 × 10^8.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 191756160 positive integers (up to 389905168) that are relatively prime to 389905168.
389905168 has 20 divisors, whose sum is 767827468
The reverse of 389905168 is 861509983
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-nine million nine hundred five thousand one hundred sixty-eight
Scientific notation
3.89905168 × 10^8
Engineering notation
3.89905168 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 61 × 399493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
48738146
Product of the distinct prime numbers
The prime factorization of 389905168 is 2 × 2 × 2 × 2 × 61 × 399493.
Since it has a total of 6 prime factors.
6 , 5 , 74 , 78 , 168 , 712 , 780 , 2913 , 78453 , 61030 , 289509 , 385682 , 2527241 , 8799705 , 97581119 , 39540790 , 478625458 , 788042243 , 3410498843 , 4449687672
n×2
779810336
n×3
1169715504
n×4
1559620672
n×5
1949525840
n÷2
194952584
n÷3
129968389.33333
n÷3
97476292
n÷5
77981033.6
n2
152026040033108224
n3
5.9275738679484E+25
n4
2.3111916848148E+34
n5
9.0114558214793E+42
2 √n
19746.016509666
3 √n
730.55513412653
4 √n
140.52051988826
5 √n
52.262694679557
1 , 2 , 4 , 8 , 16 , 61 , 122 , 244 , 488 , 976 , 399493 , 798986 , 1597972 , 3195944 , 6391888 , 24369073 , 48738146 , 97476292 , 194952584 , 389905168
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389905167
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389905168 can be divided by 20 positive divisors.
The sum of these divisors (counting 389905168) is 1, the average is 0.05.
Base
System
Value
2
Binary
10111001111010111101100010000
3
Ternary
1000011200020100011
4
Quaternary
113033113230100
5
Quinary
1244303431133
6
Senary
102405004304
8
Octal
2717275420
10
Decimal
389905168
12
Duodecimal
aa6b3694
16
Hexadecimal
173d7b10
20
Vigesimal
61gi2i8
36
Base36
6g50r4
md5
a6d20ad32723a8a74a5f2e8d311c850d
sha1
79e75537338a71bfbd27d1c43b2113808ca0409f
sha256
4ddb40d4923b22d9778ecff2cfaa92346feb4e799384294decee55e3bcd47adc
sha512
8fbc7a7df835ddd6b76eda35ff71267635a7e0056f67da7c1fd6e858799736cc42364e95789dd55e64332e71ca32790997b3639ce3220838c10194eaf1d0826d
ripemd-160
7f5149e3b9d1f88e41aa974691138c7c88086cd9
Diameter
779810336
Circumference
2449846422.771
Area
4.7760389052236E+17
Volume
2.482936335621E+26
Surface area
1.9104155620894E+18
Circumference
2449846422.771
Perimeter
1559620672
Area
152026040033108224
Diagonal
551409176.62496
Surface area
912156240198649344
Volume
5.9275738679484E+25
Space diagonal
675335561.10968
Perimeter
1169715504
Area
6.5829206352711E+16
Altitude
337667780.55484
Surface area
6.5829206352711E+16
Volume
6.9857127966841E+24
Height
183803058.87499