168389917 is an odd 9-digits composite number following 168389916
and preceding 168389918 . In scientific notation, it is written as 1.68389917 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 168347680 positive integers (up to 168389917) that are relatively prime to 168389917.
168389917 has 4 divisors, whose sum is 168432156
The reverse of 168389917 is 719983861
Previous prime number is 4457
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred sixty-eight million three hundred eighty-nine thousand nine hundred seventeen
Scientific notation
1.68389917 × 10^8
Engineering notation
1.68389917 × 10^6
Prime Factorization
4457 × 37781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168389917
Product of the distinct prime numbers
The prime factorization of 168389917 is 4457 × 37781.
Since it has a total of 2 prime factors.
10 , 1 , 3 , 78 , 147 , 442 , 6610 , 8858 , 25775 , 23667 , 149475 , 219259 , 9774145 , 6540027 , 7083887 , 67024906 , 367803915 , 571137 , 1944237679 , 4526486974
n×2
336779834
n×3
505169751
n×4
673559668
n×5
841949585
n÷2
84194958.5
n÷3
56129972.333333
n÷3
42097479.25
n÷5
33677983.4
n2
28355164147266889
n3
4.7747237372796E+24
n4
8.0401533381845E+32
n5
1.3538807532842E+41
2 √n
12976.514054244
3 √n
552.21139093495
4 √n
113.91450326558
5 √n
44.183815485249
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
-168389916
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 168389917 can be divided by 4 positive divisors.
The sum of these divisors (counting 168389917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010010110110100011101
3
Ternary
102201212002112121
4
Quaternary
22002112310131
5
Quinary
321101434132
6
Senary
24413102541
8
Octal
1202266435
10
Decimal
168389917
12
Duodecimal
48487a51
16
Hexadecimal
a096d1d
20
Vigesimal
2cc8efh
36
Base36
2s96hp
md5
f14578339d4365858535dbf62b528270
sha1
c58b8f99a6d88a0d894bf55c69fadbd82df588e0
sha256
165294899e1233f7efde73da5414d1498869d75b94ab3764ec1e79f6fcbba272
sha512
de9de975f1f300a9ea6a6f8bd396d4150319f6dd74a7618343db8a2ea8800b414a49ad0b8280b4cd91cdb26e2e89d22ef514c4c6338d03b405c4c1b8777045da
ripemd-160
129723252655c98beace9882adf2cb59d6eb41c0
Diameter
336779834
Circumference
1058025052.3716
Area
8.9080375376386E+16
Volume
2.0000316021278E+25
Surface area
3.5632150150555E+17
Circumference
1058025052.3716
Perimeter
673559668
Area
28355164147266889
Diagonal
238139304.38828
Surface area
170130984883601334
Volume
4.7747237372796E+24
Space diagonal
291659891.72631
Perimeter
505169751
Area
1.2278146240005E+16
Altitude
145829945.86315
Surface area
1.2278146240005E+16
Volume
5.6270658882047E+23
Height
79379768.129427