168388636 is an even 9-digits composite number following 168388635
and preceding 168388637 . In scientific notation, it is written as 1.68388636 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 77717808 positive integers (up to 168388636) that are relatively prime to 168388636.
168388636 has 12 divisors, whose sum is 317347912
The reverse of 168388636 is 636883861
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-eight million three hundred eighty-eight thousand six hundred thirty-six
Scientific notation
1.68388636 × 10^8
Engineering notation
1.68388636 × 10^6
Prime Factorization
2 × 2 × 13 × 3238243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
84194318
Product of the distinct prime numbers
The prime factorization of 168388636 is 2 × 2 × 13 × 3238243.
Since it has a total of 4 prime factors.
10 , 6 , 58 , 89 , 864 , 376 , 9585 , 6418 , 67193 , 31604 , 334191 , 563474 , 257761 , 4806071 , 19233781 , 41376269 , 604653174 , 737655334 , 7909872909 , 2089409162
n×2
336777272
n×3
505165908
n×4
673554544
n×5
841943180
n÷2
84194318
n÷3
56129545.333333
n÷3
42097159
n÷5
33677727.2
n2
28354732733940496
n3
4.7746147692128E+24
n4
8.039908684132E+32
n5
1.3538292568855E+41
2 √n
12976.464695748
3 √n
552.20999064409
4 √n
113.91428661826
5 √n
44.183748260749
1 , 2 , 4 , 13 , 26 , 52 , 3238243 , 6476486 , 12952972 , 42097159 , 84194318 , 168388636
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168388635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168388636 can be divided by 12 positive divisors.
The sum of these divisors (counting 168388636) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000010010110100000011100
3
Ternary
102201212000210011
4
Quaternary
22002112200130
5
Quinary
321101414021
6
Senary
24413053004
8
Octal
1202264034
10
Decimal
168388636
12
Duodecimal
48487164
16
Hexadecimal
a09681c
20
Vigesimal
2cc8bbg
36
Base36
2s95i4
md5
088c0e3de779e8ba0bb8c50394352fb3
sha1
e32c258600866a8d90bbacd9b6d5c1292db1e228
sha256
5352e646d864f50b340a51ec22e712b14fbd6028b18939efb0f6858dde384e81
sha512
ec239fc6bee6ebdc37bffa5defd9efb28611ba8863c382a197cdbb2c3978b71fadd4dbe6d30cde46f83e67eef0ffd04c1eb1d940ff74f015af1d9607763d5e7b
ripemd-160
97f0449d7ef83b18a82065fd668bdd050e50541f
Diameter
336777272
Circumference
1058017003.6112
Area
8.9079020051449E+16
Volume
1.9999859576907E+25
Surface area
3.563160802058E+17
Circumference
1058017003.6112
Perimeter
673554544
Area
28354732733940496
Diagonal
238137492.78071
Surface area
170128396403642976
Volume
4.7746147692128E+24
Space diagonal
291657672.96922
Perimeter
505165908
Area
1.2277959432555E+16
Altitude
145828836.48461
Surface area
1.2277959432555E+16
Volume
5.6269374681063E+23
Height
79379164.260235