168681608 is an even 9-digits composite number following 168681607
and preceding 168681609 . In scientific notation, it is written as 1.68681608 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 8 positive divisors.
There are 84340800 positive integers (up to 168681608) that are relatively prime to 168681608.
168681608 has 8 divisors, whose sum is 316278030
The reverse of 168681608 is 806186861
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty-eight million six hundred eighty-one thousand six hundred eight
Scientific notation
1.68681608 × 10^8
Engineering notation
1.68681608 × 10^6
Prime Factorization
2 × 2 × 2 × 21085201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42170402
Product of the distinct prime numbers
The prime factorization of 168681608 is 2 × 2 × 2 × 21085201.
Since it has a total of 4 prime factors.
3 , 7 , 76 , 78 , 601 , 491 , 3566 , 9366 , 52307 , 66686 , 554753 , 523297 , 7058203 , 285646 , 61992820 , 12319028 , 865057647 , 517094478 , 3472880241 , 2115234389
n×2
337363216
n×3
506044824
n×4
674726432
n×5
843408040
n÷2
84340804
n÷3
56227202.666667
n÷3
42170402
n÷5
33736321.6
n2
28453484877465664
n3
4.7995795823346E+24
n4
8.0960080167217E+32
n5
1.3656476506415E+41
2 √n
12987.748380686
3 √n
552.53006040249
4 √n
113.96380294061
5 √n
44.19911224504
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
-168681607
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 168681608 can be divided by 8 positive divisors.
The sum of these divisors (counting 168681608) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011110000010001000
3
Ternary
102202101220122222
4
Quaternary
22003132002020
5
Quinary
321140302413
6
Senary
24423233212
8
Octal
1203360210
10
Decimal
168681608
12
Duodecimal
485a8808
16
Hexadecimal
a0de088
20
Vigesimal
2ce5408
36
Base36
2sffk8
md5
1053eaed322a3a2b3becbfbc3ab06155
sha1
dd2879a417962676ce1c8bc07d34d791126a882b
sha256
68cfe0c5a9939eee7189b7674d69489f01f77e45ed66f0b44abab5b237158665
sha512
48811584e3bc1c89a609494536cdfb3e91bd4f71b9cef39d44a012771aa530314e4128a3bfdf9e2421b243b4acf340180891b059a7af7fc90c8886d00fc7ec67
ripemd-160
67a362ba2af0084917e6a8c1d9f2be6169518bd6
Diameter
337363216
Circumference
1059857800.977
Area
8.9389259060074E+16
Volume
2.0104431941576E+25
Surface area
3.575570362403E+17
Circumference
1059857800.977
Perimeter
674726432
Area
28453484877465664
Diagonal
238551817.7565
Surface area
170720909264793984
Volume
4.7995795823346E+24
Space diagonal
292165115.35842
Perimeter
506044824
Area
1.2320720365041E+16
Altitude
146082557.67921
Surface area
1.2320720365041E+16
Volume
5.6563587825221E+23
Height
79517272.585501