168681768 is an even 9-digits composite number following 168681767
and preceding 168681769 . In scientific notation, it is written as 1.68681768 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 16 positive divisors.
There are 56227248 positive integers (up to 168681768) that are relatively prime to 168681768.
168681768 has 16 divisors, whose sum is 421704480
The reverse of 168681768 is 867186861
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred sixty-eight million six hundred eighty-one thousand seven hundred sixty-eight
Scientific notation
1.68681768 × 10^8
Engineering notation
1.68681768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 7028407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42170442
Product of the distinct prime numbers
The prime factorization of 168681768 is 2 × 2 × 2 × 3 × 7028407.
Since it has a total of 5 prime factors.
10 , 6 , 90 , 66 , 313 , 239 , 1577 , 283 , 67400 , 84000 , 489918 , 349843 , 9100989 , 9967124 , 41675046 , 642272 , 839558068 , 216542383 , 1464512585 , 5476237059
n×2
337363536
n×3
506045304
n×4
674727072
n×5
843408840
n÷2
84340884
n÷3
56227256
n÷3
42170442
n÷5
33736353.6
n2
28453538855605824
n3
4.7995932400203E+24
n4
8.0960387340747E+32
n5
1.3656541274602E+41
2 √n
12987.754540335
3 √n
552.53023510002
4 √n
113.96382996519
5 √n
44.199120629896
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 7028407 , 14056814 , 21085221 , 28113628 , 42170442 , 56227256 , 84340884 , 168681768
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168681767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168681768 can be divided by 16 positive divisors.
The sum of these divisors (counting 168681768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011110000100101000
3
Ternary
102202101220212220
4
Quaternary
22003132010220
5
Quinary
321140304033
6
Senary
24423234040
8
Octal
1203360450
10
Decimal
168681768
12
Duodecimal
485a8920
16
Hexadecimal
a0de128
20
Vigesimal
2ce5488
36
Base36
2sffoo
md5
b2da48e5288237f335678cd978394313
sha1
1d1502ef20cbda7cfe261092bbf2b1e972a47f73
sha256
0f7348ccbffd29cecdcc54a49ca48e5786d6478de530f563b7586e3234112043
sha512
81e07d049d7c987659d55d54fece6312927ad101ffe5b230bb49739fba359039ae3e2007f35465103e163c43bea323ab2a615d44df1f6674f260d5bef60007a8
ripemd-160
fc18096ef44e19bf3eba8cc628ee5a8818a9285d
Diameter
337363536
Circumference
1059858806.2867
Area
8.9389428637403E+16
Volume
2.0104489150756E+25
Surface area
3.5755771454961E+17
Circumference
1059858806.2867
Perimeter
674727072
Area
28453538855605824
Diagonal
238552044.03067
Surface area
170721233133634944
Volume
4.7995932400203E+24
Space diagonal
292165392.48655
Perimeter
506045304
Area
1.2320743738261E+16
Altitude
146082696.24327
Surface area
1.2320743738261E+16
Volume
5.6563748782591E+23
Height
79517348.010224