168016720 is an even 9-digits composite number following 168016719
and preceding 168016721 . In scientific notation, it is written as 1.68016720 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 64888320 positive integers (up to 168016720) that are relatively prime to 168016720.
168016720 has 20 divisors, whose sum is 327781972
The reverse of 168016720 is 027610861
Previous prime number is 145
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-eight million sixteen thousand seven hundred twenty
Scientific notation
1.68016720 × 10^8
Engineering notation
1.68016720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 145 × 72421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21002090
Product of the distinct prime numbers
The prime factorization of 168016720 is 2 × 2 × 2 × 2 × 145 × 72421.
Since it has a total of 6 prime factors.
1 , 9 , 33 , 52 , 171 , 714 , 3951 , 3716 , 30460 , 61977 , 391942 , 104780 , 3386607 , 7326293 , 68242864 , 26907393 , 506915079 , 429938957 , 3431505750 , 3542372430
n×2
336033440
n×3
504050160
n×4
672066880
n×5
840083600
n÷2
84008360
n÷3
56005573.333333
n÷3
42004180
n÷5
33603344
n2
28229618199558400
n3
4.7430478567421E+24
n4
7.9691134369284E+32
n5
1.3389443009806E+41
2 √n
12962.126368771
3 √n
551.80313991194
4 √n
113.85133450589
5 √n
44.164213474633
1 , 2 , 4 , 8 , 16 , 145 , 290 , 580 , 1160 , 2320 , 72421 , 144842 , 289684 , 579368 , 1158736 , 10501045 , 21002090 , 42004180 , 84008360 , 168016720
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
-168016719
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 168016720 can be divided by 20 positive divisors.
The sum of these divisors (counting 168016720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000111011101101010000
3
Ternary
102201011010121111
4
Quaternary
22000323231100
5
Quinary
321003013340
6
Senary
24401103104
8
Octal
1200735520
10
Decimal
168016720
12
Duodecimal
48327a94
16
Hexadecimal
a03bb50
20
Vigesimal
2ca21g0
36
Base36
2s16j4
md5
15019a1373362c988a779f66e7075fa3
sha1
fbd9f5dca79cf02244cb858047f6ef08eae76979
sha256
b4df083ebe3a4b7f866b122db399278998cc65774a0312e5a8c0bda4308e9bf7
sha512
2b231d2ff82af5864fcd03ef853ccb0fb4898491d435f279cbe4539c0b2e784d1946473c34221b08727b972361d29a2b3c054488b77e103c71d946e8d41ef4da
ripemd-160
fbfa43f4878b3c3db19b6bbc1b1caefb56d481c4
Diameter
336033440
Circumference
1055680186.4645
Area
8.8685961149377E+16
Volume
1.9867632403154E+25
Surface area
3.5474384459751E+17
Circumference
1055680186.4645
Perimeter
672066880
Area
28229618199558400
Diagonal
237611524.12944
Surface area
169377709197350400
Volume
4.7430478567421E+24
Space diagonal
291013495.56107
Perimeter
504050160
Area
1.2223783249977E+16
Altitude
145506747.78054
Surface area
1.2223783249977E+16
Volume
5.5897355049911E+23
Height
79203841.376481