68109968 is an even 8-digits composite number following 68109967
and preceding 68109969 . In scientific notation, it is written as 6.8109968 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 33980064 positive integers (up to 68109968) that are relatively prime to 68109968.
68109968 has 20 divisors, whose sum is 132253440
The reverse of 68109968 is 86990186
Previous prime number is 8887
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-eight million one hundred nine thousand nine hundred sixty-eight
Scientific notation
6.8109968 × 10^7
Engineering notation
6.8109968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8887 × 479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8513746
Product of the distinct prime numbers
The prime factorization of 68109968 is 2 × 2 × 2 × 2 × 8887 × 479.
Since it has a total of 6 prime factors.
7 , 5 , 79 , 17 , 533 , 928 , 3282 , 9363 , 83550 , 24685 , 742817 , 825098 , 5138266 , 7381230 , 32233000 , 82859667 , 27455932 , 778957882 , 1798370674 , 8349407566
n×2
136219936
n×3
204329904
n×4
272439872
n×5
340549840
n÷2
34054984
n÷3
22703322.666667
n÷3
17027492
n÷5
13621993.6
n2
4638967740961024
n3
3.1595994438989E+23
n4
2.1520021701677E+31
n5
1.4657279894605E+39
2 √n
8252.8763470683
3 √n
408.38541691137
4 √n
90.845343012553
5 √n
36.86736810804
1 , 2 , 4 , 8 , 16 , 479 , 958 , 1916 , 3832 , 7664 , 8887 , 17774 , 35548 , 71096 , 142192 , 4256873 , 8513746 , 17027492 , 34054984 , 68109968
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
-68109967
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 68109968 can be divided by 20 positive divisors.
The sum of these divisors (counting 68109968) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000011110100011010010000
3
Ternary
11202011100022102
4
Quaternary
10003310122100
5
Quinary
114414004333
6
Senary
10431455532
8
Octal
403643220
10
Decimal
68109968
12
Duodecimal
1a9875a8
16
Hexadecimal
40f4690
20
Vigesimal
115dei8
36
Base36
14jtzk
md5
69956232ebc65202c6eed744f06f909b
sha1
aabe68bf12175b457bb0048b93c4fab0db5d266d
sha256
7eed97a6465867b552df8a6a2061586d57e6633083204f14b0bdba2de7ff278c
sha512
e489072b972704d2d7e8779ac730b89fc2647ad79bf424b0e4db7e128f2aa8507924add15d6c2cc3c9c9a8b783802b10e3874d8345a177bd9b460cb1f79c1995
ripemd-160
71e1404f5bf83433b37fd5a84bdf731c6594fecb
Diameter
136219936
Circumference
427947550.21007
Area
1.4573746975243E+16
Volume
1.3234899201652E+24
Surface area
5.8294987900973E+16
Circumference
427947550.21007
Perimeter
272439872
Area
4638967740961024
Diagonal
96322040.478398
Surface area
27833806445766144
Volume
3.1595994438989E+23
Space diagonal
117969925.07789
Perimeter
204329904
Area
2.0087319555044E+15
Altitude
58984962.538945
Surface area
2.0087319555044E+15
Volume
3.7236236543569E+22
Height
32107346.826133