68509968 is an even 8-digits composite number following 68509967
and preceding 68509969 . In scientific notation, it is written as 6.8509968 × 10^7.
The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors.
There are 22836640 positive integers (up to 68509968) that are relatively prime to 68509968.
68509968 has 20 divisors, whose sum is 176984208
The reverse of 68509968 is 86990586
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million five hundred nine thousand nine hundred sixty-eight
Scientific notation
6.8509968 × 10^7
Engineering notation
6.8509968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1427291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8563746
Product of the distinct prime numbers
The prime factorization of 68509968 is 2 × 2 × 2 × 2 × 3 × 1427291.
Since it has a total of 6 prime factors.
1 , 1 , 89 , 99 , 352 , 107 , 2128 , 2727 , 19761 , 84345 , 194519 , 227849 , 9772269 , 6311893 , 78801849 , 65247156 , 84776879 , 124689506 , 4141720806 , 9304215079
n×2
137019936
n×3
205529904
n×4
274039872
n×5
342549840
n÷2
34254984
n÷3
22836656
n÷3
17127492
n÷5
13701993.6
n2
4693615715361024
n3
3.2155946246368E+23
n4
2.2030028483484E+31
n5
1.5092765464426E+39
2 √n
8277.0748456203
3 √n
409.1833198014
4 √n
90.97843066145
5 √n
36.910570084404
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1427291 , 2854582 , 4281873 , 5709164 , 8563746 , 11418328 , 17127492 , 22836656 , 34254984 , 68509968
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
-68509967
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 68509968 can be divided by 20 positive divisors.
The sum of these divisors (counting 68509968) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000101010110000100010000
3
Ternary
11202220200000020
4
Quaternary
10011112010100
5
Quinary
120014304333
6
Senary
10444223440
8
Octal
405260420
10
Decimal
68509968
12
Duodecimal
1ab3ab80
16
Hexadecimal
4156110
20
Vigesimal
1183ei8
36
Base36
14semo
md5
750f1e8b7efa2b5420e9cff0e0672784
sha1
8de27337e64f96c053ec7e968cef7bb370c88ea6
sha256
cb6580403f7c39bc424bca400d8ebaa2378a7f246498ce5e71e95ef80a1f6412
sha512
f9593c7ef79d6fed13e6d1d525e0de2d2ab0fade4308a97db0b622cfa6f23e9df375fb2519288e778bbb4893bb3dd6041c0b5ceb33d6ddcad8b84e25fcfacbf4
ripemd-160
87f34086683612da12c3ac6d9fe2bc78f88625b0
Diameter
137019936
Circumference
430460824.33294
Area
1.4745428650152E+16
Volume
1.3469451266242E+24
Surface area
5.8981714600607E+16
Circumference
430460824.33294
Perimeter
274039872
Area
4693615715361024
Diagonal
96887725.903347
Surface area
28161694292166144
Volume
3.2155946246368E+23
Space diagonal
118662745.40092
Perimeter
205529904
Area
2.0323952225523E+15
Altitude
59331372.700459
Surface area
2.0323952225523E+15
Volume
3.7896146077128E+22
Height
32295908.634449