68708906 is an even 8-digits composite number following 68708905
and preceding 68708907 . In scientific notation, it is written as 6.8708906 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 29412720 positive integers (up to 68708906) that are relatively prime to 68708906.
68708906 has 16 divisors, whose sum is 117922560
The reverse of 68708906 is 60980786
Previous prime number is 1069
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million seven hundred eight thousand nine hundred six
Scientific notation
6.8708906 × 10^7
Engineering notation
6.8708906 × 10^6
Prime Factorization
2 × 7 × 1069 × 4591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68708906
Product of the distinct prime numbers
The prime factorization of 68708906 is 2 × 7 × 1069 × 4591.
Since it has a total of 4 prime factors.
3 , 5 , 6 , 20 , 568 , 23 , 8109 , 9609 , 26622 , 69437 , 25032 , 910575 , 1066244 , 5232354 , 53166603 , 6505754 , 390842122 , 567643164 , 7669111636 , 250842073
n×2
137417812
n×3
206126718
n×4
274835624
n×5
343544530
n÷2
34354453
n÷3
22902968.666667
n÷3
17177226.5
n÷5
13741781.2
n2
4720913763716836
n3
3.2436882002533E+23
n4
2.2287026764451E+31
n5
1.5313172269782E+39
2 √n
8289.0835440355
3 √n
409.57899675755
4 √n
91.044404243399
5 √n
36.931981277975
1 , 2 , 7 , 14 , 1069 , 2138 , 4591 , 7483 , 9182 , 14966 , 32137 , 64274 , 4907779 , 9815558 , 34354453 , 68708906
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
-68708905
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 68708906 can be divided by 16 positive divisors.
The sum of these divisors (counting 68708906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110000110101000101010
3
Ternary
11210021202220022
4
Quaternary
10012012220222
5
Quinary
120042141111
6
Senary
10452400442
8
Octal
406065052
10
Decimal
68708906
12
Duodecimal
1b016122
16
Hexadecimal
4186a2a
20
Vigesimal
1198c56
36
Base36
14wo4q
md5
5076d74eeee9be5d51ec2322cf4058ae
sha1
14ac748b9a4c8338df1973f8c880efb7c5840c91
sha256
a4b00efe9870e1b9b966db1ce58e26a53a19ad61ab8251576b9ad0b11aa473e3
sha512
cbb3675e92579fd18dc52a0d1267c446eed760ab29d8caac27b07b46905a29a94abcd741a7d8d5fee6ea74df174ab8b3d23bda7a294e279bf65d4d116ad51598
ripemd-160
1fa652de02143ad47bf4da73f6a41b98a75f895b
Diameter
137417812
Circumference
431710788.65158
Area
1.4831187998324E+16
Volume
1.3587129360602E+24
Surface area
5.9324751993295E+16
Circumference
431710788.65158
Perimeter
274835624
Area
4720913763716836
Diagonal
97169066.721018
Surface area
28325482582301016
Volume
3.2436882002533E+23
Space diagonal
119007316.12447
Perimeter
206126718
Area
2.0442156242272E+15
Altitude
59503658.062237
Surface area
2.0442156242272E+15
Volume
3.8227232040898E+22
Height
32389688.907006