20688078 is an even 8-digits composite number following 20688077
and preceding 20688079 . In scientific notation, it is written as 2.0688078 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6658176 positive integers (up to 20688078) that are relatively prime to 20688078.
20688078 has 16 divisors, whose sum is 42803280
The reverse of 20688078 is 87088602
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred eighty-eight thousand seventy-eight
Scientific notation
2.0688078 × 10^7
Engineering notation
2.0688078 × 10^6
Prime Factorization
2 × 3 × 29 × 118897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688078
Product of the distinct prime numbers
The prime factorization of 20688078 is 2 × 3 × 29 × 118897.
Since it has a total of 4 prime factors.
5 , 3 , 68 , 23 , 168 , 524 , 4847 , 2883 , 89879 , 22650 , 331108 , 533921 , 2431008 , 5396111 , 70554608 , 59940266 , 494370885 , 426924660 , 5711406380 , 2489058386
n×2
41376156
n×3
62064234
n×4
82752312
n×5
103440390
n÷2
10344039
n÷3
6896026
n÷3
5172019.5
n÷5
4137615.6
n2
427996571334084
n3
8.8544264514921E+21
n4
1.8318106507373E+29
n5
3.7896641623684E+36
2 √n
4548.4148887277
3 √n
274.51961532152
4 √n
67.441937166186
5 √n
29.049859013713
1 , 2 , 3 , 6 , 29 , 58 , 87 , 174 , 118897 , 237794 , 356691 , 713382 , 3448013 , 6896026 , 10344039 , 20688078
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
-20688077
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 20688078 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688078) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010110011001110
3
Ternary
1102221001201010
4
Quaternary
1032322303032
5
Quinary
20244004303
6
Senary
2015230050
8
Octal
116726316
10
Decimal
20688078
12
Duodecimal
6b18326
16
Hexadecimal
13bacce
20
Vigesimal
69603i
36
Base36
cbf0u
md5
5cb30b0eea7c58f99cc957ee991b1d2f
sha1
d8d383544eb958a2c896c25b111bb64404f269dc
sha256
df4879ee59843c886c28415a58d9e1cfe17b89dc93baf57296fb3f72bb345bad
sha512
b0c71ba81e97402f3bb5ead5ca1fbb11a2cf4588ca25d9837d57328fdab9d2c47af1f1ba4cac6a2864b4831092d554c7e1b647107d8e4c08a586fb7aa166b2b5
ripemd-160
192815b687c9224335a45eefc2777b903a895f7e
Diameter
41376156
Circumference
129987027.72339
Area
1.3445908842648E+15
Volume
3.7089334789012E+22
Surface area
5.3783635370591E+15
Circumference
129987027.72339
Perimeter
82752312
Area
427996571334084
Diagonal
29257360.487032
Surface area
2567979428004504
Volume
8.8544264514921E+21
Space diagonal
35832802.206948
Perimeter
62064234
Area
1.8532795175398E+14
Altitude
17916401.103474
Surface area
1.8532795175398E+14
Volume
1.0435041645613E+21
Height
9752453.4956775