20688055 is an odd 8-digits composite number following 20688054
and preceding 20688056 . In scientific notation, it is written as 2.0688055 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 15409440 positive integers (up to 20688055) that are relatively prime to 20688055.
20688055 has 16 divisors, whose sum is 26582400
The reverse of 20688055 is 55088602
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-eight thousand fifty-five
Scientific notation
2.0688055 × 10^7
Engineering notation
2.0688055 × 10^6
Prime Factorization
19 × 5 × 59 × 3691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688055
Product of the distinct prime numbers
The prime factorization of 20688055 is 19 × 5 × 59 × 3691.
Since it has a total of 4 prime factors.
2 , 7 , 40 , 56 , 886 , 152 , 3572 , 3596 , 39702 , 98409 , 521641 , 425040 , 1011238 , 7414957 , 51676433 , 18611963 , 270821698 , 496898121 , 3509842110 , 5551098204
n×2
41376110
n×3
62064165
n×4
82752220
n×5
103440275
n÷2
10344027.5
n÷3
6896018.3333333
n÷3
5172013.75
n÷5
4137611
n2
427995619683025
n3
8.8543969197615E+21
n4
1.8318025046786E+29
n5
3.7896430965928E+36
2 √n
4548.4123603737
3 √n
274.51951358896
4 √n
67.44191842151
5 √n
29.049852554465
1 , 5 , 19 , 59 , 95 , 295 , 1121 , 3691 , 5605 , 18455 , 70129 , 217769 , 350645 , 1088845 , 4137611 , 20688055
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
-20688054
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 20688055 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688055) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010110010110111
3
Ternary
1102221001200021
4
Quaternary
1032322302313
5
Quinary
20244004210
6
Senary
2015230011
8
Octal
116726267
10
Decimal
20688055
12
Duodecimal
6b18307
16
Hexadecimal
13bacb7
20
Vigesimal
69602f
36
Base36
cbf07
md5
06d41d78acb81075e9b1b77ce907edea
sha1
4e2044813d36e3af8150118be5b692c0fb4f4678
sha256
158fad8a21d7695a2bf6b9b831e3f5e3fe8e25e9634b1b0c9713714a2435359b
sha512
ab4e365e56482e16a8f666e8819310fb99df2fbec80bbda30a4bb4511775b93028d176d830475f0b40d3fe378df1f99ae3be0c768ef36f38e1c98839129b6058
ripemd-160
f42e601c316705b64ceae2713ce6e9741e832e4f
Diameter
41376110
Circumference
129986883.21012
Area
1.3445878945648E+15
Volume
3.7089211086788E+22
Surface area
5.3783515782592E+15
Circumference
129986883.21012
Perimeter
82752220
Area
427995619683025
Diagonal
29257327.960121
Surface area
2567973718098150
Volume
8.8543969197615E+21
Space diagonal
35832762.369779
Perimeter
62064165
Area
1.8532753967698E+14
Altitude
17916381.18489
Surface area
1.8532753967698E+14
Volume
1.0435006842134E+21
Height
9752442.6533735