20688748 is an even 8-digits composite number following 20688747
and preceding 20688749 . In scientific notation, it is written as 2.0688748 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 10344372 positive integers (up to 20688748) that are relatively prime to 20688748.
20688748 has 6 divisors, whose sum is 36205316
The reverse of 20688748 is 84788602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred eighty-eight thousand seven hundred forty-eight
Scientific notation
2.0688748 × 10^7
Engineering notation
2.0688748 × 10^6
Prime Factorization
2 × 2 × 5172187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10344374
Product of the distinct prime numbers
The prime factorization of 20688748 is 2 × 2 × 5172187.
Since it has a total of 3 prime factors.
1 , 10 , 82 , 54 , 225 , 696 , 2735 , 3343 , 17670 , 96398 , 245356 , 249642 , 7379752 , 7128926 , 36244351 , 8493761 , 591875845 , 53353399 , 3529325467 , 7620648204
n×2
41377496
n×3
62066244
n×4
82754992
n×5
103443740
n÷2
10344374
n÷3
6896249.3333333
n÷3
5172187
n÷5
4137749.6
n2
428024293807504
n3
8.8552867524614E+21
n4
1.8320479608941E+29
n5
3.7902778586852E+36
2 √n
4548.4885401636
3 √n
274.52257880218
4 √n
67.442483199862
5 √n
29.050047171872
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688748 can be divided by 6 positive divisors.
The sum of these divisors (counting 20688748) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001110111010111101101100
3
Ternary
1102221002121221
4
Quaternary
1032322331230
5
Quinary
20244014443
6
Senary
2015233124
8
Octal
116727554
10
Decimal
20688748
12
Duodecimal
6b187a4
16
Hexadecimal
13baf6c
20
Vigesimal
6961h8
36
Base36
cbfjg
md5
289ff42a6dc48aedee7966e4aeec5356
sha1
a448306fed0843bee12f3a4f41dff89e056d2921
sha256
060258c79df78b132f9e793287cc78440b9af781a3d2f6273c40a2d37bf4623e
sha512
d2cbb2a70748f85c7e63112f0deed2951053c05344e4076e42744cbd14699325b4feb87539bf94d42689c43b8c026614421d3f916511d736249e8566da8037fb
ripemd-160
145b28bc7f0d914dc202f20c9c99e8162fa237b2
Diameter
41377496
Circumference
129991237.45754
Area
1.3446779769836E+15
Volume
3.7092938409285E+22
Surface area
5.3787119079345E+15
Circumference
129991237.45754
Perimeter
82754992
Area
428024293807504
Diagonal
29258308.010119
Surface area
2568145762845024
Volume
8.8552867524614E+21
Space diagonal
35833962.680989
Perimeter
62066244
Area
1.853399559371E+14
Altitude
17916981.340494
Surface area
1.853399559371E+14
Volume
1.0436055520028E+21
Height
9752769.3367064