20688542 is an even 8-digits composite number following 20688541
and preceding 20688543 . In scientific notation, it is written as 2.0688542 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8560608 positive integers (up to 20688542) that are relatively prime to 20688542.
20688542 has 16 divisors, whose sum is 36689760
The reverse of 20688542 is 24588602
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-eight thousand five hundred forty-two
Scientific notation
2.0688542 × 10^7
Engineering notation
2.0688542 × 10^6
Prime Factorization
2 × 7 × 29 × 50957
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688542
Product of the distinct prime numbers
The prime factorization of 20688542 is 2 × 7 × 29 × 50957.
Since it has a total of 4 prime factors.
6 , 8 , 19 , 22 , 820 , 882 , 7699 , 4388 , 57797 , 26632 , 934057 , 530388 , 2174548 , 8680568 , 26628974 , 9318993 , 691692446 , 431001653 , 361185098 , 9421101057
n×2
41377084
n×3
62065626
n×4
82754168
n×5
103442710
n÷2
10344271
n÷3
6896180.6666667
n÷3
5172135.5
n÷5
4137708.4
n2
428015770085764
n3
8.8550222360817E+21
n4
1.8319749944211E+29
n5
3.7900891615031E+36
2 √n
4548.4658952223
3 √n
274.52166764927
4 √n
67.442315316293
5 √n
29.049989320778
1 , 2 , 7 , 14 , 29 , 58 , 203 , 406 , 50957 , 101914 , 356699 , 713398 , 1477753 , 2955506 , 10344271 , 20688542
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
-20688541
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 20688542 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010111010011110
3
Ternary
1102221002100022
4
Quaternary
1032322322132
5
Quinary
20244013132
6
Senary
2015232142
8
Octal
116727236
10
Decimal
20688542
12
Duodecimal
6b18652
16
Hexadecimal
13bae9e
20
Vigesimal
696172
36
Base36
cbfdq
md5
27bbac0520531b9af139ae99f23dc86c
sha1
5f0c26d725f19f99e0dbe2e8b3fb989b1bff3e72
sha256
03a11614a8a7d04230f58eef6e8c3c0bf4c150f9fe320ccc5eaa0ba9753405a0
sha512
13c32b96d8ef0fdd14c41d5a3082e4d14742f5e2063d4933e18fd7a4a03b2368f5af7a706f6fa762888ee722b21ec3b19357e1b315a8b8d5d1900d07db8f1872
ripemd-160
f1ea8a1bcb664637bb2f7e950ccfa9bdeae5cfda
Diameter
41377084
Circumference
129989943.12137
Area
1.344651198922E+15
Volume
3.7091830405665E+22
Surface area
5.3786047956881E+15
Circumference
129989943.12137
Perimeter
82754168
Area
428015770085764
Diagonal
29258016.682125
Surface area
2568094620514584
Volume
8.8550222360817E+21
Space diagonal
35833605.878523
Perimeter
62065626
Area
1.8533626505732E+14
Altitude
17916802.939261
Surface area
1.8533626505732E+14
Volume
1.0435743784485E+21
Height
9752672.2273751