20689618 is an even 8-digits composite number following 20689617
and preceding 20689619 . In scientific notation, it is written as 2.0689618 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10322004 positive integers (up to 20689618) that are relatively prime to 20689618.
20689618 has 8 divisors, whose sum is 31102848
The reverse of 20689618 is 81698602
Previous prime number is 463
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-nine thousand six hundred eighteen
Scientific notation
2.0689618 × 10^7
Engineering notation
2.0689618 × 10^6
Prime Factorization
2 × 463 × 22343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20689618
Product of the distinct prime numbers
The prime factorization of 20689618 is 2 × 463 × 22343.
Since it has a total of 3 prime factors.
10 , 8 , 98 , 11 , 188 , 906 , 5851 , 8162 , 97726 , 72668 , 152904 , 190867 , 5465618 , 8203619 , 84182365 , 21742809 , 901566949 , 787021270 , 5854406799 , 9193077901
n×2
41379236
n×3
62068854
n×4
82758472
n×5
103448090
n÷2
10344809
n÷3
6896539.3333333
n÷3
5172404.5
n÷5
4137923.6
n2
428060292985924
n3
8.8564039428468E+21
n4
1.832356144312E+29
n5
3.7910748665767E+36
2 √n
4548.5841753231
3 √n
274.52642680844
4 √n
67.443192208874
5 √n
29.050291489372
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689618 can be divided by 8 positive divisors.
The sum of these divisors (counting 20689618) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111011001011010010
3
Ternary
1102221010211011
4
Quaternary
1032323023102
5
Quinary
20244031433
6
Senary
2015241134
8
Octal
116731322
10
Decimal
20689618
12
Duodecimal
6b191aa
16
Hexadecimal
13bb2d2
20
Vigesimal
69640i
36
Base36
cbg7m
md5
1ba284b0daf5dca6f751a045bbb832c3
sha1
8d824545883c78cc3580f63416bda61db3c6c7b6
sha256
68d1b093d86d3b3c9b6fdf588258ba4f51d6633440ed4c1ac2d9225dcbfd7524
sha512
359f69cc6f60ed28e0df381fb4ecd02211d51d7d2403277d5e5a53141886d3efdc2114f062be0cb5a583b7943be884ddf9cfe3719ee90506db245319354206ce
ripemd-160
72de612069a96d9356462b2cb8d82b76f995dd8e
Diameter
41379236
Circumference
129996703.82876
Area
1.3447910717381E+15
Volume
3.7097618085428E+22
Surface area
5.3791642869523E+15
Circumference
129996703.82876
Perimeter
82758472
Area
428060292985924
Diagonal
29259538.375919
Surface area
2568361757915544
Volume
8.8564039428468E+21
Space diagonal
35835469.565192
Perimeter
62068854
Area
1.8535554403861E+14
Altitude
17917734.782596
Surface area
1.8535554403861E+14
Volume
1.0437372141524E+21
Height
9753179.4586395