20690639 is an odd 8-digits composite number following 20690638
and preceding 20690640 . In scientific notation, it is written as 2.0690639 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 18539136 positive integers (up to 20690639) that are relatively prime to 20690639.
20690639 has 8 divisors, whose sum is 21840000
The reverse of 20690639 is 93609602
Previous prime number is 2599
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred ninety thousand six hundred thirty-nine
Scientific notation
2.0690639 × 10^7
Engineering notation
2.0690639 × 10^6
Prime Factorization
19 × 2599 × 419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20690639
Product of the distinct prime numbers
The prime factorization of 20690639 is 19 × 2599 × 419.
Since it has a total of 3 prime factors.
8 , 3 , 89 , 36 , 299 , 182 , 5113 , 8793 , 86320 , 44709 , 941830 , 539370 , 6625115 , 446620 , 88452233 , 48040607 , 225376283 , 712023218 , 4973983165 , 3288469543
n×2
41381278
n×3
62071917
n×4
82762556
n×5
103453195
n÷2
10345319.5
n÷3
6896879.6666667
n÷3
5172659.75
n÷5
4138127.8
n2
428102542228321
n3
8.8577151562284E+21
n4
1.8327178666235E+29
n5
3.7920103767157E+36
2 √n
4548.6964066642
3 √n
274.53094254948
4 √n
67.444024247254
5 √n
29.050578200921
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
-20690638
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 20690639 can be divided by 8 positive divisors.
The sum of these divisors (counting 20690639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111011011011001111
3
Ternary
1102221012012222
4
Quaternary
1032323123033
5
Quinary
20244100024
6
Senary
2015245555
8
Octal
116733317
10
Decimal
20690639
12
Duodecimal
6b198bb
16
Hexadecimal
13bb6cf
20
Vigesimal
6966bj
36
Base36
cbgzz
md5
3cb3e4bc9b68d44e1c85850fbe04c7e9
sha1
8b2f22785adce6f4be5745fd48105391800de50c
sha256
37a87ea2da6764fedb6315156e992426336755b1fa9f1456c9ec1e5aa496603b
sha512
6f12fc3396a124c3b160cf23763a6afca9d86e4d4b1686b6539120d55917741fcf5ef13affcd3972e2db24688f5a66aa07945a0e777088f082d61cc3e904f9ec
ripemd-160
2bd744870ba233e335f0c16c59c85b5107199223
Diameter
41381278
Circumference
130003118.96096
Area
1.3449238016476E+15
Volume
3.7103110483198E+22
Surface area
5.3796952065904E+15
Circumference
130003118.96096
Perimeter
82762556
Area
428102542228321
Diagonal
29260982.287966
Surface area
2568615253369926
Volume
8.8577151562284E+21
Space diagonal
35837237.989066
Perimeter
62071917
Area
1.8537383849721E+14
Altitude
17918618.994533
Surface area
1.8537383849721E+14
Volume
1.0438917421313E+21
Height
9753660.7626552