20406661 is an odd 8-digits composite number following 20406660
and preceding 20406662 . In scientific notation, it is written as 2.0406661 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18489120 positive integers (up to 20406661) that are relatively prime to 20406661.
20406661 has 8 divisors, whose sum is 22336704
The reverse of 20406661 is 16660402
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred six thousand six hundred sixty-one
Scientific notation
2.0406661 × 10^7
Engineering notation
2.0406661 × 10^6
Prime Factorization
11 × 313 × 5927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20406661
Product of the distinct prime numbers
The prime factorization of 20406661 is 11 × 313 × 5927.
Since it has a total of 3 prime factors.
8 , 7 , 37 , 13 , 680 , 116 , 5527 , 6161 , 82656 , 81207 , 931281 , 637836 , 1547199 , 8086450 , 74724368 , 5545647 , 969193725 , 933017906 , 2565419256 , 816044004
n×2
40813322
n×3
61219983
n×4
81626644
n×5
102033305
n÷2
10203330.5
n÷3
6802220.3333333
n÷3
5101665.25
n÷5
4081332.2
n2
416431813168921
n3
8.4979828409535E+21
n4
1.7341545501916E+29
n5
3.5388304027366E+36
2 √n
4517.3732411657
3 √n
273.26917771831
4 √n
67.211407076223
5 √n
28.970393219548
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
-20406660
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 20406661 can be divided by 8 positive divisors.
The sum of these divisors (counting 20406661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110000110000101
3
Ternary
1102101202200021
4
Quaternary
1031312012011
5
Quinary
20211003121
6
Senary
2005215141
8
Octal
115660605
10
Decimal
20406661
12
Duodecimal
6a014b1
16
Hexadecimal
1376185
20
Vigesimal
67agd1
36
Base36
c5dvp
md5
65ae45e224a650d1fe52e8e910bb1330
sha1
2b8c1a98c38a92522803e618022c125c92bcc1f4
sha256
4cbd2f08e2e08423ed4d4867408409f86f4b129553de7ee8627a5ec7a49de114
sha512
fb87dc112546318ba11360322bc3bbfcc97aadb75a36c23fab5514410fe5b307a030859f7eab5fd017d763b707d50aa495c5a3f83f53da3287147655af315e56
ripemd-160
3b7c55b511817940532d8fd3e7b4b7a39ee08002
Diameter
40813322
Circumference
128218832.56379
Area
1.3082591249726E+15
Volume
3.5596267284629E+22
Surface area
5.2330364998902E+15
Circumference
128218832.56379
Perimeter
81626644
Area
416431813168921
Diagonal
28859376.74895
Surface area
2498590879013526
Volume
8.4979828409535E+21
Space diagonal
35345373.664834
Perimeter
61219983
Area
1.8032026457415E+14
Altitude
17672686.832417
Surface area
1.8032026457415E+14
Volume
1.0014968822075E+21
Height
9619792.24965