20406942 is an even 8-digits composite number following 20406941
and preceding 20406943 . In scientific notation, it is written as 2.0406942 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6785520 positive integers (up to 20406942) that are relatively prime to 20406942.
20406942 has 24 divisors, whose sum is 44324280
The reverse of 20406942 is 24960402
Previous prime number is 491
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred six thousand nine hundred forty-two
Scientific notation
2.0406942 × 10^7
Engineering notation
2.0406942 × 10^6
Prime Factorization
2 × 3 × 3 × 491 × 2309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6802314
Product of the distinct prime numbers
The prime factorization of 20406942 is 2 × 3 × 3 × 491 × 2309.
Since it has a total of 5 prime factors.
8 , 2 , 78 , 54 , 162 , 392 , 7798 , 1389 , 91782 , 90074 , 805745 , 766384 , 224517 , 251312 , 99543629 , 26204582 , 900577643 , 337443038 , 6001579381 , 4383519464
n×2
40813884
n×3
61220826
n×4
81627768
n×5
102034710
n÷2
10203471
n÷3
6802314
n÷3
5101735.5
n÷5
4081388.4
n2
416443281791364
n3
8.498333897806E+21
n4
1.7342500694916E+29
n5
3.5390740581611E+36
2 √n
4517.4043432042
3 √n
273.27043201932
4 √n
67.211638450526
5 √n
28.97047300365
1 , 2 , 3 , 6 , 9 , 18 , 491 , 982 , 1473 , 2309 , 2946 , 4419 , 4618 , 6927 , 8838 , 13854 , 20781 , 41562 , 1133719 , 2267438 , 3401157 , 6802314 , 10203471 , 20406942
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406942 can be divided by 24 positive divisors.
The sum of these divisors (counting 20406942) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110001010011110
3
Ternary
1102101210001200
4
Quaternary
1031312022132
5
Quinary
20211010232
6
Senary
2005220330
8
Octal
115661236
10
Decimal
20406942
12
Duodecimal
6a016a6
16
Hexadecimal
137629e
20
Vigesimal
67ah72
36
Base36
c5e3i
md5
0b07b3bb50b3135f084abffbf1e5628f
sha1
7548e420151d5bb8957bf95dd5fbc1b9884287b2
sha256
0fe528613ef687451726ef22e56ee3c7578d7eca85fcbc78675f9e8a748ec4d8
sha512
1591d504641bba5e7c371adb56a285c8ffb9cbff8110134d32428f1c2fe9a583152bdeee5c79ca658d430412250478b1a0e2536daebea6135e970fdcb70ed6e2
ripemd-160
200eafd57a5905f436a95fa882acbfdc750b940d
Diameter
40813884
Circumference
128220598.13887
Area
1.3082951547126E+15
Volume
3.5597737788134E+22
Surface area
5.2331806188503E+15
Circumference
128220598.13887
Perimeter
81627768
Area
416443281791364
Diagonal
28859774.142961
Surface area
2498659690748184
Volume
8.498333897806E+21
Space diagonal
35345860.371111
Perimeter
61220826
Area
1.8032523063334E+14
Altitude
17672930.185556
Surface area
1.8032523063334E+14
Volume
1.0015382546544E+21
Height
9619924.7143204