20403842 is an even 8-digits composite number following 20403841
and preceding 20403843 . In scientific notation, it is written as 2.0403842 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 9572928 positive integers (up to 20403842) that are relatively prime to 20403842.
20403842 has 16 divisors, whose sum is 32503680
The reverse of 20403842 is 24830402
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred three thousand eight hundred forty-two
Scientific notation
2.0403842 × 10^7
Engineering notation
2.0403842 × 10^6
Prime Factorization
2 × 17 × 439 × 1367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20403842
Product of the distinct prime numbers
The prime factorization of 20403842 is 2 × 17 × 439 × 1367.
Since it has a total of 4 prime factors.
9 , 4 , 10 , 57 , 784 , 26 , 7774 , 7679 , 64768 , 27622 , 94594 , 946214 , 702795 , 7064099 , 45913097 , 58611060 , 82932876 , 514405936 , 2797530900 , 6440104683
n×2
40807684
n×3
61211526
n×4
81615368
n×5
102019210
n÷2
10201921
n÷3
6801280.6666667
n÷3
5100960.5
n÷5
4080768.4
n2
416316768360964
n3
8.4944615635877E+21
n4
1.7331965161852E+29
n5
3.5363867871193E+36
2 √n
4517.0612127798
3 √n
273.25659389765
4 √n
67.209085790389
5 √n
28.969592774521
1 , 2 , 17 , 34 , 439 , 878 , 1367 , 2734 , 7463 , 14926 , 23239 , 46478 , 600113 , 1200226 , 10201921 , 20403842
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
-20403841
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 20403842 can be divided by 16 positive divisors.
The sum of these divisors (counting 20403842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101011010000010
3
Ternary
1102101121210212
4
Quaternary
1031311122002
5
Quinary
20210410332
6
Senary
2005154122
8
Octal
115653202
10
Decimal
20403842
12
Duodecimal
69bb942
16
Hexadecimal
1375682
20
Vigesimal
67a9c2
36
Base36
c5bpe
md5
cc38048307bd9e7e39ebbb6c2f869b50
sha1
49c1b73da283a4459148fa1dc188d8aed68c74d9
sha256
c8c85c238b9546911df23230ec02c16813b8fa245bec3a0240dad90845bc0959
sha512
6f9cc4e2ec21c9db36f86283c2782633f22e558b3acd99d6f47f4b5081172ded2467acd9f5ab3dc741d66bae839b5045f23a2de8214c153a132862ca767fa06d
ripemd-160
2ecba16f4fd69f3f8a5d35ca6737bf9b840cf75c
Diameter
40807684
Circumference
128201120.26441
Area
1.307897701049E+15
Volume
3.5581517392491E+22
Surface area
5.2315908041962E+15
Circumference
128201120.26441
Perimeter
81615368
Area
416316768360964
Diagonal
28855390.080918
Surface area
2497900610165784
Volume
8.4944615635877E+21
Space diagonal
35340491.013608
Perimeter
61211526
Area
1.8027044871102E+14
Altitude
17670245.506804
Surface area
1.8027044871102E+14
Volume
1.0010818956902E+21
Height
9618463.3603059