20402938 is an even 8-digits composite number following 20402937
and preceding 20402939 . In scientific notation, it is written as 2.0402938 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10178880 positive integers (up to 20402938) that are relatively prime to 20402938.
20402938 has 8 divisors, whose sum is 30672180
The reverse of 20402938 is 83920402
Previous prime number is 461
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred two thousand nine hundred thirty-eight
Scientific notation
2.0402938 × 10^7
Engineering notation
2.0402938 × 10^6
Prime Factorization
2 × 461 × 22129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402938
Product of the distinct prime numbers
The prime factorization of 20402938 is 2 × 461 × 22129.
Since it has a total of 3 prime factors.
1 , 5 , 1 , 28 , 68 , 491 , 8178 , 6397 , 61645 , 12379 , 726421 , 459873 , 8031726 , 8852687 , 8093877 , 8054385 , 511547582 , 506785413 , 1943857053 , 3600133218
n×2
40805876
n×3
61208814
n×4
81611752
n×5
102014690
n÷2
10201469
n÷3
6800979.3333333
n÷3
5100734.5
n÷5
4080587.6
n2
416279879031844
n3
8.4933325625342E+21
n4
1.7328893768677E+29
n5
3.535603451709E+36
2 √n
4516.9611466117
3 √n
273.25255825886
4 √n
67.208341346977
5 √n
28.969336068201
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
-20402937
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 20402938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101001011111010
3
Ternary
1102101120120101
4
Quaternary
1031311023322
5
Quinary
20210343223
6
Senary
2005150014
8
Octal
115651372
10
Decimal
20402938
12
Duodecimal
69bb30a
16
Hexadecimal
13752fa
20
Vigesimal
67a76i
36
Base36
c5b0a
md5
119371635fd26e926d67ae88c42d1e0d
sha1
570594414c73ba3b8a8e9a7728c3d7f00356bd46
sha256
4318aaaed697fd01d978ca62027d5171099d6c5d6b85e1b1e46133bf9831fb94
sha512
8ae394bbb0d2b1e0976970a38bccadab6ed5b7129f7238785fadc21dd954154b595d9bcd4f431155c42a56b545ea4afd585928ebf3e9f69654a8629eef1e4c4f
ripemd-160
2102527d0dc088ea725724ae4407f1bef8361bd7
Diameter
40805876
Circumference
128195440.2649
Area
1.3077818098037E+15
Volume
3.5576788243937E+22
Surface area
5.2311272392148E+15
Circumference
128195440.2649
Perimeter
81611752
Area
416279879031844
Diagonal
28854111.631857
Surface area
2497679274191064
Volume
8.4933325625342E+21
Space diagonal
35338925.239678
Perimeter
61208814
Area
1.8025447516294E+14
Altitude
17669462.619839
Surface area
1.8025447516294E+14
Volume
1.0009488416401E+21
Height
9618037.2106191