20842938 is an even 8-digits composite number following 20842937
and preceding 20842939 . In scientific notation, it is written as 2.0842938 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6707904 positive integers (up to 20842938) that are relatively prime to 20842938.
20842938 has 24 divisors, whose sum is 46718100
The reverse of 20842938 is 83924802
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred forty-two thousand nine hundred thirty-eight
Scientific notation
2.0842938 × 10^7
Engineering notation
2.0842938 × 10^6
Prime Factorization
2 × 3 × 3 × 29 × 39929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6947646
Product of the distinct prime numbers
The prime factorization of 20842938 is 2 × 3 × 3 × 29 × 39929.
Since it has a total of 5 prime factors.
3 , 4 , 45 , 89 , 449 , 53 , 3734 , 7427 , 32535 , 88314 , 122617 , 918155 , 6529128 , 16412 , 66427422 , 83680703 , 141555487 , 339929756 , 108889964 , 9005042127
n×2
41685876
n×3
62528814
n×4
83371752
n×5
104214690
n÷2
10421469
n÷3
6947646
n÷3
5210734.5
n÷5
4168587.6
n2
434428064471844
n3
9.0547572132466E+21
n4
1.8872774320075E+29
n5
3.9336406504132E+36
2 √n
4565.4066631572
3 √n
275.20288279216
4 √n
67.567793090771
5 √n
29.093219750366
1 , 2 , 3 , 6 , 9 , 18 , 29 , 58 , 87 , 174 , 261 , 522 , 39929 , 79858 , 119787 , 239574 , 359361 , 718722 , 1157941 , 2315882 , 3473823 , 6947646 , 10421469 , 20842938
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
-20842937
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 20842938 can be divided by 24 positive divisors.
The sum of these divisors (counting 20842938) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100000100110111010
3
Ternary
1110012221010200
4
Quaternary
1033200212322
5
Quinary
20313433223
6
Senary
2022423030
8
Octal
117404672
10
Decimal
20842938
12
Duodecimal
6b91a76
16
Hexadecimal
13e09ba
20
Vigesimal
6a576i
36
Base36
ceqii
md5
55c29356eb6de9c20f2b094705371382
sha1
9326f1554382f05a2e22d2318a69792d8c390cd7
sha256
a8cacc89a97b83ca555d05c9c05f249f740668cc489d880de0282a3abdfa0709
sha512
4f57d4eda8eb66905887242d3370f64a9f269a54a3f0a5392d0a31ebf649c03c8bb893de6fb574c77573da8053d9dc30f7ad533ccac545c830a741e36cd71ee8
ripemd-160
c90f39a3c6e1b6d82bd90c4b192439f9745b4612
Diameter
41685876
Circumference
130960041.80006
Area
1.364796015858E+15
Volume
3.7928478321566E+22
Surface area
5.4591840634319E+15
Circumference
130960041.80006
Perimeter
83371752
Area
434428064471844
Diagonal
29476365.599302
Surface area
2606568386831064
Volume
9.0547572132466E+21
Space diagonal
36101027.595008
Perimeter
62528814
Area
1.8811286997476E+14
Altitude
18050513.797504
Surface area
1.8811286997476E+14
Volume
1.0671133712474E+21
Height
9825455.1997672