20385938 is an even 8-digits composite number following 20385937
and preceding 20385939 . In scientific notation, it is written as 2.0385938 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 9944320 positive integers (up to 20385938) that are relatively prime to 20385938.
20385938 has 8 divisors, whose sum is 31324860
The reverse of 20385938 is 83958302
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred eighty-five thousand nine hundred thirty-eight
Scientific notation
2.0385938 × 10^7
Engineering notation
2.0385938 × 10^6
Prime Factorization
2 × 41 × 248609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20385938
Product of the distinct prime numbers
The prime factorization of 20385938 is 2 × 41 × 248609.
Since it has a total of 3 prime factors.
5 , 7 , 12 , 21 , 618 , 95 , 5427 , 308 , 55897 , 86929 , 168545 , 182685 , 7360678 , 5729913 , 32174382 , 91128 , 170068252 , 839214039 , 1920840660 , 1164191599
n×2
40771876
n×3
61157814
n×4
81543752
n×5
101929690
n÷2
10192969
n÷3
6795312.6666667
n÷3
5096484.5
n÷5
4077187.6
n2
415586468139844
n3
8.4721199731378E+21
n4
1.7271211250095E+29
n5
3.5208984172934E+36
2 √n
4515.0789583351
3 √n
273.17664461248
4 √n
67.19433724902
5 √n
28.964506931033
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
-20385937
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 20385938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20385938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001000010010010
3
Ternary
1102100201020202
4
Quaternary
1031301002102
5
Quinary
20204322223
6
Senary
2004535202
8
Octal
115610222
10
Decimal
20385938
12
Duodecimal
69b1502
16
Hexadecimal
1371092
20
Vigesimal
6784gi
36
Base36
c4xw2
md5
bb4d1edb43b84224aad44333dcd1c593
sha1
e4a1d55cbfe76754ebcd2719b5d074eebca5426f
sha256
d6961b39cf4ac963ef19a93c162fd9936f1e8d30d62a393ad48e3eba0605df98
sha512
80dc6906ccb8404da9a4b43bdb88f6ffcfc0650843f158253dd3984109fe5671f625a051aa1347f9a1e597369001c7c6a0e0de8b2767df3e14adfd82302b5da6
ripemd-160
74081cc0c51eacc81fc748f1148fee99b63ddc77
Diameter
40771876
Circumference
128088626.11467
Area
1.3056033952395E+15
Volume
3.5487933157255E+22
Surface area
5.2224135809578E+15
Circumference
128088626.11467
Perimeter
81543752
Area
415586468139844
Diagonal
28830070.001297
Surface area
2493518808839064
Volume
8.4721199731378E+21
Space diagonal
35309480.375949
Perimeter
61157814
Area
1.7995421943908E+14
Altitude
17654740.187975
Surface area
1.7995421943908E+14
Volume
9.9844891400529E+20
Height
9610023.3337657