20245438 is an even 8-digits composite number following 20245437
and preceding 20245439 . In scientific notation, it is written as 2.0245438 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9637920 positive integers (up to 20245438) that are relatively prime to 20245438.
20245438 has 16 divisors, whose sum is 31857984
The reverse of 20245438 is 83454202
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred forty-five thousand four hundred thirty-eight
Scientific notation
2.0245438 × 10^7
Engineering notation
2.0245438 × 10^6
Prime Factorization
2 × 37 × 47 × 5821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20245438
Product of the distinct prime numbers
The prime factorization of 20245438 is 2 × 37 × 47 × 5821.
Since it has a total of 4 prime factors.
2 , 4 , 33 , 60 , 48 , 327 , 2863 , 6198 , 11409 , 7221 , 257511 , 189348 , 9594605 , 5837747 , 7637160 , 87725216 , 568826257 , 690004367 , 5435077627 , 8589058451
n×2
40490876
n×3
60736314
n×4
80981752
n×5
101227190
n÷2
10122719
n÷3
6748479.3333333
n÷3
5061359.5
n÷5
4049087.6
n2
409877759811844
n3
8.2981547738496E+21
n4
1.6799977798838E+29
n5
3.4012290892774E+36
2 √n
4499.4930825594
3 √n
272.54761898227
4 √n
67.078260879061
5 √n
28.924471700039
1 , 2 , 37 , 47 , 74 , 94 , 1739 , 3478 , 5821 , 11642 , 215377 , 273587 , 430754 , 547174 , 10122719 , 20245438
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
-20245437
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 20245438 can be divided by 16 positive divisors.
The sum of these divisors (counting 20245438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001110101110111110
3
Ternary
1102002120112001
4
Quaternary
1031032232332
5
Quinary
20140323223
6
Senary
2001532514
8
Octal
115165676
10
Decimal
20245438
12
Duodecimal
694413a
16
Hexadecimal
134ebbe
20
Vigesimal
66adbi
36
Base36
c1xha
md5
270624b7aaddc19ee7ae25c846f37dd3
sha1
c432f6fe210d4258978b3f7101b512d521322989
sha256
7e102b9618ea32550997082a9b866fe5d3ede8902bf48e6b8fbf40e20f15e310
sha512
8292b3a02e8f1e09de533b1083be93a2f8a2a91e9298480245ccccfc09ed2f0591c87f1a9e7990a96a8bd1c1a9e47c24e47f57aeff683d6ad7ae0cc817d15f5e
ripemd-160
1ba22e241a0485f8e2efa515ee16017234852342
Diameter
40490876
Circumference
127205838.57902
Area
1.2876689590947E+15
Volume
3.4759229434503E+22
Surface area
5.1506758363789E+15
Circumference
127205838.57902
Perimeter
80981752
Area
409877759811844
Diagonal
28631372.995784
Surface area
2459266558871064
Volume
8.2981547738496E+21
Space diagonal
35066127.237486
Perimeter
60736314
Area
1.7748227622166E+14
Altitude
17533063.618743
Surface area
1.7748227622166E+14
Volume
9.7794691865409E+20
Height
9543790.9985945