20485938 is an even 8-digits composite number following 20485937
and preceding 20485939 . In scientific notation, it is written as 2.0485938 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 6039360 positive integers (up to 20485938) that are relatively prime to 20485938.
20485938 has 32 divisors, whose sum is 45910080
The reverse of 20485938 is 83958402
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million four hundred eighty-five thousand nine hundred thirty-eight
Scientific notation
2.0485938 × 10^7
Engineering notation
2.0485938 × 10^6
Prime Factorization
2 × 3 × 11 × 37 × 8389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20485938
Product of the distinct prime numbers
The prime factorization of 20485938 is 2 × 3 × 11 × 37 × 8389.
Since it has a total of 5 prime factors.
7 , 9 , 13 , 19 , 592 , 190 , 7595 , 4802 , 37304 , 51943 , 331909 , 898191 , 2750164 , 3493516 , 73194283 , 40833875 , 871890931 , 443411251 , 4837559918 , 1177846387
n×2
40971876
n×3
61457814
n×4
81943752
n×5
102429690
n÷2
10242969
n÷3
6828646
n÷3
5121484.5
n÷5
4097187.6
n2
419673655739844
n3
8.5974084917198E+21
n4
1.7612597732205E+29
n5
3.6081058516088E+36
2 √n
4526.1394145563
3 √n
273.62259119741
4 √n
67.276588903989
5 √n
28.992867501247
1 , 2 , 3 , 6 , 11 , 22 , 33 , 37 , 66 , 74 , 111 , 222 , 407 , 814 , 1221 , 2442 , 8389 , 16778 , 25167 , 50334 , 92279 , 184558 , 276837 , 310393 , 553674 , 620786 , 931179 , 1862358 , 3414323 , 6828646 , 10242969 , 20485938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20485937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20485938 can be divided by 32 positive divisors.
The sum of these divisors (counting 20485938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001001011100110010
3
Ternary
1102112210102110
4
Quaternary
1032021130302
5
Quinary
20221022223
6
Senary
2011030150
8
Octal
116113462
10
Decimal
20485938
12
Duodecimal
6a3b356
16
Hexadecimal
1389732
20
Vigesimal
680egi
36
Base36
c731u
md5
f734e99472d9670e67b3990994e44274
sha1
ac80a7061bca409d1bfed9b31eda9c1ed2e63d87
sha256
2f263b4599c7dd085f160d116cfa5f73a6430b5285a438b991d64ff98f0a23a6
sha512
2a3d8b7553eccd5ce92079333905d6def2d4421df176f99645540f30a1b74570d0e1c314cf237535ada05f1409414aebad37e605abcb08587edafb58b060949f
ripemd-160
6916fc5e51cb3ed9c328625ff0b8f2d829352f82
Diameter
40971876
Circumference
128716944.64539
Area
1.3184436737775E+15
Volume
3.6012740476663E+22
Surface area
5.2737746951099E+15
Circumference
128716944.64539
Perimeter
81943752
Area
419673655739844
Diagonal
28971491.357534
Surface area
2518041934439064
Volume
8.5974084917198E+21
Space diagonal
35482685.456706
Perimeter
61457814
Area
1.8172402358489E+14
Altitude
17741342.728353
Surface area
1.8172402358489E+14
Volume
1.013214307521E+21
Height
9657163.7858448