20028639 is an odd 8-digits composite number following 20028638
and preceding 20028640 . In scientific notation, it is written as 2.0028639 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13352424 positive integers (up to 20028639) that are relatively prime to 20028639.
20028639 has 4 divisors, whose sum is 26704856
The reverse of 20028639 is 93682002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million twenty-eight thousand six hundred thirty-nine
Scientific notation
2.0028639 × 10^7
Engineering notation
2.0028639 × 10^6
Prime Factorization
3 × 6676213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20028639
Product of the distinct prime numbers
The prime factorization of 20028639 is 3 × 6676213.
Since it has a total of 2 prime factors.
5 , 3 , 90 , 93 , 808 , 924 , 3091 , 4401 , 24898 , 16581 , 652378 , 338892 , 9829746 , 4112167 , 63623645 , 73221453 , 584090088 , 639240534 , 6792125454 , 335642644
n×2
40057278
n×3
60085917
n×4
80114556
n×5
100143195
n÷2
10014319.5
n÷3
6676213
n÷3
5007159.75
n÷5
4005727.8
n2
401146380192321
n3
8.0344160350287E+21
n4
1.609184183414E+29
n5
3.2229769094109E+36
2 √n
4475.3367471063
3 √n
271.57126354261
4 √n
66.897957719995
5 √n
28.862256885562
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20028638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20028639 can be divided by 4 positive divisors.
The sum of these divisors (counting 20028639) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011001110011011111
3
Ternary
1101200120010110
4
Quaternary
1030121303133
5
Quinary
20111404024
6
Senary
1553141103
8
Octal
114316337
10
Decimal
20028639
12
Duodecimal
685a793
16
Hexadecimal
1319cdf
20
Vigesimal
653bbj
36
Base36
bxa73
md5
4810582a56388ee59a39bec498a29642
sha1
cc8a6d2ff92e2037ce07e44a09894ae69f574f3f
sha256
b02d3332aaaa1d6990d575c7c1ab0b3ef02bdcbaff6bb3d59655a963679d8f3a
sha512
50db4dde62a602645c01fb0c9587377f313c1cc1dd71aef5f0f953c8ddeec548dcaec704f606c785bd038ee23eafd4d8ab5a24b1296bde7f27f272a08690550f
ripemd-160
5a72712be0cd210f1f94e7061025f8fadedd3792
Diameter
40057278
Circumference
125843650.2876
Area
1.2602385210263E+15
Volume
3.3654483188707E+22
Surface area
5.0409540841053E+15
Circumference
125843650.2876
Perimeter
80114556
Area
401146380192321
Diagonal
28324772.909675
Surface area
2406878281153926
Volume
8.0344160350287E+21
Space diagonal
34690620.354456
Perimeter
60085917
Area
1.7370147794136E+14
Altitude
17345310.177228
Surface area
1.7370147794136E+14
Volume
9.4686501020713E+20
Height
9441590.9698916