20390628 is an even 8-digits composite number following 20390627
and preceding 20390629 . In scientific notation, it is written as 2.0390628 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6796872 positive integers (up to 20390628) that are relatively prime to 20390628.
20390628 has 12 divisors, whose sum is 47578160
The reverse of 20390628 is 82609302
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred ninety thousand six hundred twenty-eight
Scientific notation
2.0390628 × 10^7
Engineering notation
2.0390628 × 10^6
Prime Factorization
2 × 2 × 3 × 1699219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10195314
Product of the distinct prime numbers
The prime factorization of 20390628 is 2 × 2 × 3 × 1699219.
Since it has a total of 4 prime factors.
1 , 7 , 58 , 83 , 187 , 697 , 5212 , 6433 , 82615 , 17129 , 34106 , 313123 , 2263619 , 9130415 , 22091076 , 52001800 , 861801395 , 349310572 , 2523729074 , 3893711337
n×2
40781256
n×3
61171884
n×4
81562512
n×5
101953140
n÷2
10195314
n÷3
6796876
n÷3
5097657
n÷5
4078125.6
n2
415777710234384
n3
8.4779686200811E+21
n4
1.7287110432775E+29
n5
3.5249503802963E+36
2 √n
4515.598299229
3 √n
273.19759206205
4 √n
67.198201607104
5 √n
28.965839526455
1 , 2 , 3 , 4 , 6 , 12 , 1699219 , 3398438 , 5097657 , 6796876 , 10195314 , 20390628
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20390627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20390628 can be divided by 12 positive divisors.
The sum of these divisors (counting 20390628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110010001011100100
3
Ternary
1102100221200110
4
Quaternary
1031302023210
5
Quinary
20210000003
6
Senary
2005013020
8
Octal
115621344
10
Decimal
20390628
12
Duodecimal
69b4170
16
Hexadecimal
13722e4
20
Vigesimal
678gb8
36
Base36
c51ic
md5
10b6f6a045a6ce0a21fdd30d244e63d7
sha1
d1444d0a32dc3340ca6d392663261f64d88c143d
sha256
e2f865120a75afd89af71a6155aa357726e73824d7f7b3df05e60a9c619dea20
sha512
b1ccbc9a48accf6566dbc5e8fee739612fe7b76c30b7bb3d1bc6aa1a7007ec34e5851564057d3ffdf37331a97bd83af649b6dd65918c2dd50faa7da94724f308
ripemd-160
8c7bf4ca0848d0010365aeba67ee099c2c3a429e
Diameter
40781256
Circumference
128118094.25376
Area
1.3062041999987E+15
Volume
3.5512431912282E+22
Surface area
5.2248167999949E+15
Circumference
128118094.25376
Perimeter
81562512
Area
415777710234384
Diagonal
28836702.662905
Surface area
2494666261406304
Volume
8.4779686200811E+21
Space diagonal
35317603.694237
Perimeter
61171884
Area
1.8003702969515E+14
Altitude
17658801.847118
Surface area
1.8003702969515E+14
Volume
9.9913818365769E+20
Height
9612234.2209682