28390045 is an odd 8-digits composite number following 28390044
and preceding 28390046 . In scientific notation, it is written as 2.8390045 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 22692864 positive integers (up to 28390045) that are relatively prime to 28390045.
28390045 has 8 divisors, whose sum is 34096824
The reverse of 28390045 is 54009382
Previous prime number is 2657
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million three hundred ninety thousand forty-five
Scientific notation
2.8390045 × 10^7
Engineering notation
2.8390045 × 10^6
Prime Factorization
5 × 2657 × 2137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28390045
Product of the distinct prime numbers
The prime factorization of 28390045 is 5 × 2657 × 2137.
Since it has a total of 3 prime factors.
5 , 5 , 37 , 86 , 576 , 985 , 6573 , 6250 , 88730 , 1960 , 885588 , 999473 , 1866010 , 274560 , 98148885 , 74841080 , 564907628 , 283247042 , 8219852150 , 6386425874
n×2
56780090
n×3
85170135
n×4
113560180
n×5
141950225
n÷2
14195022.5
n÷3
9463348.3333333
n÷3
7097511.25
n÷5
5678009
n2
805994655102025
n3
2.2882224528106E+22
n4
6.4962738405303E+29
n5
1.8442950666498E+37
2 √n
5328.2309446945
3 √n
305.06240772582
4 √n
72.994732307849
5 √n
30.948044751317
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
-28390044
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 28390045 can be divided by 8 positive divisors.
The sum of these divisors (counting 28390045) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010011001010011101
3
Ternary
1222102100211011
4
Quaternary
1230103022131
5
Quinary
24231440140
6
Senary
2452255221
8
Octal
154231235
10
Decimal
28390045
12
Duodecimal
9611511
16
Hexadecimal
1b1329d
20
Vigesimal
8h8f25
36
Base36
gwhwd
md5
7894db5f967f89482060798f5cc61107
sha1
5e132722c78aa129ed60ae812f30932235d9cd3d
sha256
1ef54d9f4f0d7b06bc7ecd908e62293114e892934981db5d3135b53e8f008967
sha512
67777e67a24b6c6943c32dc9559db7699a1cdce7839c134571176e72fca055c954ce381623fd23720d35bbf805e086c48d0f44de0d0e04a8d88bbd44606b9d1e
ripemd-160
1c21494e27b0d83e704d3ab270dffb5bd13f6de5
Diameter
56780090
Circumference
178379913.61417
Area
2.5321068873012E+15
Volume
9.5848837967053E+22
Surface area
1.0128427549205E+16
Circumference
178379913.61417
Perimeter
113560180
Area
805994655102025
Diagonal
40149586.675382
Surface area
4835967930612150
Volume
2.2882224528106E+22
Space diagonal
49173000.369167
Perimeter
85170135
Area
3.4900592331642E+14
Altitude
24586500.184583
Surface area
3.4900592331642E+14
Volume
2.6966960220761E+21
Height
13383195.558461