28409845 is an odd 8-digits composite number following 28409844
and preceding 28409846 . In scientific notation, it is written as 2.8409845 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 21302784 positive integers (up to 28409845) that are relatively prime to 28409845.
28409845 has 16 divisors, whose sum is 36267840
The reverse of 28409845 is 54890482
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred nine thousand eight hundred forty-five
Scientific notation
2.8409845 × 10^7
Engineering notation
2.8409845 × 10^6
Prime Factorization
5 × 19 × 97 × 3083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28409845
Product of the distinct prime numbers
The prime factorization of 28409845 is 5 × 19 × 97 × 3083.
Since it has a total of 4 prime factors.
4 , 8 , 62 , 88 , 992 , 683 , 5900 , 2836 , 59066 , 43799 , 522651 , 476460 , 1932265 , 3969179 , 32353431 , 99550041 , 856327256 , 468417678 , 1230799376 , 9154147198
n×2
56819690
n×3
85229535
n×4
113639380
n×5
142049225
n÷2
14204922.5
n÷3
9469948.3333333
n÷3
7102461.25
n÷5
5681969
n2
807119292924025
n3
2.2930134008481E+22
n4
6.5144155301018E+29
n5
1.8507353547578E+37
2 √n
5330.0886484185
3 √n
305.13331088933
4 √n
73.007456115239
5 √n
30.952360351466
1 , 5 , 19 , 95 , 97 , 485 , 1843 , 3083 , 9215 , 15415 , 58577 , 292885 , 299051 , 1495255 , 5681969 , 28409845
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
-28409844
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 28409845 can be divided by 16 positive divisors.
The sum of these divisors (counting 28409845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010111111111110101
3
Ternary
1222110100222111
4
Quaternary
1230113333311
5
Quinary
24233103340
6
Senary
2452531021
8
Octal
154277765
10
Decimal
28409845
12
Duodecimal
9620a71
16
Hexadecimal
1b17ff5
20
Vigesimal
8hb4c5
36
Base36
gwx6d
md5
4921504878c14910cd2130fa0aa63509
sha1
ddb79e173531b4b9fbafed39ae4bf6c9c5b2d4de
sha256
8363ff20298b6e60baa3063a5108803b16e19a11cb9d30d82850251bffe48057
sha512
2624d1094e9d9be151fcb869ef6a3e7744ac7e2a9d542f85be9a200f0effba259d053c710a66f26c1013bf4730ce26ad38a244e9690fd416e008f4cdd6a8e7fd
ripemd-160
b7d3c43111f617d691dd1c9bdb4ee6843f7a73c3
Diameter
56819690
Circumference
178504320.68325
Area
2.5356400412207E+15
Volume
9.6049520729165E+22
Surface area
1.0142560164883E+16
Circumference
178504320.68325
Perimeter
113639380
Area
807119292924025
Diagonal
40177588.103917
Surface area
4842715757544150
Volume
2.2930134008481E+22
Space diagonal
49207294.975157
Perimeter
85229535
Area
3.4949290577837E+14
Altitude
24603647.487578
Surface area
3.4949290577837E+14
Volume
2.7023422084855E+21
Height
13392529.367972