28565521 is an odd 8-digits composite number following 28565520
and preceding 28565522 . In scientific notation, it is written as 2.8565521 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 28303344 positive integers (up to 28565521) that are relatively prime to 28565521.
28565521 has 4 divisors, whose sum is 28827700
The reverse of 28565521 is 12556582
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million five hundred sixty-five thousand five hundred twenty-one
Scientific notation
2.8565521 × 10^7
Engineering notation
2.8565521 × 10^6
Prime Factorization
109 × 262069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28565521
Product of the distinct prime numbers
The prime factorization of 28565521 is 109 × 262069.
Since it has a total of 2 prime factors.
8 , 10 , 81 , 53 , 771 , 73 , 8811 , 1662 , 62652 , 35166 , 475810 , 676019 , 1281611 , 6507463 , 4017816 , 74099298 , 974938386 , 342764988 , 7689397283 , 2228473490
n×2
57131042
n×3
85696563
n×4
114262084
n×5
142827605
n÷2
14282760.5
n÷3
9521840.3333333
n÷3
7141380.25
n÷5
5713104.2
n2
815988990001441
n3
2.3309150629655E+22
n4
6.6583803180357E+29
n5
1.9020010280084E+37
2 √n
5344.672206974
3 √n
305.68963718896
4 √n
73.107265076557
5 √n
30.986207862269
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
-28565520
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 28565521 can be divided by 4 positive divisors.
The sum of these divisors (counting 28565521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111110000000010001
3
Ternary
1222202021112021
4
Quaternary
1230332000101
5
Quinary
24303044041
6
Senary
2500131441
8
Octal
154760021
10
Decimal
28565521
12
Duodecimal
9696b81
16
Hexadecimal
1b3e011
20
Vigesimal
8iadg1
36
Base36
h09ap
md5
a3cfec217767ee8da1d8b849ed5e3c3e
sha1
29e27142cbd5c3c67a62a872af347a482e804844
sha256
5992f5b6a15a6b5f56910567b9a87c056d91125324159eb8aba450e5ab49a60e
sha512
2157cf02da735a0d7a95ca4af2f4d08e22b7437fb1b3b9ec58ee761cb71f974da036edd63a8b6ea764e679a618c96eadd69c886b7668f4200a5b9c9449fbf84c
ripemd-160
6a7a6204866fd03dcb5bda570f4d625f626fa7ba
Diameter
57131042
Circumference
179482461.83913
Area
2.5635050163987E+15
Volume
9.7637141839389E+22
Surface area
1.0254020065595E+16
Circumference
179482461.83913
Perimeter
114262084
Area
815988990001441
Diagonal
40397747.214453
Surface area
4895933940008646
Volume
2.3309150629655E+22
Space diagonal
49476933.716676
Perimeter
85696563
Area
3.5333359727483E+14
Altitude
24738466.858338
Surface area
3.5333359727483E+14
Volume
2.7470097456546E+21
Height
13465915.738151