28207405 is an odd 8-digits composite number following 28207404
and preceding 28207406 . In scientific notation, it is written as 2.8207405 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 22421568 positive integers (up to 28207405) that are relatively prime to 28207405.
28207405 has 8 divisors, whose sum is 34065432
The reverse of 28207405 is 50470282
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million two hundred seven thousand four hundred five
Scientific notation
2.8207405 × 10^7
Engineering notation
2.8207405 × 10^6
Prime Factorization
5 × 157 × 35933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28207405
Product of the distinct prime numbers
The prime factorization of 28207405 is 5 × 157 × 35933.
Since it has a total of 3 prime factors.
7 , 6 , 38 , 21 , 660 , 844 , 3922 , 1211 , 3974 , 47831 , 9321 , 821902 , 5208466 , 1330167 , 35328562 , 47439602 , 315133165 , 507454574 , 7843193498 , 661559138
n×2
56414810
n×3
84622215
n×4
112829620
n×5
141037025
n÷2
14103702.5
n÷3
9402468.3333333
n÷3
7051851.25
n÷5
5641481
n2
795657696834025
n3
2.2443438895965E+22
n4
6.3307117053123E+29
n5
1.7857294900998E+37
2 √n
5311.0643942622
3 √n
304.40681986697
4 √n
72.87704984604
5 √n
30.908122641542
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
-28207404
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 28207405 can be divided by 8 positive divisors.
The sum of these divisors (counting 28207405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100110100100101101
3
Ternary
1222002002021201
4
Quaternary
1223212210231
5
Quinary
24210114110
6
Senary
2444325501
8
Octal
153464455
10
Decimal
28207405
12
Duodecimal
9543891
16
Hexadecimal
1ae692d
20
Vigesimal
8g5ia5
36
Base36
gskz1
md5
b38ae48e3daeb51b83ec011ba27b4320
sha1
688d2db9ba22f93d3c1871f8f08fbeabf9a938c0
sha256
69e10096bb0bfdced898219fe861ca918ee6a44c5ea7d7384c2f6f1a3385eabe
sha512
a0b932d6ea16bf3633f91cfa3243dabaf3285b9c1722644926b0f744ec45cea0aa3176f9db7a2878859d250e2f4be895c6548c23dc00e6028560d936d8b40ff1
ripemd-160
145bdf3a6ae9e887c2af452d52ae156593fe7200
Diameter
56414810
Circumference
177232352.64966
Area
2.4996323751459E+15
Volume
9.4010857009138E+22
Surface area
9.9985295005838E+15
Circumference
177232352.64966
Perimeter
112829620
Area
795657696834025
Diagonal
39891294.710351
Surface area
4773946181004150
Volume
2.2443438895965E+22
Space diagonal
48856658.609672
Perimeter
84622215
Area
3.4452988908744E+14
Altitude
24428329.304836
Surface area
3.4452988908744E+14
Volume
2.6449846394137E+21
Height
13297098.236784