28201405 is an odd 8-digits composite number following 28201404
and preceding 28201406 . In scientific notation, it is written as 2.8201405 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 22561120 positive integers (up to 28201405) that are relatively prime to 28201405.
28201405 has 4 divisors, whose sum is 33841692
The reverse of 28201405 is 50410282
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-eight million two hundred one thousand four hundred five
Scientific notation
2.8201405 × 10^7
Engineering notation
2.8201405 × 10^6
Prime Factorization
5 × 5640281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28201405
Product of the distinct prime numbers
The prime factorization of 28201405 is 5 × 5640281.
Since it has a total of 2 prime factors.
2 , 4 , 23 , 36 , 143 , 455 , 5833 , 9981 , 53600 , 81177 , 439933 , 312740 , 3578753 , 8276909 , 32384032 , 82067457 , 420560728 , 271620691 , 209373505 , 4989778163
n×2
56402810
n×3
84604215
n×4
112805620
n×5
141007025
n÷2
14100702.5
n÷3
9400468.3333333
n÷3
7050351.25
n÷5
5640281
n2
795319243974025
n3
2.2429120103605E+22
n4
6.3253269983541E+29
n5
1.7838310843802E+37
2 √n
5310.4995056962
3 √n
304.38523486786
4 √n
72.873174115694
5 √n
30.906807635666
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
-28201404
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 28201405 can be divided by 4 positive divisors.
The sum of these divisors (counting 28201405) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011100101000110111101
3
Ternary
1222001210001111
4
Quaternary
1223211012331
5
Quinary
24204421110
6
Senary
2444242021
8
Octal
153450675
10
Decimal
28201405
12
Duodecimal
9540311
16
Hexadecimal
1ae51bd
20
Vigesimal
8g53a5
36
Base36
gsgcd
md5
96ef6e55634c21da9d0d335a130abb69
sha1
3031ff94b6dee2be39055a34f3eb44c8ff77a9cb
sha256
c955dbea011357e20ec16e8f6af1027ec51bec95de7cad70c61679de4d7445aa
sha512
a21588f1acc3984e397533f355a73914980614839ec8234918ba69a2fdf68bf7dd3aa7fd02eb758acc770791e0240de046ca552f871b3063781d8c55d02c4b62
ripemd-160
1aca71317ccb7d8aafa1e6051942c675e54903f3
Diameter
56402810
Circumference
177194653.53782
Area
2.4985690941274E+15
Volume
9.3950878591959E+22
Surface area
9.9942763765095E+15
Circumference
177194653.53782
Perimeter
112805620
Area
795319243974025
Diagonal
39882809.428976
Surface area
4771915463844150
Volume
2.2429120103605E+22
Space diagonal
48846266.304827
Perimeter
84604215
Area
3.4438333470007E+14
Altitude
24423133.152413
Surface area
3.4438333470007E+14
Volume
2.6432971535511E+21
Height
13294269.809659