28233721 is an odd 8-digits composite number following 28233720
and preceding 28233722 . In scientific notation, it is written as 2.8233721 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 28177744 positive integers (up to 28233721) that are relatively prime to 28233721.
28233721 has 4 divisors, whose sum is 28289700
The reverse of 28233721 is 12733282
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million two hundred thirty-three thousand seven hundred twenty-one
Scientific notation
2.8233721 × 10^7
Engineering notation
2.8233721 × 10^6
Prime Factorization
509 × 55469
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28233721
Product of the distinct prime numbers
The prime factorization of 28233721 is 509 × 55469.
Since it has a total of 2 prime factors.
7 , 2 , 100 , 7 , 741 , 299 , 3324 , 5710 , 584 , 81456 , 564384 , 5201 , 3330951 , 5256135 , 38359777 , 67541667 , 574168663 , 731717730 , 5758636940 , 6890158484
n×2
56467442
n×3
84701163
n×4
112934884
n×5
141168605
n÷2
14116860.5
n÷3
9411240.3333333
n÷3
7058430.25
n÷5
5646744.2
n2
797143001505841
n3
2.2506313101618E+22
n4
6.3543696484974E+29
n5
1.7940749978654E+37
2 √n
5313.5412861857
3 √n
304.50145553628
4 √n
72.894041499876
5 √n
30.913887615597
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
-28233720
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 28233721 can be divided by 4 positive divisors.
The sum of these divisors (counting 28233721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101100111111111001
3
Ternary
1222010102101101
4
Quaternary
1223230333321
5
Quinary
24211434341
6
Senary
2445051401
8
Octal
153547771
10
Decimal
28233721
12
Duodecimal
9556b61
16
Hexadecimal
1aecff9
20
Vigesimal
8g9461
36
Base36
gt5a1
md5
acbd56f313cd8217e9faa110ef4207c8
sha1
b2e31b6dfcaf1fa3322b40e1eca9a44ee67d2884
sha256
de6bd846ff756056074655b404c6e329e11408c6c9cdcf5d23ba7f7b169fc56e
sha512
9ec89ae2c36ec6b129aa0ba05a9b9773b3dfbff1a84c72fc5a4f452975283f4eb2502a67ad7c558431dce84a306530080974647b22353c22621c7024fdf75d7d
ripemd-160
7978f5eb6d435a251957a7f689b7bc595e903ebf
Diameter
56467442
Circumference
177397700.95421
Area
2.5042985973913E+15
Volume
9.4274223865915E+22
Surface area
1.0017194389565E+16
Circumference
177397700.95421
Perimeter
112934884
Area
797143001505841
Diagonal
39928511.154458
Surface area
4782858009035046
Volume
2.2506313101618E+22
Space diagonal
48902239.258724
Perimeter
84701163
Area
3.4517304487652E+14
Altitude
24451119.629362
Surface area
3.4517304487652E+14
Volume
2.6523944356103E+21
Height
13309503.718153