28281372 is an even 8-digits composite number following 28281371
and preceding 28281373 . In scientific notation, it is written as 2.8281372 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 8080368 positive integers (up to 28281372) that are relatively prime to 28281372.
28281372 has 24 divisors, whose sum is 75417216
The reverse of 28281372 is 27318282
Previous prime number is 3
Is Prime? no Number parity even Number length 8 Sum of Digits 33 Digital Root 6
Name
twenty-eight million two hundred eighty-one thousand three hundred seventy-two
Scientific notation
2.8281372 × 10^7
Engineering notation
2.8281372 × 10^6
Prime Factorization
2 × 2 × 7 × 3 × 336683
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
14140686 Product of the distinct prime numbers
The prime factorization of 28281372 is 2 × 2 × 7 × 3 × 336683.
Since it has a total of 5 prime factors.
9 , 8 , 88 , 91 , 441 , 331 , 9063 , 7329 , 8392 , 1988 , 454819 , 827638 , 6139980 , 2733103 , 33988140 , 98468160 , 419917651 , 902025317 , 5585386217 , 6176856281
n×2
56562744
n×3
84844116
n×4
113125488
n×5
141406860
n÷2
14140686
n÷3
9427124
n÷3
7070343
n÷5
5656274.4
n2
799836002202384
n3
2.2620459517278E+22
n4
6.3973763041909E+29
n5
1.8092657908281E+37
2 √n5318.0233169854
3 √n304.67266503445
4 √n72.924778484308
5 √n30.92431545966
1 , 2 , 3 , 4 , 6 , 7 , 12 , 14 , 21 , 28 , 42 , 84 , 336683 , 673366 , 1010049 , 1346732 , 2020098 , 2356781 , 4040196 , 4713562 , 7070343 , 9427124 , 14140686 , 28281372
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28281371 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28281372 can be divided by 24 positive divisors.
The sum of these divisors (counting 28281372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011111000101000011100
3
Ternary
1222012211202020
4
Quaternary
1223320220130
5
Quinary
24220000442
6
Senary
2450100140
8
Octal
153705034
10
Decimal
28281372
12
Duodecimal
957a650
16
Hexadecimal
1af8a1c
20
Vigesimal
8gf38c
36
Base36
gu61o
md5
0673581e1fe2d313e3a994caae2ab65f
sha1
7747a04f985cb1dcb97ad9fabf1d83fcf310fc5d
sha256
53242538f0a1e3d6ceacde2814e8801abbf462d47b697bc5bc4430be6414fc5e
sha512
1df7ddb58a7082acd2921699682f37be58e928e4a4aece47cb52cce25a11515cb9f238892a1660c6924cd78b2723c24d60d8d60b6d089e12eff6778e7424f19d
ripemd-160
79de27d3bbdbeede0590e5df102ba43b62f8e401
Diameter
56562744
Circumference
177697101.01728
Area
2.5127589085956E+15
Volume
9.4752359253743E+22
Surface area
1.0051035634383E+16
Circumference
177697101.01728
Perimeter
113125488
Area
799836002202384
Diagonal
39995899.844919
Surface area
4799016013214304
Volume
2.2620459517278E+22
Space diagonal
48984773.211756
Perimeter
84844116
Area
3.4633914838433E+14
Altitude
24492386.605878
Surface area
3.4633914838433E+14
Volume
2.6658467197039E+21
Height
13331966.614973