28931382 is an even 8-digits composite number following 28931381
and preceding 28931383 . In scientific notation, it is written as 2.8931382 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 9076416 positive integers (up to 28931382) that are relatively prime to 28931382.
28931382 has 16 divisors, whose sum is 58997952
The reverse of 28931382 is 28313982
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred thirty-one thousand three hundred eighty-two
Scientific notation
2.8931382 × 10^7
Engineering notation
2.8931382 × 10^6
Prime Factorization
2 × 3 × 51 × 94547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931382
Product of the distinct prime numbers
The prime factorization of 28931382 is 2 × 3 × 51 × 94547.
Since it has a total of 4 prime factors.
3 , 5 , 71 , 94 , 572 , 85 , 4028 , 6206 , 53722 , 86094 , 169344 , 378426 , 6340052 , 2088421 , 73880622 , 58689159 , 593984562 , 621197995 , 7266761338 , 619417386
n×2
57862764
n×3
86794146
n×4
115725528
n×5
144656910
n÷2
14465691
n÷3
9643794
n÷3
7232845.5
n÷5
5786276.4
n2
837024864429924
n3
2.421628609632E+22
n4
7.0061062367393E+29
n5
2.0269633586769E+37
2 √n
5378.790012633
3 √n
306.98917368549
4 √n
73.340234609885
5 √n
31.065177249403
1 , 2 , 3 , 6 , 51 , 102 , 153 , 306 , 94547 , 189094 , 283641 , 567282 , 4821897 , 9643794 , 14465691 , 28931382
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931381
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931382 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931382) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010100110110
3
Ternary
2000102212101200
4
Quaternary
1232113110312
5
Quinary
24401301012
6
Senary
2512033330
8
Octal
156272466
10
Decimal
28931382
12
Duodecimal
9832846
16
Hexadecimal
1b97536
20
Vigesimal
90g892
36
Base36
h83li
md5
43a1a570a40f59d5df46f53e33720dcc
sha1
4f70432852a7a9c614443603f4732ad256c7d5d4
sha256
33afaea0bc33e22db5b178170b02a30ac5e91ea73ec95709d57b0f09e0013b9e
sha512
751e302308a2bd3ba2376832ef9dd4afdad2262fd8b422c53485cab24478bb9aea9fa912f2ec45d06a1318ec39e31df917804da3ca52dc40568edfdc56a45a3e
ripemd-160
9df1db39454e6953a0e875006f48fdd213c3861b
Diameter
57862764
Circumference
181781234.2988
Area
2.629591164965E+15
Volume
1.0143694199657E+23
Surface area
1.051836465986E+16
Circumference
181781234.2988
Perimeter
115725528
Area
837024864429924
Diagonal
40915152.802597
Surface area
5022149186579544
Volume
2.421628609632E+22
Space diagonal
50110623.557184
Perimeter
86794146
Area
3.6244239809777E+14
Altitude
25055311.778592
Surface area
3.6244239809777E+14
Volume
2.8539166856436E+21
Height
13638384.267532