28931835 is an odd 8-digits composite number following 28931834
and preceding 28931836 . In scientific notation, it is written as 2.8931835 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 14932320 positive integers (up to 28931835) that are relatively prime to 28931835.
28931835 has 16 divisors, whose sum is 47784960
The reverse of 28931835 is 53813982
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million nine hundred thirty-one thousand eight hundred thirty-five
Scientific notation
2.8931835 × 10^7
Engineering notation
2.8931835 × 10^6
Prime Factorization
3 × 5 × 31 × 62219
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931835
Product of the distinct prime numbers
The prime factorization of 28931835 is 3 × 5 × 31 × 62219.
Since it has a total of 4 prime factors.
7 , 9 , 14 , 8 , 263 , 447 , 7607 , 9658 , 71658 , 93891 , 857840 , 549406 , 7430226 , 8403 , 19253272 , 41822689 , 476613075 , 553049451 , 8930804914 , 8328885527
n×2
57863670
n×3
86795505
n×4
115727340
n×5
144659175
n÷2
14465917.5
n÷3
9643945
n÷3
7232958.75
n÷5
5786367
n2
837051076467225
n3
2.4217423630922E+22
n4
7.0065450461494E+29
n5
2.0271220519526E+37
2 √n
5378.8321223106
3 √n
306.99077592915
4 √n
73.340521693744
5 √n
31.065274530875
1 , 3 , 5 , 15 , 31 , 93 , 155 , 465 , 62219 , 186657 , 311095 , 933285 , 1928789 , 5786367 , 9643945 , 28931835
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
-28931834
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 28931835 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931835) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111011011111011
3
Ternary
2000102220000110
4
Quaternary
1232113123323
5
Quinary
24401304320
6
Senary
2512035403
8
Octal
156273373
10
Decimal
28931835
12
Duodecimal
9832b63
16
Hexadecimal
1b976fb
20
Vigesimal
90g9bf
36
Base36
h83y3
md5
caf040688250627f3b9dfbf5316ab6ab
sha1
b6f579858eb233382452d4b84249cea6a38411ad
sha256
63b1646418feb1296cce5a46baa7dd07a0aa95d61fb87660a8b6c669cef108eb
sha512
d732103ef36494425dd8aceb3727ed7572f5e01bf9282827bb6a82f2e05714db9c6f600ea1ed051d3a8bf8e9e39c51cac86ee2632956126b63dab984dbc58946
ripemd-160
fe944b1d75d2a5887893bbdd8ff38a53cab5b942
Diameter
57863670
Circumference
181784080.58174
Area
2.6296735125089E+15
Volume
1.0144170689037E+23
Surface area
1.0518694050035E+16
Circumference
181784080.58174
Perimeter
115727340
Area
837051076467225
Diagonal
40915793.441341
Surface area
5022306458803350
Volume
2.4217423630922E+22
Space diagonal
50111408.1762
Perimeter
86795505
Area
3.6245374824286E+14
Altitude
25055704.0881
Surface area
3.6245374824286E+14
Volume
2.8540507453821E+21
Height
13638597.81378