28931841 is an odd 8-digits composite number following 28931840
and preceding 28931842 . In scientific notation, it is written as 2.8931841 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 18059136 positive integers (up to 28931841) that are relatively prime to 28931841.
28931841 has 16 divisors, whose sum is 34214400
The reverse of 28931841 is 14813982
Previous prime number is 719
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred thirty-one thousand eight hundred forty-one
Scientific notation
2.8931841 × 10^7
Engineering notation
2.8931841 × 10^6
Prime Factorization
9 × 17 × 719 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931841
Product of the distinct prime numbers
The prime factorization of 28931841 is 9 × 17 × 719 × 263.
Since it has a total of 4 prime factors.
8 , 4 , 36 , 24 , 251 , 219 , 4803 , 2540 , 50614 , 38383 , 224385 , 447563 , 7267875 , 5816738 , 4483336 , 36500082 , 183664961 , 900035724 , 6718899123 , 1232595945
n×2
57863682
n×3
86795523
n×4
115727364
n×5
144659205
n÷2
14465920.5
n÷3
9643947
n÷3
7232960.25
n÷5
5786368.2
n2
837051423649281
n3
2.4217438697845E+22
n4
7.0065508583329E+29
n5
2.027124153917E+37
2 √n
5378.8326800524
3 √n
306.99079715081
4 √n
73.340525496157
5 √n
31.065275819363
1 , 9 , 17 , 153 , 263 , 719 , 2367 , 4471 , 6471 , 12223 , 40239 , 110007 , 189097 , 1701873 , 3214649 , 28931841
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
-28931840
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 28931841 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931841) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111011100000001
3
Ternary
2000102220000200
4
Quaternary
1232113130001
5
Quinary
24401304331
6
Senary
2512035413
8
Octal
156273401
10
Decimal
28931841
12
Duodecimal
9832b69
16
Hexadecimal
1b97701
20
Vigesimal
90g9c1
36
Base36
h83y9
md5
5293d32f1690521f549770636b4c8f52
sha1
69eda0cf13a21ba0735457a939e6e6af03b81613
sha256
958417299e47b5c9e408ac642e39e140abde72688f6d3807c7d313567461dcf6
sha512
1b99373e2dc6e5df9a2f25befcfeccbce979aede970f14b301358ce5ba2e9fd382c2f5c862d1b504153ab331f0487cd9f97e0ed16db93def844f0d51dc24328e
ripemd-160
574074008dbe33249dc06bece3a020a7e2f1833e
Diameter
57863682
Circumference
181784118.28086
Area
2.6296746032135E+15
Volume
1.0144177000255E+23
Surface area
1.0518698412854E+16
Circumference
181784118.28086
Perimeter
115727364
Area
837051423649281
Diagonal
40915801.926622
Surface area
5022308541895686
Volume
2.4217438697845E+22
Space diagonal
50111418.568504
Perimeter
86795523
Area
3.624538985771E+14
Altitude
25055709.284252
Surface area
3.624538985771E+14
Volume
2.8540525210359E+21
Height
13638600.642207