28931441 is an odd 8-digits composite number following 28931440
and preceding 28931442 . In scientific notation, it is written as 2.8931441 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 22470480 positive integers (up to 28931441) that are relatively prime to 28931441.
28931441 has 16 divisors, whose sum is 36188160
The reverse of 28931441 is 14413982
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand four hundred forty-one
Scientific notation
2.8931441 × 10^7
Engineering notation
2.8931441 × 10^6
Prime Factorization
11 × 7 × 619 × 607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931441
Product of the distinct prime numbers
The prime factorization of 28931441 is 11 × 7 × 619 × 607.
Since it has a total of 4 prime factors.
9 , 3 , 55 , 71 , 494 , 474 , 7784 , 2608 , 13389 , 50413 , 228412 , 550135 , 2581966 , 8973058 , 81167348 , 37858133 , 958217657 , 776676800 , 322389565 , 7799779216
n×2
57862882
n×3
86794323
n×4
115725764
n×5
144657205
n÷2
14465720.5
n÷3
9643813.6666667
n÷3
7232860.25
n÷5
5786288.2
n2
837028278336481
n3
2.4216434250023E+22
n4
7.0061633873493E+29
n5
2.0269840267746E+37
2 √n
5378.795497135
3 √n
306.98938236718
4 √n
73.340272000689
5 √n
31.065189919686
1 , 7 , 11 , 77 , 607 , 619 , 4249 , 4333 , 6677 , 6809 , 46739 , 47663 , 375733 , 2630131 , 4133063 , 28931441
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
-28931440
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 28931441 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931441) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010101110001
3
Ternary
2000102212110212
4
Quaternary
1232113111301
5
Quinary
24401301231
6
Senary
2512033505
8
Octal
156272561
10
Decimal
28931441
12
Duodecimal
9832895
16
Hexadecimal
1b97571
20
Vigesimal
90g8c1
36
Base36
h83n5
md5
ada3893c2e73094e1fb88fd6456608ac
sha1
58ac301bbdeefdced57d51dc73a64fbb946eab3a
sha256
3e519478dad11c734a1ab50e90d313abe4a13d09a5418342a0b5bacf06ed9bac
sha512
f813958fdcba18903928956b6ab46005b1ce43aca253f506c79151119bef232f3b9885e2e4ceefdbcd18b36fde3242af44f38ce3e0d4c0dc442e21ca51af3ef9
ripemd-160
424f8d82b4990d8dd26b666487ec2413063985dd
Diameter
57862882
Circumference
181781605.00673
Area
2.6296018900688E+15
Volume
1.0143756258135E+23
Surface area
1.0518407560275E+16
Circumference
181781605.00673
Perimeter
115725764
Area
837028278336481
Diagonal
40915236.241197
Surface area
5022169670018886
Volume
2.4216434250023E+22
Space diagonal
50110725.748181
Perimeter
86794323
Area
3.6244387636267E+14
Altitude
25055362.874091
Surface area
3.6244387636267E+14
Volume
2.853934145725E+21
Height
13638412.080399