28931248 is an even 8-digits composite number following 28931247
and preceding 28931249 . In scientific notation, it is written as 2.8931248 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 14321600 positive integers (up to 28931248) that are relatively prime to 28931248.
28931248 has 20 divisors, whose sum is 56612448
The reverse of 28931248 is 84213982
Previous prime number is 17903
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million nine hundred thirty-one thousand two hundred forty-eight
Scientific notation
2.8931248 × 10^7
Engineering notation
2.8931248 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17903 × 101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3616406
Product of the distinct prime numbers
The prime factorization of 28931248 is 2 × 2 × 2 × 2 × 17903 × 101.
Since it has a total of 6 prime factors.
10 , 4 , 50 , 94 , 630 , 771 , 1068 , 8485 , 17829 , 18885 , 584653 , 441716 , 8207231 , 5288369 , 30641799 , 72488442 , 614309721 , 697175805 , 3907700120 , 5961663614
n×2
57862496
n×3
86793744
n×4
115724992
n×5
144656240
n÷2
14465624
n÷3
9643749.3333333
n÷3
7232812
n÷5
5786249.6
n2
837017110837504
n3
2.4215949613883E+22
n4
7.0059764383476E+29
n5
2.0269164181999E+37
2 √n
5378.7775562854
3 √n
306.98869972942
4 √n
73.340149688185
5 √n
31.065148472751
1 , 2 , 4 , 8 , 16 , 101 , 202 , 404 , 808 , 1616 , 17903 , 35806 , 71612 , 143224 , 286448 , 1808203 , 3616406 , 7232812 , 14465624 , 28931248
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931247
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931248 can be divided by 20 positive divisors.
The sum of these divisors (counting 28931248) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110010111010010110000
3
Ternary
2000102212012201
4
Quaternary
1232113102300
5
Quinary
24401244443
6
Senary
2512032544
8
Octal
156272260
10
Decimal
28931248
12
Duodecimal
9832754
16
Hexadecimal
1b974b0
20
Vigesimal
90g828
36
Base36
h83hs
md5
95c783304f2f1c2d25843f6771255d5a
sha1
71dc8f8dc5b6b8345345e6cd52040affb00f0ae5
sha256
b3d56c7ca8677960e0436fbf12906f752f1db83124b767156b35f02dea5cbe09
sha512
7be0fd9abbdbe0029e23a4177b5df72deb5744865e40f813c4df7976debb8d30bb2663fa2b1fb1ff2397ea792288b9d3f16e45c0988ff1e846bd31720f8d4b19
ripemd-160
c02c6ed16ab671cdf3484ba2ff01d6dae9460db5
Diameter
57862496
Circumference
181780392.35197
Area
2.6295668063361E+15
Volume
1.0143553254224E+23
Surface area
1.0518267225344E+16
Circumference
181780392.35197
Perimeter
115724992
Area
837017110837504
Diagonal
40914963.297979
Surface area
5022102665025024
Volume
2.4215949613883E+22
Space diagonal
50110391.462375
Perimeter
86793744
Area
3.6243904069377E+14
Altitude
25055195.731188
Surface area
3.6243904069377E+14
Volume
2.8538770308081E+21
Height
13638321.099326