28757984 is an even 8-digits composite number following 28757983
and preceding 28757985 . In scientific notation, it is written as 2.8757984 × 10^7.
The sum of its digits is 50. It has a total of 7 prime factors and 24 positive divisors.
There are 14072320 positive integers (up to 28757984) that are relatively prime to 28757984.
28757984 has 24 divisors, whose sum is 57824928
The reverse of 28757984 is 48975782
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million seven hundred fifty-seven thousand nine hundred eighty-four
Scientific notation
2.8757984 × 10^7
Engineering notation
2.8757984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 47 × 19121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1797374
Product of the distinct prime numbers
The prime factorization of 28757984 is 2 × 2 × 2 × 2 × 2 × 47 × 19121.
Since it has a total of 7 prime factors.
10 , 6 , 11 , 59 , 643 , 343 , 3924 , 8705 , 54549 , 90686 , 883201 , 59568 , 5541512 , 5596917 , 87848361 , 24871884 , 509009329 , 511554768 , 1535351266 , 6453389275
n×2
57515968
n×3
86273952
n×4
115031936
n×5
143789920
n÷2
14378992
n÷3
9585994.6666667
n÷3
7189496
n÷5
5751596.8
n2
827021643744256
n3
2.3783475198451E+22
n4
6.8396479922145E+29
n5
1.9669448752574E+37
2 √n
5362.6471075393
3 √n
306.3746390351
4 √n
73.230097006213
5 √n
31.027850308007
1 , 2 , 4 , 8 , 16 , 32 , 47 , 94 , 188 , 376 , 752 , 1504 , 19121 , 38242 , 76484 , 152968 , 305936 , 611872 , 898687 , 1797374 , 3594748 , 7189496 , 14378992 , 28757984
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28757983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28757984 can be divided by 24 positive divisors.
The sum of these divisors (counting 28757984) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101101100111111100000
3
Ternary
2000010001112112
4
Quaternary
1231230333200
5
Quinary
24330223414
6
Senary
2504214452
8
Octal
155547740
10
Decimal
28757984
12
Duodecimal
976a428
16
Hexadecimal
1b6cfe0
20
Vigesimal
8jeej4
36
Base36
h4dsw
md5
f450d72b0e59d679d6627b8a0dacbb30
sha1
cd364cbe7be5e8711eb7a96e7413e9930afda469
sha256
ea8b2103f3882d653ad902b5f2142a018459d5a5af08eff3e98bfd1cd272716a
sha512
cd5a91203f9f26f4d28c0942ac76f43736cdca734172139d7a15ccc0a775d34370079c9e57a09be36af931f4844f39debc372b3944c1b62ab9654ea2c0af5cb7
ripemd-160
e89a12c7ec4878e2c14ea2407b3d86b4f09aaf5e
Diameter
57515968
Circumference
180691742.53291
Area
2.5981651203467E+15
Volume
9.9623987947052E+22
Surface area
1.0392660481387E+16
Circumference
180691742.53291
Perimeter
115031936
Area
827021643744256
Diagonal
40669930.999308
Surface area
4962129862465536
Volume
2.3783475198451E+22
Space diagonal
49810289.411253
Perimeter
86273952
Area
3.5811087648104E+14
Altitude
24905144.705626
Surface area
3.5811087648104E+14
Volume
2.8029094321678E+21
Height
13556643.666436