28508748 is an even 8-digits composite number following 28508747
and preceding 28508749 . In scientific notation, it is written as 2.8508748 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 9471120 positive integers (up to 28508748) that are relatively prime to 28508748.
28508748 has 24 divisors, whose sum is 66743040
The reverse of 28508748 is 84780582
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million five hundred eight thousand seven hundred forty-eight
Scientific notation
2.8508748 × 10^7
Engineering notation
2.8508748 × 10^6
Prime Factorization
2 × 2 × 3 × 311 × 7639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14254374
Product of the distinct prime numbers
The prime factorization of 28508748 is 2 × 2 × 3 × 311 × 7639.
Since it has a total of 5 prime factors.
2 , 2 , 65 , 27 , 42 , 624 , 6573 , 3443 , 52605 , 64709 , 661162 , 249353 , 9009264 , 3670012 , 77487956 , 96158486 , 937640271 , 819501338 , 9430091921 , 3322769049
n×2
57017496
n×3
85526244
n×4
114034992
n×5
142543740
n÷2
14254374
n÷3
9502916
n÷3
7127187
n÷5
5701749.6
n2
812748712527504
n3
2.3170448232771E+22
n4
6.6056046971512E+29
n5
1.883175196987E+37
2 √n
5339.3583884208
3 √n
305.48698696226
4 √n
73.070913422653
5 √n
30.973881252346
1 , 2 , 3 , 4 , 6 , 12 , 311 , 622 , 933 , 1244 , 1866 , 3732 , 7639 , 15278 , 22917 , 30556 , 45834 , 91668 , 2375729 , 4751458 , 7127187 , 9502916 , 14254374 , 28508748
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
-28508747
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 28508748 can be divided by 24 positive divisors.
The sum of these divisors (counting 28508748) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100110000001001001100
3
Ternary
1222122101122120
4
Quaternary
1230300021030
5
Quinary
24244234443
6
Senary
2455012540
8
Octal
154601114
10
Decimal
28508748
12
Duodecimal
966a150
16
Hexadecimal
1b3024c
20
Vigesimal
8i3bh8
36
Base36
gz1ho
md5
fec7026366fd2d6802543dc0ee75fa3b
sha1
05dc97bfbe3f0ef25b66853381b00f80f20cbb8c
sha256
edca055614bc192d99ad5a1794544e4f509654f9ed976758925624d7adad99a8
sha512
8e03eebb220cdb3259658356c618746235446b8c67ecdfbea2982b0f3b465b0601f5d2040dc19746707cb584d994842c0549ee79404aa19997ec7054f8d44b5f
ripemd-160
f44f25a1fd0f669b66e736239d7b5b4c2111ba3d
Diameter
57017496
Circumference
179125746.55969
Area
2.553325384491E+15
Volume
9.7056146597942E+22
Surface area
1.0213301537964E+16
Circumference
179125746.55969
Perimeter
114034992
Area
812748712527504
Diagonal
40317458.067877
Surface area
4876492275165024
Volume
2.3170448232771E+22
Space diagonal
49378599.996178
Perimeter
85526244
Area
3.5193051597096E+14
Altitude
24689299.998089
Surface area
3.5193051597096E+14
Volume
2.7306635114207E+21
Height
13439152.689292