28587725 is an odd 8-digits composite number following 28587724
and preceding 28587726 . In scientific notation, it is written as 2.8587725 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 22654320 positive integers (up to 28587725) that are relatively prime to 28587725.
28587725 has 8 divisors, whose sum is 30011904
The reverse of 28587725 is 52778582
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million five hundred eighty-seven thousand seven hundred twenty-five
Scientific notation
2.8587725 × 10^7
Engineering notation
2.8587725 × 10^6
Prime Factorization
25 × 107 × 10687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28587725
Product of the distinct prime numbers
The prime factorization of 28587725 is 25 × 107 × 10687.
Since it has a total of 3 prime factors.
5 , 3 , 58 , 59 , 109 , 435 , 5410 , 7065 , 58427 , 8270 , 757367 , 34111 , 692587 , 9896820 , 9782230 , 63190234 , 874324979 , 12818724 , 4267996513 , 2687967745
n×2
57175450
n×3
85763175
n×4
114350900
n×5
142938625
n÷2
14293862.5
n÷3
9529241.6666667
n÷3
7146931.25
n÷5
5717545
n2
817258020675625
n3
2.3363547549119E+22
n4
6.6791067235864E+29
n5
1.9094046625954E+37
2 √n
5346.7490122503
3 √n
305.7688209342
4 √n
73.121467519808
5 √n
30.991023485555
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28587724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28587725 can be divided by 8 positive divisors.
The sum of these divisors (counting 28587725) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101000011011011001101
3
Ternary
1222210101222122
4
Quaternary
1231003123031
5
Quinary
24304301400
6
Senary
2500422325
8
Octal
155033315
10
Decimal
28587725
12
Duodecimal
96a79a5
16
Hexadecimal
1b436cd
20
Vigesimal
8id965
36
Base36
h0qfh
md5
2df731824adca031cbe8cc3344fc9f2c
sha1
4ab342eebf17408fb8874af0b4cb9322658ed4a7
sha256
6bf5b48b0485f15aef442ee0110b27664a2ee64d193f955ce763e7a225977993
sha512
ff2d76ece9507abea805add9b07cdf3fde7b58e9cfe6a824e9c575c11a6691330fd1ed1ce8933c966b36c960521709e55c9ae205a7bd34a920a9352b20fa92fe
ripemd-160
906ea786a77dd2a4e38749232b846ff9c8c823e6
Diameter
57175450
Circumference
179621973.68569
Area
2.5674917938419E+15
Volume
9.7864999122811E+22
Surface area
1.0269967175368E+16
Circumference
179621973.68569
Perimeter
114350900
Area
817258020675625
Diagonal
40429148.412392
Surface area
4903548124053750
Volume
2.3363547549119E+22
Space diagonal
49515392.172807
Perimeter
85763175
Area
3.5388310367584E+14
Altitude
24757696.086403
Surface area
3.5388310367584E+14
Volume
2.7534204840927E+21
Height
13476382.804131