28508725 is an odd 8-digits composite number following 28508724
and preceding 28508726 . In scientific notation, it is written as 2.8508725 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 19548720 positive integers (up to 28508725) that are relatively prime to 28508725.
28508725 has 8 divisors, whose sum is 35188128
The reverse of 28508725 is 52780582
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million five hundred eight thousand seven hundred twenty-five
Scientific notation
2.8508725 × 10^7
Engineering notation
2.8508725 × 10^6
Prime Factorization
35 × 5 × 162907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28508725
Product of the distinct prime numbers
The prime factorization of 28508725 is 35 × 5 × 162907.
Since it has a total of 3 prime factors.
1 , 6 , 46 , 66 , 453 , 902 , 6748 , 9413 , 40038 , 49046 , 459401 , 730969 , 7133131 , 6167705 , 44708374 , 81703856 , 745331766 , 958657855 , 7855685319 , 4159268510
n×2
57017450
n×3
85526175
n×4
114034900
n×5
142543625
n÷2
14254362.5
n÷3
9502908.3333333
n÷3
7127181.25
n÷5
5701745
n2
812747401125625
n3
2.3170392153155E+22
n4
6.6055833803646E+29
n5
1.8831676005538E+37
2 √n
5339.3562346036
3 √n
305.48690480967
4 √n
73.070898684795
5 √n
30.973876254585
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
-28508724
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 28508725 can be divided by 8 positive divisors.
The sum of these divisors (counting 28508725) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100110000001000110101
3
Ternary
1222122101121201
4
Quaternary
1230300020311
5
Quinary
24244234400
6
Senary
2455012501
8
Octal
154601065
10
Decimal
28508725
12
Duodecimal
966a131
16
Hexadecimal
1b30235
20
Vigesimal
8i3bg5
36
Base36
gz1h1
md5
819d452ad2cb6e53bdb7344d49087722
sha1
f8e89371e3b65e3c212f370af891023234ca5e46
sha256
fce14519486edbff19d0fe6984797bf66c72a8114d12fe6732ce760e2d3da62f
sha512
4c200c391c0ff5a927de612a05f0a4965f553725aea14577e844b67b18db16b0ab9485bedc8d448e5d1b429f4af65976fce6ff99f07be731975f520ff3e5d93f
ripemd-160
b5d1341a3b9066f57e4e5c6dc9eb3a69e21b1948
Diameter
57017450
Circumference
179125602.04642
Area
2.5533212646005E+15
Volume
9.7055911692196E+22
Surface area
1.0213285058402E+16
Circumference
179125602.04642
Perimeter
114034900
Area
812747401125625
Diagonal
40317425.540965
Surface area
4876484406753750
Volume
2.3170392153155E+22
Space diagonal
49378560.159009
Perimeter
85526175
Area
3.5192994811729E+14
Altitude
24689280.079505
Surface area
3.5192994811729E+14
Volume
2.7306569023746E+21
Height
13439141.846988