28858725 is an odd 8-digits composite number following 28858724
and preceding 28858726 . In scientific notation, it is written as 2.8858725 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 12960000 positive integers (up to 28858725) that are relatively prime to 28858725.
28858725 has 32 divisors, whose sum is 41174784
The reverse of 28858725 is 52785882
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million eight hundred fifty-eight thousand seven hundred twenty-five
Scientific notation
2.8858725 × 10^7
Engineering notation
2.8858725 × 10^6
Prime Factorization
5 × 45 × 7 × 73 × 251
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28858725
Product of the distinct prime numbers
The prime factorization of 28858725 is 5 × 45 × 7 × 73 × 251.
Since it has a total of 5 prime factors.
5 , 10 , 79 , 75 , 811 , 740 , 407 , 5719 , 31218 , 66068 , 884921 , 537686 , 2370455 , 2022801 , 27463488 , 46467470 , 664424101 , 166470547 , 716419832 , 4867274914
n×2
57717450
n×3
86576175
n×4
115434900
n×5
144293625
n÷2
14429362.5
n÷3
9619575
n÷3
7214681.25
n÷5
5771745
n2
832826008625625
n3
2.4034296755775E+22
n4
6.9359916064329E+29
n5
2.0016387437236E+37
2 √n
5372.0317385511
3 √n
306.7319718882
4 √n
73.294145322468
5 √n
31.04955840782
1 , 5 , 7 , 35 , 45 , 73 , 225 , 251 , 315 , 365 , 511 , 1255 , 1575 , 1757 , 2555 , 3285 , 8785 , 11295 , 16425 , 18323 , 22995 , 56475 , 79065 , 91615 , 114975 , 128261 , 395325 , 641305 , 824535 , 4122675 , 5771745 , 28858725
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28858724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28858725 can be divided by 32 positive divisors.
The sum of these divisors (counting 28858725) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110000101100101100101
3
Ternary
2000022011201200
4
Quaternary
1232011211211
5
Quinary
24341434400
6
Senary
2510313113
8
Octal
156054545
10
Decimal
28858725
12
Duodecimal
97b8799
16
Hexadecimal
1b85965
20
Vigesimal
9076g5
36
Base36
h6jj9
md5
38bf0b47a8d3f85a71dee75fad06445e
sha1
8963ba076ae874440d3e605987f3e275e2a3ba14
sha256
85c00bdc02a49202b7364da7ee82e6c766d0155b7ebef5187e8c75c8f3a4bcc9
sha512
01e9b508ad20abb6c0eba92a3f2029a502aed67fc5561284e47a2e40dc4291709c651b5114ee9701d9105995a7e4ffc0c641a298684a32687a4bfa2c8ba52e06
ripemd-160
6fd5062831d48e5cb2f43935e7983107d095c316
Diameter
57717450
Circumference
181324716.90394
Area
2.6164000704168E+15
Volume
1.0067462682952E+23
Surface area
1.0465600281667E+16
Circumference
181324716.90394
Perimeter
115434900
Area
832826008625625
Diagonal
40812400.287795
Surface area
4996956051753750
Volume
2.4034296755775E+22
Space diagonal
49984777.941658
Perimeter
86576175
Area
3.6062424020109E+14
Altitude
24992388.970829
Surface area
3.6062424020109E+14
Volume
2.8324690361763E+21
Height
13604133.429265