28508724 is an even 8-digits composite number following 28508723
and preceding 28508725 . In scientific notation, it is written as 2.8508724 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 9502896 positive integers (up to 28508724) that are relatively prime to 28508724.
28508724 has 12 divisors, whose sum is 55433700
The reverse of 28508724 is 42780582
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million five hundred eight thousand seven hundred twenty-four
Scientific notation
2.8508724 × 10^7
Engineering notation
2.8508724 × 10^6
Prime Factorization
2 × 2 × 9 × 791909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14254362
Product of the distinct prime numbers
The prime factorization of 28508724 is 2 × 2 × 9 × 791909.
Since it has a total of 4 prime factors.
8 , 3 , 78 , 31 , 670 , 692 , 9870 , 6445 , 16683 , 80601 , 780644 , 912756 , 873413 , 7555487 , 7759419 , 42343449 , 487915156 , 663715525 , 296130438 , 5824288029
n×2
57017448
n×3
85526172
n×4
114034896
n×5
142543620
n÷2
14254362
n÷3
9502908
n÷3
7127181
n÷5
5701744.8
n2
812747344108176
n3
2.3170389714913E+22
n4
6.6055824535489E+29
n5
1.8831672702747E+37
2 √n
5339.3561409593
3 √n
305.48690123781
4 √n
73.070898044018
5 √n
30.973876037291
1 , 2 , 4 , 9 , 18 , 36 , 791909 , 1583818 , 3167636 , 7127181 , 14254362 , 28508724
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28508723
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28508724 can be divided by 12 positive divisors.
The sum of these divisors (counting 28508724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100110000001000110100
3
Ternary
1222122101121200
4
Quaternary
1230300020310
5
Quinary
24244234344
6
Senary
2455012500
8
Octal
154601064
10
Decimal
28508724
12
Duodecimal
966a130
16
Hexadecimal
1b30234
20
Vigesimal
8i3bg4
36
Base36
gz1h0
md5
222538cef129f42f5db5b26fcf05efd3
sha1
9e85bfeaf680517d4058c8398e176d91f4b53501
sha256
bd9cac8cfbd0067f9cc991f0909c7df4c24ce7e50aae0a49eb2ea82785223dc5
sha512
427548d8a57110506e369743cd31977dd7613b828fca5f50cd5921709355cdcf38a5d4cce8034dd43e6aa54997b5a89788e7c575fa6c8c88f9fd6f06279390be
ripemd-160
b91a67a8eb59f40e8a4faa2f8c753ca6d254f29a
Diameter
57017448
Circumference
179125595.76324
Area
2.5533210854749E+15
Volume
9.7055901478911E+22
Surface area
1.0213284341899E+16
Circumference
179125595.76324
Perimeter
114034896
Area
812747344108176
Diagonal
40317424.126751
Surface area
4876484064649056
Volume
2.3170389714913E+22
Space diagonal
49378558.426958
Perimeter
85526172
Area
3.5192992342801E+14
Altitude
24689279.213479
Surface area
3.5192992342801E+14
Volume
2.730656615025E+21
Height
13439141.375584