28004885 is an odd 8-digits composite number following 28004884
and preceding 28004886 . In scientific notation, it is written as 2.8004885 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 22088080 positive integers (up to 28004885) that are relatively prime to 28004885.
28004885 has 8 divisors, whose sum is 34079616
The reverse of 28004885 is 58840082
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million four thousand eight hundred eighty-five
Scientific notation
2.8004885 × 10^7
Engineering notation
2.8004885 × 10^6
Prime Factorization
5 × 71 × 78887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28004885
Product of the distinct prime numbers
The prime factorization of 28004885 is 5 × 71 × 78887.
Since it has a total of 3 prime factors.
10 , 2 , 41 , 9 , 40 , 357 , 1570 , 8049 , 52233 , 45181 , 999151 , 559299 , 8692470 , 2404996 , 39106347 , 75331208 , 453346447 , 388101145 , 8179828911 , 7097718812
n×2
56009770
n×3
84014655
n×4
112019540
n×5
140024425
n÷2
14002442.5
n÷3
9334961.6666667
n÷3
7001221.25
n÷5
5600977
n2
784273583863225
n3
2.1963491524627E+22
n4
6.1508505434567E+29
n5
1.7225386212169E+37
2 √n
5291.9641911109
3 √n
303.67655537156
4 √n
72.745887795194
5 √n
30.863612575227
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
-28004884
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 28004885 can be divided by 8 positive divisors.
The sum of these divisors (counting 28004885) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110101001000010101
3
Ternary
1221200210110222
4
Quaternary
1222311020111
5
Quinary
24132124020
6
Senary
2440124125
8
Octal
152651025
10
Decimal
28004885
12
Duodecimal
9466645
16
Hexadecimal
1ab5215
20
Vigesimal
8f0c45
36
Base36
go8ph
md5
0cacf91615d94f7139056e3a0b83f193
sha1
5f19800ade0322a7aef56f7f558045fca8d9a236
sha256
24cabcd14f3427bf4e88cc3e5ad79b6e292fb44c085d5e2a4bd167a432ffbf8f
sha512
5ede8281ac7a8a022795d247803fdd8fec4cdec73b84c7ad37fbc1f8d212902149dd6e495680f2da54f9c01e088fdaec4f85e4edc793820a0a699305a3cdc18a
ripemd-160
95f77aa8cb6c843bddcf5c573005fa86c6777381
Diameter
56009770
Circumference
175959881.96125
Area
2.4638681294692E+15
Volume
9.2000458161268E+22
Surface area
9.855472517877E+15
Circumference
175959881.96125
Perimeter
112019540
Area
784273583863225
Diagonal
39604888.179699
Surface area
4705641503179350
Volume
2.1963491524627E+22
Space diagonal
48505883.680124
Perimeter
84014655
Area
3.3960042357131E+14
Altitude
24252941.840062
Surface area
3.3960042357131E+14
Volume
2.5884222992662E+21
Height
13201629.393233