28204865 is an odd 8-digits composite number following 28204864
and preceding 28204866 . In scientific notation, it is written as 2.8204865 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 20756736 positive integers (up to 28204865) that are relatively prime to 28204865.
28204865 has 16 divisors, whose sum is 36574608
The reverse of 28204865 is 56840282
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million two hundred four thousand eight hundred sixty-five
Scientific notation
2.8204865 × 10^7
Engineering notation
2.8204865 × 10^6
Prime Factorization
5 × 13 × 397 × 1093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28204865
Product of the distinct prime numbers
The prime factorization of 28204865 is 5 × 13 × 397 × 1093.
Since it has a total of 4 prime factors.
9 , 3 , 85 , 54 , 436 , 949 , 3059 , 6801 , 28083 , 18188 , 981231 , 772214 , 1450209 , 4823382 , 59176869 , 12529561 , 596748728 , 342198548 , 6740530097 , 2434005170
n×2
56409730
n×3
84614595
n×4
112819460
n×5
141024325
n÷2
14102432.5
n÷3
9401621.6666667
n÷3
7051216.25
n÷5
5640973
n2
795514409668225
n3
2.2437376530247E+22
n4
6.3284317598978E+29
n5
1.7849256344963E+37
2 √n
5310.8252654366
3 √n
304.397682591
4 √n
72.875409195672
5 √n
30.907565983037
1 , 5 , 13 , 65 , 397 , 1093 , 1985 , 5161 , 5465 , 14209 , 25805 , 71045 , 433921 , 2169605 , 5640973 , 28204865
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28204864
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28204865 can be divided by 16 positive divisors.
The sum of these divisors (counting 28204865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011100101111101000001
3
Ternary
1222001221210122
4
Quaternary
1223211331001
5
Quinary
24210023430
6
Senary
2444310025
8
Octal
153457501
10
Decimal
28204865
12
Duodecimal
9542315
16
Hexadecimal
1ae5f41
20
Vigesimal
8g5c35
36
Base36
gsj0h
md5
2ca485befc9b7db39c08ca209506abad
sha1
3766c0aaab7081778292f932625c0bae00675f50
sha256
d67c7e94ce7b601888efb5f8ed53653dd6692488cf11d2cbd25c373c11c86755
sha512
a0f4d16254e1db700601279784f4e4209de19fc6eb656122ac7598a116f96cc68f782fbe14429efebfe937bac4662bef08672b0db51c891b5e678a0caf841910
ripemd-160
4c8b19d6c75b55b66e77f21400151b2d228a49ef
Diameter
56409730
Circumference
177216393.35898
Area
2.4991822252385E+15
Volume
9.3985463031003E+22
Surface area
9.9967289009541E+15
Circumference
177216393.35898
Perimeter
112819460
Area
795514409668225
Diagonal
39887702.607902
Surface area
4773086458009350
Volume
2.2437376530247E+22
Space diagonal
48852259.200621
Perimeter
84614595
Area
3.4446784392463E+14
Altitude
24426129.600311
Surface area
3.4446784392463E+14
Volume
2.6442701827623E+21
Height
13295900.869301