28207855 is an odd 8-digits composite number following 28207854
and preceding 28207856 . In scientific notation, it is written as 2.8207855 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 20830368 positive integers (up to 28207855) that are relatively prime to 28207855.
28207855 has 8 divisors, whose sum is 36453312
The reverse of 28207855 is 55870282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million two hundred seven thousand eight hundred fifty-five
Scientific notation
2.8207855 × 10^7
Engineering notation
2.8207855 × 10^6
Prime Factorization
5 × 13 × 433967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28207855
Product of the distinct prime numbers
The prime factorization of 28207855 is 5 × 13 × 433967.
Since it has a total of 3 prime factors.
7 , 9 , 23 , 33 , 434 , 536 , 2605 , 5917 , 19134 , 65480 , 939520 , 727921 , 3077407 , 8052451 , 66900530 , 1075009 , 130975779 , 128918435 , 9692739742 , 9076677666
n×2
56415710
n×3
84623565
n×4
112831420
n×5
141039275
n÷2
14103927.5
n÷3
9402618.3333333
n÷3
7051963.75
n÷5
5641571
n2
795683083701025
n3
2.2444513050991E+22
n4
6.3311156968797E+29
n5
1.7858719356581E+37
2 √n
5311.1067584826
3 √n
304.40843861851
4 √n
72.87734050089
5 √n
30.908221257961
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
-28207854
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 28207855 can be divided by 8 positive divisors.
The sum of these divisors (counting 28207855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100110101011101111
3
Ternary
1222002002220101
4
Quaternary
1223212223233
5
Quinary
24210122410
6
Senary
2444331531
8
Octal
153465357
10
Decimal
28207855
12
Duodecimal
9543ba7
16
Hexadecimal
1ae6aef
20
Vigesimal
8g5jcf
36
Base36
gslbj
md5
10150a0954cdceec458e1192abe517a7
sha1
198c9fc4ce12bdb93e596d926e7482080c3f3d44
sha256
74ee3d2c96f67ce68717ff79b5cae2ed6b93bca42151bf0db8936969f2ca0984
sha512
b0eb6f85d6577dae432675fc68ab7df9bb7d8968ddda0f12070676b77592af65c3af5fcfff4fee2f77a7ae059e257a46cc0e30ad3e9765936f8badb2e555de4b
ripemd-160
1a8321618f99c2faaf5f845b527bc7c8283f9590
Diameter
56415710
Circumference
177235180.08305
Area
2.4997121303408E+15
Volume
9.4015356419193E+22
Surface area
9.9988485213632E+15
Circumference
177235180.08305
Perimeter
112831420
Area
795683083701025
Diagonal
39891931.106454
Surface area
4774098502206150
Volume
2.2444513050991E+22
Space diagonal
48857438.032536
Perimeter
84623565
Area
3.4454088192331E+14
Altitude
24428719.016268
Surface area
3.4454088192331E+14
Volume
2.6451112297977E+21
Height
13297310.368818