28210005 is an odd 8-digits composite number following 28210004
and preceding 28210006 . In scientific notation, it is written as 2.8210005 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 15045264 positive integers (up to 28210005) that are relatively prime to 28210005.
28210005 has 8 divisors, whose sum is 35105952
The reverse of 28210005 is 50001282
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-eight million two hundred ten thousand five
Scientific notation
2.8210005 × 10^7
Engineering notation
2.8210005 × 10^6
Prime Factorization
27 × 5 × 208963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28210005
Product of the distinct prime numbers
The prime factorization of 28210005 is 27 × 5 × 208963.
Since it has a total of 3 prime factors.
9 , 4 , 27 , 73 , 470 , 467 , 4071 , 7688 , 42821 , 70380 , 995314 , 897457 , 9522326 , 8281285 , 1132913 , 14584732 , 258592836 , 956413060 , 4178826933 , 9493084773
n×2
56420010
n×3
84630015
n×4
112840020
n×5
141050025
n÷2
14105002.5
n÷3
9403335
n÷3
7052501.25
n÷5
5642001
n2
795804382100025
n3
2.2449645598064E+22
n4
6.333046145696E+29
n5
1.7865526343532E+37
2 √n
5311.3091606496
3 √n
304.41617241601
4 √n
72.878729137174
5 √n
30.908692407928
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
-28210004
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 28210005 can be divided by 8 positive divisors.
The sum of these divisors (counting 28210005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100111001101010101
3
Ternary
1222002012212000
4
Quaternary
1223213031111
5
Quinary
24210210010
6
Senary
2444345513
8
Octal
153471525
10
Decimal
28210005
12
Duodecimal
9545299
16
Hexadecimal
1ae7355
20
Vigesimal
8g6505
36
Base36
gsmz9
md5
eb478a58f8886ae5a893ca0753fb9f60
sha1
d71082f4e4f4878a3297f858a90368c42534f818
sha256
c421c1a4eb4a4cebb31416bec31d3b126a74f894d74b3f104180e241e80c796e
sha512
fb1973e9debb9b32d0f688a64ebc5059114247e18a4dec18ad7ddcdde37c918418b2fb466d8af0b1cb67da1dbe54710cae003391b30ef38935c6e9d2e2a0e356
ripemd-160
4f2c984592e048cb70984133f55c7ca05fb7e14e
Diameter
56420010
Circumference
177248688.93146
Area
2.5000932005E+15
Volume
9.4036855582095E+22
Surface area
1.0000372802E+16
Circumference
177248688.93146
Perimeter
112840020
Area
795804382100025
Diagonal
39894971.665613
Surface area
4774826292600150
Volume
2.2449645598064E+22
Space diagonal
48861161.941772
Perimeter
84630015
Area
3.445934056708E+14
Altitude
24430580.970886
Surface area
3.445934056708E+14
Volume
2.6457161062709E+21
Height
13298323.888538