28072011 is an odd 8-digits composite number following 28072010
and preceding 28072012 . In scientific notation, it is written as 2.8072011 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 16295040 positive integers (up to 28072011) that are relatively prime to 28072011.
28072011 has 32 divisors, whose sum is 42594048
The reverse of 28072011 is 11027082
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-eight million seventy-two thousand eleven
Scientific notation
2.8072011 × 10^7
Engineering notation
2.8072011 × 10^6
Prime Factorization
3 × 11 × 37 × 83 × 277
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28072011
Product of the distinct prime numbers
The prime factorization of 28072011 is 3 × 11 × 37 × 83 × 277.
Since it has a total of 5 prime factors.
9 , 9 , 38 , 44 , 984 , 441 , 9959 , 4764 , 38091 , 42542 , 280263 , 142203 , 8456195 , 8835438 , 72103569 , 80468270 , 517795255 , 745641851 , 1243419307 , 4387961195
n×2
56144022
n×3
84216033
n×4
112288044
n×5
140360055
n÷2
14036005.5
n÷3
9357337
n÷3
7018002.75
n÷5
5614402.2
n2
788037801584121
n3
2.2121805834485E+22
n4
6.2100357672553E+29
n5
1.7432819236879E+37
2 √n
5298.302652737
3 √n
303.91899316096
4 √n
72.789440530457
5 √n
30.878394048999
1 , 3 , 11 , 33 , 37 , 83 , 111 , 249 , 277 , 407 , 831 , 913 , 1221 , 2739 , 3047 , 3071 , 9141 , 9213 , 10249 , 22991 , 30747 , 33781 , 68973 , 101343 , 112739 , 252901 , 338217 , 758703 , 850667 , 2552001 , 9357337 , 28072011
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28072010
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28072011 can be divided by 32 positive divisors.
The sum of these divisors (counting 28072011) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011000101100001001011
3
Ternary
1221211012120010
4
Quaternary
1223011201023
5
Quinary
24141301021
6
Senary
2441403003
8
Octal
153054113
10
Decimal
28072011
12
Duodecimal
9499463
16
Hexadecimal
1ac584b
20
Vigesimal
8f900b
36
Base36
gpoi3
md5
42e80dfb8ec427b8ad2a908d2c753d46
sha1
8b9840ddc4da73bdf75a6b618debee249eb5ed32
sha256
033393ef46850119525e217a00a80d75d2dae864d718345c3b25409854d2c68e
sha512
ef3087e97ca3de37c91cd5ea67fcef0e1b01660648a6f8863fce94a0da9fc4641c54e0550cfaa6b529e85593da6c8cf86470e8cf54abe95eaf7a1334e0951bb9
ripemd-160
d032cc99dca626d50fb1442734926ad33795fd62
Diameter
56144022
Circumference
176381647.05818
Area
2.4756937682077E+15
Volume
9.2663603591678E+22
Surface area
9.9027750728309E+15
Circumference
176381647.05818
Perimeter
112288044
Area
788037801584121
Diagonal
39699818.679287
Surface area
4728226809504726
Volume
2.2121805834485E+22
Space diagonal
48622149.322632
Perimeter
84216033
Area
3.4123037765714E+14
Altitude
24311074.661316
Surface area
3.4123037765714E+14
Volume
2.6070798196094E+21
Height
13233272.893096