28131091 is an odd 8-digits prime number following 28131090
and preceding 28131092 . In scientific notation, it is written as 2.8131091 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 28131090 positive integers (up to 28131091) that are relatively prime to 28131091.
28131091 has 2 divisors, whose sum is 28131092
The reverse of 28131091 is 19013182
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million one hundred thirty-one thousand ninety-one
Scientific notation
2.8131091 × 10^7
Engineering notation
2.8131091 × 10^6
Prime Factorization
28131091
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28131091
Product of the distinct prime numbers
The prime factorization of 28131091 is 28131091.
Since it has a total of 1 prime factors.
9 , 2 , 52 , 19 , 496 , 326 , 5842 , 5688 , 22014 , 31135 , 489009 , 311255 , 4208464 , 4120092 , 33950835 , 1599380 , 227322667 , 382052740 , 3189167464 , 9965079317
n×2
56262182
n×3
84393273
n×4
112524364
n×5
140655455
n÷2
14065545.5
n÷3
9377030.3333333
n÷3
7032772.75
n÷5
5626218.2
n2
791358280850281
n3
2.2261771812203E+22
n4
6.2624792867031E+29
n5
1.7617037469986E+37
2 √n
5303.8750927977
3 √n
304.13205178951
4 √n
72.827708276436
5 √n
30.891380376919
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28131092
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14065546
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5303.8751870684
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999289043
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28131091 can be divided by 2 positive divisors.
The sum of these divisors (counting 28131091) is 28131092, the average is 14065546.
Base
System
Value
2
Binary
1101011010011111100010011
3
Ternary
1221221012121021
4
Quaternary
1223103330103
5
Quinary
24200143331
6
Senary
2442540311
8
Octal
153237423
10
Decimal
28131091
12
Duodecimal
9507697
16
Hexadecimal
1ad3f13
20
Vigesimal
8fg7eb
36
Base36
gqy37
md5
5e16f28c3fd8f381fe9209cc150af605
sha1
65fbef32af9d10c6882fe2416e8bd06ad2fe8e07
sha256
1ae48f394a46e6ccf08585dfe77e35112b86918f05c672d6fd0082b2a7331e8e
sha512
3206abf7722d498c800ca77183dd9ba13e15d47c5dfdde409eac954b1ed265257b02af949565571cef448d9a472747dd599372a11c6560cd8067f6f84a3016e8
ripemd-160
03ef941f24bd775fa2a78c4db975ec0f6497e49c
Diameter
56262182
Circumference
176752857.64613
Area
2.4861253614767E+15
Volume
9.3249891708145E+22
Surface area
9.9445014459068E+15
Circumference
176752857.64613
Perimeter
112524364
Area
791358280850281
Diagonal
39783370.416552
Surface area
4748149685101686
Volume
2.2261771812203E+22
Space diagonal
48724478.884344
Perimeter
84393273
Area
3.4266818735576E+14
Altitude
24362239.442172
Surface area
3.4266818735576E+14
Volume
2.6235749682727E+21
Height
13261123.472184