28491311 is an odd 8-digits composite number following 28491310
and preceding 28491312 . In scientific notation, it is written as 2.8491311 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 27423648 positive integers (up to 28491311) that are relatively prime to 28491311.
28491311 has 8 divisors, whose sum is 29565120
The reverse of 28491311 is 11319482
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million four hundred ninety-one thousand three hundred eleven
Scientific notation
2.8491311 × 10^7
Engineering notation
2.8491311 × 10^6
Prime Factorization
29 × 367 × 2677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28491311
Product of the distinct prime numbers
The prime factorization of 28491311 is 29 × 367 × 2677.
Since it has a total of 3 prime factors.
3 , 3 , 86 , 32 , 11 , 150 , 8626 , 8862 , 54680 , 15493 , 716406 , 346826 , 13782 , 6892905 , 46879707 , 67269454 , 479930253 , 211720514 , 5204103788 , 2444253388
n×2
56982622
n×3
85473933
n×4
113965244
n×5
142456555
n÷2
14245655.5
n÷3
9497103.6666667
n÷3
7122827.75
n÷5
5698262.2
n2
811754802498721
n3
2.3127958533735E+22
n4
6.5894585937974E+29
n5
1.877423141175E+37
2 √n
5337.7252645673
3 √n
305.42469189668
4 √n
73.059737643707
5 √n
30.970091371767
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
-28491310
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 28491311 can be divided by 8 positive divisors.
The sum of these divisors (counting 28491311) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101011111000101111
3
Ternary
1222121111201202
4
Quaternary
1230223320233
5
Quinary
24243210221
6
Senary
2454400115
8
Octal
154537057
10
Decimal
28491311
12
Duodecimal
966003b
16
Hexadecimal
1b2be2f
20
Vigesimal
8i185b
36
Base36
gyo1b
md5
ea976d35139b6b5135ac1a889a87f066
sha1
1d95b947a29fe53c123c583a3b948c1287085a28
sha256
3efe5347e9fbfd46910ca21ab58957d2f1e0553224a8f7957d0a04419bec9232
sha512
cc774e7434261e7c91caca5244a9dace3b9c76076bf40c7fe038051cba08469941a04124b915531854475e224a47ab155868329d558cd18f344159c7330787e2
ripemd-160
9be871464e6369774116597dce053ed5b3b3f3ee
Diameter
56982622
Circumference
179016186.65748
Area
2.5502029240462E+15
Volume
9.6878166162813E+22
Surface area
1.0200811696185E+16
Circumference
179016186.65748
Perimeter
113965244
Area
811754802498721
Diagonal
40292798.42599
Surface area
4870528814992326
Volume
2.3127958533735E+22
Space diagonal
49348398.226246
Perimeter
85473933
Area
3.5150014030396E+14
Altitude
24674199.113123
Surface area
3.5150014030396E+14
Volume
2.7256560523675E+21
Height
13430932.808663