28661841 is an odd 8-digits composite number following 28661840
and preceding 28661842 . In scientific notation, it is written as 2.8661841 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 16869600 positive integers (up to 28661841) that are relatively prime to 28661841.
28661841 has 24 divisors, whose sum is 46527936
The reverse of 28661841 is 14816682
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million six hundred sixty-one thousand eight hundred forty-one
Scientific notation
2.8661841 × 10^7
Engineering notation
2.8661841 × 10^6
Prime Factorization
3 × 3 × 23 × 13 × 10651
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9553947
Product of the distinct prime numbers
The prime factorization of 28661841 is 3 × 3 × 23 × 13 × 10651.
Since it has a total of 5 prime factors.
5 , 7 , 19 , 37 , 93 , 667 , 5966 , 9719 , 23758 , 54359 , 267226 , 695080 , 7964945 , 2184610 , 54480697 , 47411849 , 758639345 , 678694212 , 4485886703 , 7738752716
n×2
57323682
n×3
85985523
n×4
114647364
n×5
143309205
n÷2
14330920.5
n÷3
9553947
n÷3
7165460.25
n÷5
5732368.2
n2
821501129509281
n3
2.3545734755315E+22
n4
6.7486410578502E+29
n5
1.9342847696618E+37
2 √n
5353.6754664436
3 √n
306.03283640961
4 √n
73.168814849248
5 √n
31.007076196314
1 , 3 , 9 , 13 , 23 , 39 , 69 , 117 , 207 , 299 , 897 , 2691 , 10651 , 31953 , 95859 , 138463 , 244973 , 415389 , 734919 , 1246167 , 2204757 , 3184649 , 9553947 , 28661841
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28661840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28661841 can be divided by 24 positive divisors.
The sum of these divisors (counting 28661841) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101010101100001010001
3
Ternary
1222221011122200
4
Quaternary
1231111201101
5
Quinary
24314134331
6
Senary
2502153413
8
Octal
155254121
10
Decimal
28661841
12
Duodecimal
9722869
16
Hexadecimal
1b55851
20
Vigesimal
8j2ec1
36
Base36
h2bm9
md5
edca2673d003b822f718dfbe90fb9a51
sha1
f309ae2291c61b055fd72013c9488bb77b8ce631
sha256
01097cdc6e2e663ca738265490ebd6bc5b8506ca587e23a577e9e4603da6dddd
sha512
20bb67ab3dcae58ae18602c770f13a88f30f3410d217d3bbfbce58778bca6dc27324df5fc9dd1e7ea93cad1ccdf522810096fbb00a2d6c88769574db02887b91
ripemd-160
45a67bc2b380525003bd2ca52a87e58a017d73a8
Diameter
57323682
Circumference
180087658.24792
Area
2.5808219133821E+15
Volume
9.8628143107564E+22
Surface area
1.0323287653528E+16
Circumference
180087658.24792
Perimeter
114647364
Area
821501129509281
Diagonal
40533964.264781
Surface area
4929006777055686
Volume
2.3545734755315E+22
Space diagonal
49643764.850461
Perimeter
85985523
Area
3.5572042369632E+14
Altitude
24821882.42523
Surface area
3.5572042369632E+14
Volume
2.7748914522506E+21
Height
13511321.421594