28991106 is an even 8-digits composite number following 28991105
and preceding 28991107 . In scientific notation, it is written as 2.8991106 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 9481056 positive integers (up to 28991106) that are relatively prime to 28991106.
28991106 has 24 divisors, whose sum is 64001340
The reverse of 28991106 is 60119982
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred ninety-one thousand one hundred six
Scientific notation
2.8991106 × 10^7
Engineering notation
2.8991106 × 10^6
Prime Factorization
2 × 3 × 3 × 53 × 30389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9663702
Product of the distinct prime numbers
The prime factorization of 28991106 is 2 × 3 × 3 × 53 × 30389.
Since it has a total of 5 prime factors.
9 , 2 , 43 , 73 , 635 , 55 , 6301 , 9280 , 56915 , 14948 , 968424 , 414014 , 8549454 , 1737212 , 16675440 , 4091622 , 983063570 , 412678163 , 9494064285 , 4764008476
n×2
57982212
n×3
86973318
n×4
115964424
n×5
144955530
n÷2
14495553
n÷3
9663702
n÷3
7247776.5
n÷5
5798221.2
n2
840484227103236
n3
2.4366567319278E+22
n4
7.0641373600932E+29
n5
2.0479715500502E+37
2 √n
5384.3389566408
3 √n
307.20027109758
4 √n
73.378055007208
5 √n
31.077992444529
1 , 2 , 3 , 6 , 9 , 18 , 53 , 106 , 159 , 318 , 477 , 954 , 30389 , 60778 , 91167 , 182334 , 273501 , 547002 , 1610617 , 3221234 , 4831851 , 9663702 , 14495553 , 28991106
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
-28991105
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 28991106 can be divided by 24 positive divisors.
The sum of these divisors (counting 28991106) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110100101111010000010
3
Ternary
2000112220022200
4
Quaternary
1232211322002
5
Quinary
24410203411
6
Senary
2513214030
8
Octal
156457202
10
Decimal
28991106
12
Duodecimal
9861316
16
Hexadecimal
1ba5e82
20
Vigesimal
913hf6
36
Base36
h9doi
md5
1cc3b9077de73bb9fecfd4514a2b3d0b
sha1
aa7f40289ed64b73e33a61189620a5a2c79ab70c
sha256
96b6f0a1ebb194a26a2864d5ebb4f1afda1e595c4c2d99b90cafbe2cb89a1711
sha512
35353042886998cfcb04e79d16dded25cbb16a0cd658f071d5401465f039f341f293fe32ccea0e526642a740e9fb2894d1cee4fd2d764f2df36903404a57757e
ripemd-160
3375620a7079ee148c3d7a64ccd8f7ac08c72558
Diameter
57982212
Circumference
182156491.25809
Area
2.6404590733256E+15
Volume
1.0206643851126E+23
Surface area
1.0561836293302E+16
Circumference
182156491.25809
Perimeter
115964424
Area
840484227103236
Diagonal
40999615.293396
Surface area
5042905362619416
Volume
2.4366567319278E+22
Space diagonal
50214068.559615
Perimeter
86973318
Area
3.6394034607577E+14
Altitude
25107034.279807
Surface area
3.6394034607577E+14
Volume
2.8716274976167E+21
Height
13666538.431132