28991569 is an odd 8-digits composite number following 28991568
and preceding 28991570 . In scientific notation, it is written as 2.8991569 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 27681456 positive integers (up to 28991569) that are relatively prime to 28991569.
28991569 has 8 divisors, whose sum is 30306240
The reverse of 28991569 is 96519982
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million nine hundred ninety-one thousand five hundred sixty-nine
Scientific notation
2.8991569 × 10^7
Engineering notation
2.8991569 × 10^6
Prime Factorization
1019 × 23 × 1237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28991569
Product of the distinct prime numbers
The prime factorization of 28991569 is 1019 × 23 × 1237.
Since it has a total of 3 prime factors.
5 , 4 , 91 , 58 , 439 , 629 , 8051 , 4385 , 11709 , 84174 , 513325 , 83262 , 6879999 , 5627900 , 45741694 , 77178083 , 686970216 , 625989837 , 6270704757 , 3572436233
n×2
57983138
n×3
86974707
n×4
115966276
n×5
144957845
n÷2
14495784.5
n÷3
9663856.3333333
n÷3
7247892.25
n÷5
5798313.8
n2
840511073081761
n3
2.4367734770514E+22
n4
7.0645886397305E+29
n5
2.0481350900536E+37
2 √n
5384.3819515335
3 √n
307.20190646083
4 √n
73.378347974955
5 √n
31.078091709583
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
-28991568
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 28991569 can be divided by 8 positive divisors.
The sum of these divisors (counting 28991569) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100110000001010001
3
Ternary
2000112220221211
4
Quaternary
1232212001101
5
Quinary
24410212234
6
Senary
2513220121
8
Octal
156460121
10
Decimal
28991569
12
Duodecimal
9861641
16
Hexadecimal
1ba6051
20
Vigesimal
913ii9
36
Base36
h9e1d
md5
ec24a55d6a49575e9f6fdad951397ee1
sha1
9a3faf124f4f1c94bcdd45790987da71c8e371f8
sha256
b3cec407a1f36ad282d68fa284cff497f6b02aac0ed4735a995e32427c295416
sha512
05633dbe9ac23f231bd9997eca0543baa6c3cf8c876aaf4994c8d644093d9da36da10724190816f636e420f0ffa104f4b4b5e810636770ead4be71891b201fa0
ripemd-160
7ba2bc4650432bb50b74dd3f9f164661ac6c3424
Diameter
57983138
Circumference
182159400.37288
Area
2.6405434124545E+15
Volume
1.0207132871956E+23
Surface area
1.0562173649818E+16
Circumference
182159400.37288
Perimeter
115966276
Area
840511073081761
Diagonal
41000270.074275
Surface area
5043066438490566
Volume
2.4367734770514E+22
Space diagonal
50214870.499139
Perimeter
86974707
Area
3.6395197072546E+14
Altitude
25107435.249569
Surface area
3.6395197072546E+14
Volume
2.8717650830643E+21
Height
13666756.691425