28744561 is an odd 8-digits composite number following 28744560
and preceding 28744562 . In scientific notation, it is written as 2.8744561 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 28568052 positive integers (up to 28744561) that are relatively prime to 28744561.
28744561 has 4 divisors, whose sum is 28921072
The reverse of 28744561 is 16544782
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred forty-four thousand five hundred sixty-one
Scientific notation
2.8744561 × 10^7
Engineering notation
2.8744561 × 10^6
Prime Factorization
163 × 176347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28744561
Product of the distinct prime numbers
The prime factorization of 28744561 is 163 × 176347.
Since it has a total of 2 prime factors.
6 , 10 , 67 , 5 , 38 , 545 , 4838 , 5611 , 98719 , 87430 , 481194 , 236767 , 5469562 , 4824172 , 20455589 , 82730556 , 562722474 , 966313357 , 9608135238 , 944329923
n×2
57489122
n×3
86233683
n×4
114978244
n×5
143722805
n÷2
14372280.5
n÷3
9581520.3333333
n÷3
7186140.25
n÷5
5748912.2
n2
826249787082721
n3
2.3750187406036E+22
n4
6.8268871065424E+29
n5
1.9623587287412E+37
2 √n
5361.3954340265
3 √n
306.32696408001
4 √n
73.221550338862
5 √n
31.024953271721
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28744560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28744561 can be divided by 4 positive divisors.
The sum of these divisors (counting 28744561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101101001101101110001
3
Ternary
2000002101010101
4
Quaternary
1231221231301
5
Quinary
24324311221
6
Senary
2504032401
8
Octal
155515561
10
Decimal
28744561
12
Duodecimal
9762701
16
Hexadecimal
1b69b71
20
Vigesimal
8jd181
36
Base36
h43g1
md5
a12664fad23d3de19539e7150b9d504e
sha1
e65b8e607225fba723df96beeb26f96f4b3198e3
sha256
af367c201bf9e7cc18e5ccd57d401e96826f385b8364e77d3a895169e753ff1c
sha512
4ecb9d472256aca5dcfb227653ae4d8c97500386e204ad9c0879dfedd3dd6e3a4db52f7add1c7bfe0c66434c5c0c2f5d6621af390bfaf40ee6dfbd5604192639
ripemd-160
9e5ebbc8fc9dae6594f570be9690fb59efa4d2de
Diameter
57489122
Circumference
180607403.33653
Area
2.5957402611292E+15
Volume
9.9484552368246E+22
Surface area
1.0382961044517E+16
Circumference
180607403.33653
Perimeter
114978244
Area
826249787082721
Diagonal
40650948.010661
Surface area
4957498722496326
Volume
2.3750187406036E+22
Space diagonal
49787040.093263
Perimeter
86233683
Area
3.5777665274256E+14
Altitude
24893520.046631
Surface area
3.5777665274256E+14
Volume
2.7989864282099E+21
Height
13550316.003554