28998748 is an even 8-digits composite number following 28998747
and preceding 28998749 . In scientific notation, it is written as 2.8998748 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 14469872 positive integers (up to 28998748) that are relatively prime to 28998748.
28998748 has 12 divisors, whose sum is 50851080
The reverse of 28998748 is 84789982
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million nine hundred ninety-eight thousand seven hundred forty-eight
Scientific notation
2.8998748 × 10^7
Engineering notation
2.8998748 × 10^6
Prime Factorization
2 × 2 × 509 × 14243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14499374
Product of the distinct prime numbers
The prime factorization of 28998748 is 2 × 2 × 509 × 14243.
Since it has a total of 4 prime factors.
4 , 2 , 2 , 29 , 235 , 701 , 8311 , 1112 , 39537 , 83199 , 691232 , 310493 , 2287361 , 7737529 , 4022467 , 61226937 , 95539428 , 244804653 , 4904334792 , 5412178843
n×2
57997496
n×3
86996244
n×4
115994992
n×5
144993740
n÷2
14499374
n÷3
9666249.3333333
n÷3
7249687
n÷5
5799749.6
n2
840927385567504
n3
2.4385841340371E+22
n4
7.071588677974E+29
n5
2.0506721803222E+37
2 √n
5385.0485605981
3 √n
307.22726119385
4 √n
73.382890107968
5 √n
31.079630691656
1 , 2 , 4 , 509 , 1018 , 2036 , 14243 , 28486 , 56972 , 7249687 , 14499374 , 28998748
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28998747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28998748 can be divided by 12 positive divisors.
The sum of these divisors (counting 28998748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110100111110001011100
3
Ternary
2000120021210201
4
Quaternary
1232213301130
5
Quinary
24410424443
6
Senary
2513313244
8
Octal
156476134
10
Decimal
28998748
12
Duodecimal
9865824
16
Hexadecimal
1ba7c5c
20
Vigesimal
914gh8
36
Base36
h9jks
md5
a38a6b0e1c65ebc984fa6fc8d4872fdf
sha1
8c862a4bdf241c6776191a3892d831b4984b357c
sha256
42366bf3274ddd7694bacdc4756ce81cc4906265078c9c011daba7f2a97767d2
sha512
f7274951c4ebe973a51c35f7923ac5eb982bff0a740926950303142a526b94afc81785d031775716312c972e046a9190c3b3d7f2b2622fe113da662c9485d623
ripemd-160
04f9929a0052adccb645ec956d01a60e859cadc6
Diameter
57997496
Circumference
182204507.3602
Area
2.6418512967013E+15
Volume
1.0214717334202E+23
Surface area
1.0567405186805E+16
Circumference
182204507.3602
Perimeter
115994992
Area
840927385567504
Diagonal
41010422.71344
Surface area
5045564313405024
Volume
2.4385841340371E+22
Space diagonal
50227304.891886
Perimeter
86996244
Area
3.6413223931974E+14
Altitude
25113652.445943
Surface area
3.6413223931974E+14
Volume
2.8738989627859E+21
Height
13670140.90448