28993849 is an odd 8-digits composite number following 28993848
and preceding 28993850 . In scientific notation, it is written as 2.8993849 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 28425600 positive integers (up to 28993849) that are relatively prime to 28993849.
28993849 has 8 divisors, whose sum is 29565320
The reverse of 28993849 is 94839982
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred ninety-three thousand eight hundred forty-nine
Scientific notation
2.8993849 × 10^7
Engineering notation
2.8993849 × 10^6
Prime Factorization
421 × 61 × 1129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28993849
Product of the distinct prime numbers
The prime factorization of 28993849 is 421 × 61 × 1129.
Since it has a total of 3 prime factors.
3 , 4 , 81 , 98 , 630 , 287 , 8424 , 5648 , 21624 , 94853 , 836635 , 833654 , 1408683 , 9745651 , 77359145 , 67763899 , 188521039 , 75027296 , 5363381986 , 1347868770
n×2
57987698
n×3
86981547
n×4
115975396
n×5
144969245
n÷2
14496924.5
n÷3
9664616.3333333
n÷3
7248462.25
n÷5
5798769.8
n2
840643279834801
n3
2.4373484318395E+22
n4
7.0668112393141E+29
n5
2.0489405798418E+37
2 √n
5384.5936708353
3 √n
307.20995939956
4 √n
73.379790615914
5 √n
31.078580512519
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
-28993848
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 28993849 can be divided by 8 positive divisors.
The sum of these divisors (counting 28993849) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100110100100111001
3
Ternary
2000120001002021
4
Quaternary
1232212210321
5
Quinary
24410300344
6
Senary
2513234441
8
Octal
156464471
10
Decimal
28993849
12
Duodecimal
9862a21
16
Hexadecimal
1ba6939
20
Vigesimal
9144c9
36
Base36
h9fsp
md5
b5d944d5d7b74c01ca7c7da059439b1f
sha1
b1f3b720fd1c4676ea4cd5a672d05584269de88e
sha256
a5bab94489e6b0f1ac65d36703ffb128a7c697495aba67592ff0d08f11ff3b0e
sha512
38fe72b2ee138f1138ce87146409a36d11104150eed95543a0ddcfd54c30fe6c2fd8f512f4801862afdfbbb4b6f384520e558ba1f8cd5b3cfc767d7d72fc5e5c
ripemd-160
d1a18d0ccd778ad8e7862ecf5f1fd1edb85d4b9d
Diameter
57987698
Circumference
182173726.03538
Area
2.6409587522186E+15
Volume
1.0209541236941E+23
Surface area
1.0563835008875E+16
Circumference
182173726.03538
Perimeter
115975396
Area
840643279834801
Diagonal
41003494.481198
Surface area
5043859679008806
Volume
2.4373484318395E+22
Space diagonal
50218819.57498
Perimeter
86981547
Area
3.640092179288E+14
Altitude
25109409.78749
Surface area
3.640092179288E+14
Volume
2.8724426737802E+21
Height
13667831.493733