28993837 is an odd 8-digits composite number following 28993836
and preceding 28993838 . In scientific notation, it is written as 2.8993837 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 28772380 positive integers (up to 28993837) that are relatively prime to 28993837.
28993837 has 4 divisors, whose sum is 29215296
The reverse of 28993837 is 73839982
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million nine hundred ninety-three thousand eight hundred thirty-seven
Scientific notation
2.8993837 × 10^7
Engineering notation
2.8993837 × 10^6
Prime Factorization
131 × 221327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28993837
Product of the distinct prime numbers
The prime factorization of 28993837 is 131 × 221327.
Since it has a total of 2 prime factors.
4 , 7 , 99 , 10 , 407 , 995 , 7312 , 5059 , 45635 , 33756 , 70284 , 945612 , 2904696 , 2277376 , 73179764 , 64719682 , 165954997 , 866631058 , 9483750390 , 4736812369
n×2
57987674
n×3
86981511
n×4
115975348
n×5
144969185
n÷2
14496918.5
n÷3
9664612.3333333
n÷3
7248459.25
n÷5
5798767.4
n2
840642583982569
n3
2.4373454055249E+22
n4
7.0667995400489E+29
n5
2.0489363397585E+37
2 √n
5384.592556545
3 √n
307.20991701678
4 √n
73.379783023289
5 √n
31.078577939952
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
-28993836
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 28993837 can be divided by 4 positive divisors.
The sum of these divisors (counting 28993837) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100110100100101101
3
Ternary
2000120001001211
4
Quaternary
1232212210231
5
Quinary
24410300322
6
Senary
2513234421
8
Octal
156464455
10
Decimal
28993837
12
Duodecimal
9862a11
16
Hexadecimal
1ba692d
20
Vigesimal
9144bh
36
Base36
h9fsd
md5
823758d8ad6e3cbb7930418b37bc3630
sha1
774178309188ad5949db243e86fcebd3ec06ae6c
sha256
ba00f0081b0a9a9fbe12b30d63cf77aca9b6f8fd0215e9a8fdd3c36dbf793190
sha512
1b5daae722a79094f06f4fff13b9d67dbe7878c12413198be67f1cfbaa14bc246a15b8ea4af016ccf331918b98e5ae2cd16084857aa73cf34650a88852457551
ripemd-160
9204ef5777be8a9dd403437583a744037c8e1e51
Diameter
57987674
Circumference
182173650.63716
Area
2.6409565661344E+15
Volume
1.0209528560344E+23
Surface area
1.0563826264538E+16
Circumference
182173650.63716
Perimeter
115975348
Area
840642583982569
Diagonal
41003477.510635
Surface area
5043855503895414
Volume
2.4373454055249E+22
Space diagonal
50218798.79037
Perimeter
86981511
Area
3.6400891661595E+14
Altitude
25109399.395185
Surface area
3.6400891661595E+14
Volume
2.8724391072343E+21
Height
13667825.836878