28874909 is an odd 8-digits composite number following 28874908
and preceding 28874910 . In scientific notation, it is written as 2.8874909 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 24724656 positive integers (up to 28874909) that are relatively prime to 28874909.
28874909 has 8 divisors, whose sum is 33033600
The reverse of 28874909 is 90947882
Previous prime number is 2663
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million eight hundred seventy-four thousand nine hundred nine
Scientific notation
2.8874909 × 10^7
Engineering notation
2.8874909 × 10^6
Prime Factorization
7 × 2663 × 1549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28874909
Product of the distinct prime numbers
The prime factorization of 28874909 is 7 × 2663 × 1549.
Since it has a total of 3 prime factors.
1 , 1 , 24 , 54 , 716 , 778 , 8588 , 4763 , 70370 , 27299 , 23084 , 75213 , 9883252 , 6141097 , 70459793 , 28695713 , 298184100 , 12544691 , 3746134505 , 535272065
n×2
57749818
n×3
86624727
n×4
115499636
n×5
144374545
n÷2
14437454.5
n÷3
9624969.6666667
n÷3
7218727.25
n÷5
5774981.8
n2
833760369758281
n3
2.4074754804577E+22
n4
6.9515635417947E+29
n5
2.0072576467704E+37
2 √n
5373.5378476382
3 √n
306.78929969871
4 √n
73.304419018489
5 √n
31.053040151167
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
-28874908
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 28874909 can be divided by 8 positive divisors.
The sum of these divisors (counting 28874909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110001001100010011101
3
Ternary
2000022222221002
4
Quaternary
1232021202131
5
Quinary
24342444114
6
Senary
2510520045
8
Octal
156114235
10
Decimal
28874909
12
Duodecimal
9806025
16
Hexadecimal
1b8989d
20
Vigesimal
909759
36
Base36
h6w0t
md5
4182bd224893da298847789648e8c366
sha1
6151f242f5e298a315f0e9a2a63bcbf05afc0bc8
sha256
f97537c7553ed50bb9671b365db6692fd6c6ad087ded7d2cfe4c80b1abcf5a60
sha512
0d60f8dcab31d8499514b15e060b3956363c0e87f00d19187a93621690cd3aedee266638e3dd3bc33e59de9712690368d49699f62ab48e659298e2b26d4a3575
ripemd-160
af34131c1a8847d7a778e39ea4b6e349f146e708
Diameter
57749818
Circumference
181426403.97495
Area
2.6193354524869E+15
Volume
1.0084409710805E+23
Surface area
1.0477341809948E+16
Circumference
181426403.97495
Perimeter
115499636
Area
833760369758281
Diagonal
40835287.920089
Surface area
5002562218549686
Volume
2.4074754804577E+22
Space diagonal
50012809.451928
Perimeter
86624727
Area
3.6102883043969E+14
Altitude
25006404.725964
Surface area
3.6102883043969E+14
Volume
2.8372370629533E+21
Height
13611762.64003