28013409 is an odd 8-digits composite number following 28013408
and preceding 28013410 . In scientific notation, it is written as 2.8013409 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 18653400 positive integers (up to 28013409) that are relatively prime to 28013409.
28013409 has 12 divisors, whose sum is 40511952
The reverse of 28013409 is 90431082
Previous prime number is 1291
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million thirteen thousand four hundred nine
Scientific notation
2.8013409 × 10^7
Engineering notation
2.8013409 × 10^6
Prime Factorization
3 × 3 × 1291 × 2411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9337803
Product of the distinct prime numbers
The prime factorization of 28013409 is 3 × 3 × 1291 × 2411.
Since it has a total of 4 prime factors.
9 , 4 , 45 , 13 , 605 , 545 , 774 , 3250 , 63138 , 5948 , 926888 , 2540 , 1838133 , 3532296 , 67486572 , 31324388 , 820428465 , 58975908 , 8305866947 , 2996751780
n×2
56026818
n×3
84040227
n×4
112053636
n×5
140067045
n÷2
14006704.5
n÷3
9337803
n÷3
7003352.25
n÷5
5602681.8
n2
784751083801281
n3
2.1983553073719E+22
n4
6.1583426352729E+29
n5
1.7251617100404E+37
2 √n
5292.7695018771
3 √n
303.70736281073
4 √n
72.751422679402
5 √n
30.865491171831
1 , 3 , 9 , 1291 , 2411 , 3873 , 7233 , 11619 , 21699 , 3112601 , 9337803 , 28013409
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
-28013408
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 28013409 can be divided by 12 positive divisors.
The sum of these divisors (counting 28013409) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010110111001101100001
3
Ternary
1221201020011200
4
Quaternary
1222313031201
5
Quinary
24132412114
6
Senary
2440231413
8
Octal
152671541
10
Decimal
28013409
12
Duodecimal
946b569
16
Hexadecimal
1ab7361
20
Vigesimal
8f1da9
36
Base36
gofa9
md5
54fc6d3ba1bcaac6dce89f929c004043
sha1
eab356031f28601d86d431dee5c4bb6eba76565d
sha256
3557727427b29fe4acc189c7f16b0a7e619af5ea1653882c66e1971c0a80d308
sha512
5881090152a0ba6ac3035e30c73636c8a70299805f1e5d244128c1fc9a9405b519ae6ce560d81985d6a20333d8b59b9da450851c215267b5eb48cbb1aa86ef15
ripemd-160
2c965a16ce6e67f3777c17a65e3d95b598f83016
Diameter
56026818
Circumference
176013439.83281
Area
2.4653682397667E+15
Volume
9.2084491781594E+22
Surface area
9.8614729590669E+15
Circumference
176013439.83281
Perimeter
112053636
Area
784751083801281
Diagonal
39616942.936105
Surface area
4708506502807686
Volume
2.1983553073719E+22
Space diagonal
48520647.681207
Perimeter
84040227
Area
3.3980718710964E+14
Altitude
24260323.840604
Surface area
3.3980718710964E+14
Volume
2.5907865755001E+21
Height
13205647.645368