28355621 is an odd 8-digits composite number following 28355620
and preceding 28355622 . In scientific notation, it is written as 2.8355621 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 24268320 positive integers (up to 28355621) that are relatively prime to 28355621.
28355621 has 8 divisors, whose sum is 32455104
The reverse of 28355621 is 12655382
Previous prime number is 761
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million three hundred fifty-five thousand six hundred twenty-one
Scientific notation
2.8355621 × 10^7
Engineering notation
2.8355621 × 10^6
Prime Factorization
7 × 761 × 5323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28355621
Product of the distinct prime numbers
The prime factorization of 28355621 is 7 × 761 × 5323.
Since it has a total of 3 prime factors.
5 , 10 , 69 , 66 , 140 , 857 , 8008 , 5576 , 73403 , 45795 , 221248 , 14210 , 3333080 , 8477536 , 85163735 , 51880976 , 31872458 , 671062368 , 3691115089 , 8027665861
n×2
56711242
n×3
85066863
n×4
113422484
n×5
141778105
n÷2
14177810.5
n÷3
9451873.6666667
n÷3
7088905.25
n÷5
5671124.2
n2
804041242295641
n3
2.2799088734904E+22
n4
6.4648231931232E+29
n5
1.8331407629621E+37
2 √n
5324.9996244131
3 √n
304.93905796642
4 √n
72.972595023153
5 √n
30.940535974334
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
-28355620
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 28355621 can be divided by 8 positive divisors.
The sum of these divisors (counting 28355621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100001010110000100101
3
Ternary
1222100121121012
4
Quaternary
1230022300211
5
Quinary
24224334441
6
Senary
2451432005
8
Octal
154126045
10
Decimal
28355621
12
Duodecimal
95b5605
16
Hexadecimal
1b0ac25
20
Vigesimal
8h4911
36
Base36
gvrc5
md5
69a72abc26921c0b439be8d158cbe95b
sha1
bc0d1c83ec74fda94546540895583219d3c2fcda
sha256
20b0d6971a979db3e9265c45d99643ab21f5e70da617498f9c28fe211c4e5d4e
sha512
16989a59cb7c79c04682055377461f58a4f2a02f552181c0e3d71dbaca5620b4793a8a6cf295b56a83980ea7b1bdb3c364e97ab26bb7e10fbd6c265c5765e3a8
ripemd-160
b627d74c388ea0bcaf22e961d5ec109c37a66e28
Diameter
56711242
Circumference
178163621.24315
Area
2.5259700599792E+15
Volume
9.5500599570823E+22
Surface area
1.0103880239917E+16
Circumference
178163621.24315
Perimeter
113422484
Area
804041242295641
Diagonal
40100903.787711
Surface area
4824247453773846
Volume
2.2799088734904E+22
Space diagonal
49113376.252167
Perimeter
85066863
Area
3.4816007075921E+14
Altitude
24556688.126084
Surface area
3.4816007075921E+14
Volume
2.6868983748875E+21
Height
13366967.929237