28223821 is an odd 8-digits prime number following 28223820
and preceding 28223822 . In scientific notation, it is written as 2.8223821 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 28223820 positive integers (up to 28223821) that are relatively prime to 28223821.
28223821 has 2 divisors, whose sum is 28223822
The reverse of 28223821 is 12832282
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 28 Digital Root 1
Name
twenty-eight million two hundred twenty-three thousand eight hundred twenty-one
Scientific notation
2.8223821 × 10^7
Engineering notation
2.8223821 × 10^6
Prime Factorization
28223821
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28223821 Product of the distinct prime numbers
The prime factorization of 28223821 is 28223821.
Since it has a total of 1 prime factors.
10 , 2 , 21 , 2 , 456 , 14 , 7847 , 1274 , 74992 , 5988 , 246430 , 255834 , 4336258 , 6659642 , 51327811 , 36465392 , 30786910 , 850164788 , 1132921374 , 5579219640
n×2
56447642
n×3
84671463
n×4
112895284
n×5
141119105
n÷2
14111910.5
n÷3
9407940.3333333
n÷3
7055955.25
n÷5
5644764.2
n2
796584071840041
n3
2.2482646255064E+22
n4
6.3454618350926E+29
n5
1.7909317899598E+37
2 √n5312.6096223984
3 √n304.46586078506
4 √n72.887650685136
5 √n30.911719354304
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28223822 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14111911 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5312.6097165141 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999291379 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28223821 can be divided by 2 positive divisors.
The sum of these divisors (counting 28223821) is 28223822, the average is 14111911.
Base
System
Value
2
Binary
1101011101010100101001101
3
Ternary
1222002220210201
4
Quaternary
1223222211031
5
Quinary
24211130241
6
Senary
2444533501
8
Octal
153524515
10
Decimal
28223821
12
Duodecimal
9551291
16
Hexadecimal
1aea94d
20
Vigesimal
8g7jb1
36
Base36
gsxn1
md5
22338d8053e0db3069bf7ce4f7b115dd
sha1
40cdadbe827dc5ae6b22e1b3518dbe8e11239c96
sha256
de492124dba4c3010319ab5cd8aa97a25815d19a58a93422810cf4e3a08750aa
sha512
7fc6c2d12b76f3a6487c34600c00bac156272907461224083f16a6c12c7bc5b3d9045c37facdfaa19dfdca2e04de98fe80a23bbc0aacc10839de00087cdfa285
ripemd-160
c11ddcd182e0e79b5e0611305e3f7854b4a14427
Diameter
56447642
Circumference
177335497.41967
Area
2.5025426680593E+15
Volume
9.4175088410891E+22
Surface area
1.0010170672237E+16
Circumference
177335497.41967
Perimeter
112895284
Area
796584071840041
Diagonal
39914510.440191
Surface area
4779504431040246
Volume
2.2482646255064E+22
Space diagonal
48885091.955729
Perimeter
84671463
Area
3.4493102123176E+14
Altitude
24442545.977865
Surface area
3.4493102123176E+14
Volume
2.6496052709957E+21
Height
13304836.813397