21000228 is an even 8-digits composite number following 21000227
and preceding 21000229 . In scientific notation, it is written as 2.1000228 × 10^7.
The sum of its digits is 15. It has a total of 5 prime factors and 24 positive divisors.
There are 6988320 positive integers (up to 21000228) that are relatively prime to 21000228.
21000228 has 24 divisors, whose sum is 49082880
The reverse of 21000228 is 82200012
Previous prime number is 829
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million two hundred twenty-eight
Scientific notation
2.1000228 × 10^7
Engineering notation
2.1000228 × 10^6
Prime Factorization
2 × 2 × 3 × 829 × 2111
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500114
Product of the distinct prime numbers
The prime factorization of 21000228 is 2 × 2 × 3 × 829 × 2111.
Since it has a total of 5 prime factors.
1 , 4 , 75 , 50 , 30 , 850 , 1997 , 3199 , 37092 , 2448 , 555533 , 778075 , 7149258 , 4693676 , 2077065 , 90515294 , 177869166 , 245064715 , 4896545422 , 2715617658
n×2
42000456
n×3
63000684
n×4
84000912
n×5
105001140
n÷2
10500114
n÷3
7000076
n÷3
5250057
n÷5
4200045.6
n2
441009576051984
n3
9.261301647275E+21
n4
1.9448944616955E+29
n5
4.0843227131543E+36
2 √n
4582.6005717278
3 √n
275.8934161023
4 √n
67.694908019199
5 √n
29.136997854259
1 , 2 , 3 , 4 , 6 , 12 , 829 , 1658 , 2111 , 2487 , 3316 , 4222 , 4974 , 6333 , 8444 , 9948 , 12666 , 25332 , 1750019 , 3500038 , 5250057 , 7000076 , 10500114 , 21000228
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000228 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000228) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111000000100100
3
Ternary
1110111220220020
4
Quaternary
1100013000210
5
Quinary
20334001403
6
Senary
2030035140
8
Octal
120070044
10
Decimal
21000228
12
Duodecimal
7048ab0
16
Hexadecimal
1407024
20
Vigesimal
6b50b8
36
Base36
ci3vo
md5
6e4c26bd40f21fac20df7055761b95d0
sha1
6d4429c870319fce92fa3525e7f262e8343f16b0
sha256
8669e5ce19b574e24472d4bbe85cd56609ddd0e5032734ad3fff6dd99e4cd045
sha512
d3c0f406ac72df9820e70cd7c52bead2512cc0395572291e08c4a96429eb798f0db99ebe745588adb9b852166c43f6fd2a6fcb4183e751491236bb316d54eb93
ripemd-160
88f84fff38814db673887a94d8d169e2d2c94d0a
Diameter
42000456
Circumference
131948324.01702
Area
1.3854724442877E+15
Volume
3.8793649623678E+22
Surface area
5.5418897771506E+15
Circumference
131948324.01702
Perimeter
84000912
Area
441009576051984
Diagonal
29698807.250527
Surface area
2646057456311904
Volume
9.261301647275E+21
Space diagonal
36373461.866531
Perimeter
63000684
Area
1.9096274808661E+14
Altitude
18186730.933265
Surface area
1.9096274808661E+14
Volume
1.0914548662337E+21
Height
9899602.4168424