21103428 is an even 8-digits composite number following 21103427
and preceding 21103429 . In scientific notation, it is written as 2.1103428 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6849024 positive integers (up to 21103428) that are relatively prime to 21103428.
21103428 has 24 divisors, whose sum is 37604952
The reverse of 21103428 is 82430112
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred three thousand four hundred twenty-eight
Scientific notation
2.1103428 × 10^7
Engineering notation
2.1103428 × 10^6
Prime Factorization
2 × 2 × 237 × 113 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10551714
Product of the distinct prime numbers
The prime factorization of 21103428 is 2 × 2 × 237 × 113 × 197.
Since it has a total of 5 prime factors.
8 , 4 , 99 , 16 , 723 , 675 , 4489 , 3140 , 72022 , 83536 , 583405 , 66710 , 3091394 , 9131862 , 98424010 , 30575803 , 938107610 , 742326631 , 918108134 , 4194031477
n×2
42206856
n×3
63310284
n×4
84413712
n×5
105517140
n÷2
10551714
n÷3
7034476
n÷3
5275857
n÷5
4220685.6
n2
445354673351184
n3
9.3985102835302E+21
n4
1.9834078507574E+29
n5
4.1856704773093E+36
2 √n
4593.8467540831
3 √n
276.34461259706
4 √n
67.777922320495
5 √n
29.165578923281
1 , 2 , 4 , 113 , 197 , 226 , 237 , 394 , 452 , 474 , 788 , 948 , 22261 , 26781 , 44522 , 46689 , 53562 , 89044 , 93378 , 107124 , 186756 , 5275857 , 10551714 , 21103428
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
-21103427
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 21103428 can be divided by 24 positive divisors.
The sum of these divisors (counting 21103428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100000001101000100
3
Ternary
1110201011110110
4
Quaternary
1100200031010
5
Quinary
20400302203
6
Senary
2032153020
8
Octal
120401504
10
Decimal
21103428
12
Duodecimal
7098770
16
Hexadecimal
1420344
20
Vigesimal
6bhib8
36
Base36
ckbic
md5
70b644a718d5ef9d3e385aae26d77fec
sha1
3f26c724b038ba3533fec4fa7899d81044dc0926
sha256
0aa01fc810cbb0b4c402d45729f778c9c610ae7a96d6acaef8b03c594476c2bb
sha512
3dcb45b2ece246d0623a3c1e1594498b9bf844761cd0be180d8a90cd17860d95257b876dfd211821a36191463b2148ca6ca014cc562b1bcc3513fa80cf5b0649
ripemd-160
f9dfebcf2b2911b1e50e79ccf21bab2a7ac23976
Diameter
42206856
Circumference
132596748.74072
Area
1.399122970042E+15
Volume
3.9368387815236E+22
Surface area
5.5964918801678E+15
Circumference
132596748.74072
Perimeter
84413712
Area
445354673351184
Diagonal
29844754.090164
Surface area
2672128040107104
Volume
9.3985102835302E+21
Space diagonal
36552209.509872
Perimeter
63310284
Area
1.9284423040812E+14
Altitude
18276104.754936
Surface area
1.9284423040812E+14
Volume
1.1076250590893E+21
Height
9948251.363388