21909850 is an even 8-digits composite number following 21909849
and preceding 21909851 . In scientific notation, it is written as 2.1909850 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 8302320 positive integers (up to 21909850) that are relatively prime to 21909850.
21909850 has 16 divisors, whose sum is 35979840
The reverse of 21909850 is 05890912
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred nine thousand eight hundred fifty
Scientific notation
2.1909850 × 10^7
Engineering notation
2.1909850 × 10^6
Prime Factorization
2 × 25 × 19 × 23063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21909850
Product of the distinct prime numbers
The prime factorization of 21909850 is 2 × 25 × 19 × 23063.
Since it has a total of 4 prime factors.
5 , 1 , 60 , 99 , 155 , 880 , 4494 , 715 , 84595 , 87112 , 278452 , 670842 , 7651097 , 9424118 , 11658153 , 4080490 , 81354034 , 286421300 , 5659666439 , 2111921583
n×2
43819700
n×3
65729550
n×4
87639400
n×5
109549250
n÷2
10954925
n÷3
7303283.3333333
n÷3
5477462.5
n÷5
4381970
n2
480041527022500
n3
1.0517637850834E+22
n4
2.3043986766609E+29
n5
5.048902934584E+36
2 √n
4680.7958724986
3 √n
279.82067599406
4 √n
68.416342144977
5 √n
29.38514789529
1 , 2 , 19 , 25 , 38 , 50 , 475 , 950 , 23063 , 46126 , 438197 , 576575 , 876394 , 1153150 , 10954925 , 21909850
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21909849
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21909850 can be divided by 16 positive divisors.
The sum of these divisors (counting 21909850) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100101000101011010
3
Ternary
1112020010122221
4
Quaternary
1103211011122
5
Quinary
21102103400
6
Senary
2101334254
8
Octal
123450532
10
Decimal
21909850
12
Duodecimal
740738a
16
Hexadecimal
14e515a
20
Vigesimal
6gieca
36
Base36
d1lqy
md5
7ce2d0254c940b1697f2f6bda7fa3187
sha1
c2a76776613bf409a2ab4f44bbd83cd676879fb5
sha256
9a826bb3fd3d7cc1b030be9b248784af81fa7bf5f41b3b0008768df200319cc1
sha512
811b0cf5559cfc2715334f0fc372ba3358c07c1107f2423a8407fa7a3ffef76970363691f7f9126ae481b3b3eec57ddbcd4dfb55268a4b9fc528d251d84ec2d6
ripemd-160
2eeedcc029c846057413f63e9c5ea8cf010564d1
Diameter
43819700
Circumference
137663647.60251
Area
1.5080949347119E+15
Volume
4.4056178407064E+22
Surface area
6.0323797388476E+15
Circumference
137663647.60251
Perimeter
87639400
Area
480041527022500
Diagonal
30985207.01956
Surface area
2880249162135000
Volume
1.0517637850834E+22
Space diagonal
37948973.386213
Perimeter
65729550
Area
2.0786407863648E+14
Altitude
18974486.693106
Surface area
2.0786407863648E+14
Volume
1.2395155077315E+21
Height
10328402.339853