21438316 is an even 8-digits composite number following 21438315
and preceding 21438317 . In scientific notation, it is written as 2.1438316 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10709280 positive integers (up to 21438316) that are relatively prime to 21438316.
21438316 has 12 divisors, whose sum is 37551640
The reverse of 21438316 is 61383412
Previous prime number is 1609
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred thirty-eight thousand three hundred sixteen
Scientific notation
2.1438316 × 10^7
Engineering notation
2.1438316 × 10^6
Prime Factorization
2 × 2 × 1609 × 3331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10719158
Product of the distinct prime numbers
The prime factorization of 21438316 is 2 × 2 × 1609 × 3331.
Since it has a total of 4 prime factors.
8 , 3 , 31 , 26 , 820 , 792 , 5407 , 8841 , 6478 , 93967 , 893761 , 296320 , 762502 , 6815809 , 52563937 , 40032271 , 641723255 , 638301591 , 2044481418 , 593893307
n×2
42876632
n×3
64314948
n×4
85753264
n×5
107191580
n÷2
10719158
n÷3
7146105.3333333
n÷3
5359579
n÷5
4287663.2
n2
459601392915856
n3
9.8530798953703E+21
n4
2.112334403702E+29
n5
4.5284892444234E+36
2 √n
4630.1529132416
3 √n
277.79870872797
4 √n
68.045226968845
5 √n
29.257561973138
1 , 2 , 4 , 1609 , 3218 , 3331 , 6436 , 6662 , 13324 , 5359579 , 10719158 , 21438316
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21438315
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438316 can be divided by 12 positive divisors.
The sum of these divisors (counting 21438316) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110001111101101100
3
Ternary
1111100011211201
4
Quaternary
1101301331230
5
Quinary
20442011231
6
Senary
2043255244
8
Octal
121617554
10
Decimal
21438316
12
Duodecimal
721a524
16
Hexadecimal
1471f6c
20
Vigesimal
6djffg
36
Base36
crhws
md5
14f15ded1462fb976f733038dce4b57a
sha1
140e8f6dd30f014cbe2d8a8701048059c11ba59a
sha256
7188647ce8aa6a904ebef0e04c69c0a037b4e7b0ad45a032dd5e405bead67669
sha512
f5db8305743e6bc4120021d20c060e0fa96f06de761f094838d6d8196fd36fbf4968ccd5ad2528ddcf20685630d8708584ba797af0cd125352f4fd0c31eab0c1
ripemd-160
212f7741ffeb00088f2a5fc43578db9682d7b0e1
Diameter
42876632
Circumference
134700912.10187
Area
1.4438803595641E+15
Volume
4.1272484552705E+22
Surface area
5.7755214382564E+15
Circumference
134700912.10187
Perimeter
85753264
Area
459601392915856
Diagonal
30318357.24164
Surface area
2757608357495136
Volume
9.8530798953703E+21
Space diagonal
37132252.540717
Perimeter
64314948
Area
1.9901324093992E+14
Altitude
18566126.270358
Surface area
1.9901324093992E+14
Volume
1.1611966015982E+21
Height
10106119.080547