21438084 is an even 8-digits composite number following 21438083
and preceding 21438085 . In scientific notation, it is written as 2.1438084 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7028640 positive integers (up to 21438084) that are relatively prime to 21438084.
21438084 has 24 divisors, whose sum is 50843968
The reverse of 21438084 is 48083412
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred thirty-eight thousand eighty-four
Scientific notation
2.1438084 × 10^7
Engineering notation
2.1438084 × 10^6
Prime Factorization
2 × 2 × 3 × 61 × 29287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10719042
Product of the distinct prime numbers
The prime factorization of 21438084 is 2 × 2 × 3 × 61 × 29287.
Since it has a total of 5 prime factors.
8 , 3 , 59 , 93 , 31 , 184 , 6156 , 4114 , 97992 , 5978 , 820297 , 455077 , 4355257 , 228713 , 78089660 , 39164693 , 18991469 , 387148186 , 8227636684 , 9933729222
n×2
42876168
n×3
64314252
n×4
85752336
n×5
107190420
n÷2
10719042
n÷3
7146028
n÷3
5359521
n÷5
4287616.8
n2
459591445591056
n3
9.8527600162625E+21
n4
2.1122429686048E+29
n5
4.5282442189358E+36
2 √n
4630.1278600056
3 √n
277.79770663538
4 √n
68.045042876066
5 √n
29.257498649286
1 , 2 , 3 , 4 , 6 , 12 , 61 , 122 , 183 , 244 , 366 , 732 , 29287 , 58574 , 87861 , 117148 , 175722 , 351444 , 1786507 , 3573014 , 5359521 , 7146028 , 10719042 , 21438084
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
-21438083
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 21438084 can be divided by 24 positive divisors.
The sum of these divisors (counting 21438084) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001110001111010000100
3
Ternary
1111100011112010
4
Quaternary
1101301322010
5
Quinary
20442004314
6
Senary
2043254220
8
Octal
121617204
10
Decimal
21438084
12
Duodecimal
721a370
16
Hexadecimal
1471e84
20
Vigesimal
6djf44
36
Base36
crhqc
md5
6ca034c31d3c9a491e852453d1be36ce
sha1
2e33e832f0011dbfcf6b9c268b645e5e18348291
sha256
071cc34c329aec166138e553df31c57387aa865b0f681e5f56254c7180c52360
sha512
303f47db61ec0578b8bca8d94692f29e0dfcd48e55b8e23e01d3611a4feba6b09e11b2308b3dd71cb913611a415e12549e46d86f42418ce628e76ffeeff431fa
ripemd-160
eb54211d37ec2188d0b333371fa21bd47fac33d9
Diameter
42876168
Circumference
134699454.40288
Area
1.4438491091216E+15
Volume
4.1271144646231E+22
Surface area
5.7753964364863E+15
Circumference
134699454.40288
Perimeter
85752336
Area
459591445591056
Diagonal
30318029.144094
Surface area
2757548673546336
Volume
9.8527600162625E+21
Space diagonal
37131850.704929
Perimeter
64314252
Area
1.9900893362193E+14
Altitude
18565925.352465
Surface area
1.9900893362193E+14
Volume
1.1611589034838E+21
Height
10106009.714698