21438030 is an even 8-digits composite number following 21438029
and preceding 21438031 . In scientific notation, it is written as 2.1438030 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 5716800 positive integers (up to 21438030) that are relatively prime to 21438030.
21438030 has 16 divisors, whose sum is 51451344
The reverse of 21438030 is 03083412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million four hundred thirty-eight thousand thirty
Scientific notation
2.1438030 × 10^7
Engineering notation
2.1438030 × 10^6
Prime Factorization
2 × 3 × 5 × 714601
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21438030
Product of the distinct prime numbers
The prime factorization of 21438030 is 2 × 3 × 5 × 714601.
Since it has a total of 4 prime factors.
2 , 7 , 52 , 97 , 825 , 462 , 1920 , 9100 , 51830 , 18395 , 303471 , 584599 , 2088728 , 8627084 , 65218798 , 5356602 , 122430197 , 855031107 , 1019326694 , 4972725939
n×2
42876060
n×3
64314090
n×4
85752120
n×5
107190150
n÷2
10719015
n÷3
7146010
n÷3
5359507.5
n÷5
4287606
n2
459589130280900
n3
9.8526855626358E+21
n4
2.1122216867235E+29
n5
4.528187188663E+36
2 √n
4630.1220286295
3 √n
277.79747338865
4 √n
68.04500002667
5 √n
29.257483910035
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 714601 , 1429202 , 2143803 , 3573005 , 4287606 , 7146010 , 10719015 , 21438030
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
-21438029
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 21438030 can be divided by 16 positive divisors.
The sum of these divisors (counting 21438030) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110001111001001110
3
Ternary
1111100011110010
4
Quaternary
1101301321032
5
Quinary
20442004110
6
Senary
2043254050
8
Octal
121617116
10
Decimal
21438030
12
Duodecimal
721a326
16
Hexadecimal
1471e4e
20
Vigesimal
6djf1a
36
Base36
crhou
md5
1f267611572e0453708ac9a81476fd61
sha1
ccd85c3e423b031b96f3541b364ca29bccded335
sha256
d47864a4795e60c6da2cd9e9156de1a3d260f0e9a8b7d55ffa26ef926f05d7bb
sha512
4a300b073ae01f66b5cc70c1ed0074e19f07af85bb23d0256d2024d6dc1b5ec0c1e3f9ef0b3f48442940fff9a2a8a8488e6ba569d8516c153253f4a482bfeefb
ripemd-160
d6080ecd9152a68a4fd41820200cb96e53bf5cd4
Diameter
42876060
Circumference
134699115.11088
Area
1.4438418353602E+15
Volume
4.1270832775609E+22
Surface area
5.7753673414408E+15
Circumference
134699115.11088
Perimeter
85752120
Area
459589130280900
Diagonal
30317952.776561
Surface area
2757534781685400
Volume
9.8526855626358E+21
Space diagonal
37131757.174186
Perimeter
64314090
Area
1.9900793106323E+14
Altitude
18565878.587093
Surface area
1.9900793106323E+14
Volume
1.1611501290398E+21
Height
10105984.258854