21438064 is an even 8-digits composite number following 21438063
and preceding 21438065 . In scientific notation, it is written as 2.1438064 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 10670400 positive integers (up to 21438064) that are relatively prime to 21438064.
21438064 has 20 divisors, whose sum is 41724760
The reverse of 21438064 is 46083412
Previous prime number is 229
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 sixty-four
Scientific notation
2.1438064 × 10^7
Engineering notation
2.1438064 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 229 × 5851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2679758
Product of the distinct prime numbers
The prime factorization of 21438064 is 2 × 2 × 2 × 2 × 229 × 5851.
Since it has a total of 6 prime factors.
5 , 9 , 65 , 86 , 692 , 726 , 7445 , 4320 , 60127 , 60333 , 458936 , 707601 , 658694 , 4795280 , 62645406 , 32193019 , 659044092 , 232503714 , 7498779003 , 6240471392
n×2
42876128
n×3
64314192
n×4
85752256
n×5
107190320
n÷2
10719032
n÷3
7146021.3333333
n÷3
5359516
n÷5
4287612.8
n2
459590588068096
n3
9.8527324408015E+21
n4
2.1122350864078E+29
n5
4.5282230965456E+36
2 √n
4630.1257002375
3 √n
277.79762024775
4 √n
68.045027005928
5 √n
29.257493190308
1 , 2 , 4 , 8 , 16 , 229 , 458 , 916 , 1832 , 3664 , 5851 , 11702 , 23404 , 46808 , 93616 , 1339879 , 2679758 , 5359516 , 10719032 , 21438064
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21438063
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438064 can be divided by 20 positive divisors.
The sum of these divisors (counting 21438064) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001110001111001110000
3
Ternary
1111100011111101
4
Quaternary
1101301321300
5
Quinary
20442004224
6
Senary
2043254144
8
Octal
121617160
10
Decimal
21438064
12
Duodecimal
721a354
16
Hexadecimal
1471e70
20
Vigesimal
6djf34
36
Base36
crhps
md5
20c338868bdc6dcb8954b342df5722f4
sha1
ba4742b2f138d5c46860fd7d8e973ac4c39d5aeb
sha256
69aecb8a840f1aef4bfa875d823f04762c70eacc01ba14739de4ff31ec623305
sha512
6e4e67e1cc952c30deb8f69764f70d61894ee071fb1dfc1cfc11514e83d7bbebc76bf1ce5ce4f75da6eed15aac73c121fa89737fb9abf9498421f24a77407013
ripemd-160
e5773d8760c35c4bafc22773a7bf1f5dba4de092
Diameter
42876128
Circumference
134699328.73918
Area
1.4438464151337E+15
Volume
4.127102913841E+22
Surface area
5.775385660535E+15
Circumference
134699328.73918
Perimeter
85752256
Area
459590588068096
Diagonal
30318000.859822
Surface area
2757543528408576
Volume
9.8527324408015E+21
Space diagonal
37131816.063913
Perimeter
64314192
Area
1.990085623036E+14
Altitude
18565908.031957
Surface area
1.990085623036E+14
Volume
1.1611556536846E+21
Height
10106000.286607