21438056 is an even 8-digits composite number following 21438055
and preceding 21438057 . In scientific notation, it is written as 2.1438056 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 10571904 positive integers (up to 21438056) that are relatively prime to 21438056.
21438056 has 16 divisors, whose sum is 40748100
The reverse of 21438056 is 65083412
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred thirty-eight thousand fifty-six
Scientific notation
2.1438056 × 10^7
Engineering notation
2.1438056 × 10^6
Prime Factorization
2 × 2 × 2 × 73 × 36709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5359514
Product of the distinct prime numbers
The prime factorization of 21438056 is 2 × 2 × 2 × 73 × 36709.
Since it has a total of 5 prime factors.
4 , 8 , 78 , 60 , 188 , 797 , 8736 , 8581 , 17583 , 9374 , 86984 , 210436 , 7244830 , 7514180 , 667028 , 52254601 , 337331780 , 643660698 , 8479607848 , 8641745314
n×2
42876112
n×3
64314168
n×4
85752224
n×5
107190280
n÷2
10719028
n÷3
7146018.6666667
n÷3
5359514
n÷5
4287611.2
n2
459590245059136
n3
9.8527214106315E+21
n4
2.1122319335352E+29
n5
4.5282146476115E+36
2 √n
4630.12483633
3 √n
277.79758569268
4 √n
68.04502065787
5 √n
29.257491006715
1 , 2 , 4 , 8 , 73 , 146 , 292 , 584 , 36709 , 73418 , 146836 , 293672 , 2679757 , 5359514 , 10719028 , 21438056
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
-21438055
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 21438056 can be divided by 16 positive divisors.
The sum of these divisors (counting 21438056) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110001111001101000
3
Ternary
1111100011111002
4
Quaternary
1101301321220
5
Quinary
20442004211
6
Senary
2043254132
8
Octal
121617150
10
Decimal
21438056
12
Duodecimal
721a348
16
Hexadecimal
1471e68
20
Vigesimal
6djf2g
36
Base36
crhpk
md5
cfc9df6a8d239ad087f7bb5cc9c0b838
sha1
16040690999cf9f9df33fec3dd70c8368d0054dc
sha256
3d10cb97af925c2543f07959941a29d875de5618e2481ca957815b017f5da706
sha512
4e39d4155d244ea1e29853479fa4161ce5a82e01ca7e58f887b18e43822afe9cd13e49ad68f4591599b7bd230dd875ccd346470d0f797309f0bfb2ee983b34c4
ripemd-160
d9688ae834149500bc21ef7ea3fdfb50c51f770d
Diameter
42876112
Circumference
134699278.47369
Area
1.4438453375393E+15
Volume
4.1270982935342E+22
Surface area
5.7753813501573E+15
Circumference
134699278.47369
Perimeter
85752224
Area
459590245059136
Diagonal
30317989.546114
Surface area
2757541470354816
Volume
9.8527214106315E+21
Space diagonal
37131802.207507
Perimeter
64314168
Area
1.9900841377636E+14
Altitude
18565901.103753
Surface area
1.9900841377636E+14
Volume
1.1611543537666E+21
Height
10105996.515371