21438044 is an even 8-digits composite number following 21438043
and preceding 21438045 . In scientific notation, it is written as 2.1438044 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 10688448 positive integers (up to 21438044) that are relatively prime to 21438044.
21438044 has 12 divisors, whose sum is 37623600
The reverse of 21438044 is 44083412
Previous prime number is 359
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred thirty-eight thousand forty-four
Scientific notation
2.1438044 × 10^7
Engineering notation
2.1438044 × 10^6
Prime Factorization
2 × 2 × 359 × 14929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10719022
Product of the distinct prime numbers
The prime factorization of 21438044 is 2 × 2 × 359 × 14929.
Since it has a total of 4 prime factors.
9 , 10 , 42 , 29 , 940 , 563 , 8358 , 7493 , 37338 , 56932 , 739792 , 624459 , 7566397 , 1328465 , 94878675 , 95917975 , 732815623 , 19234106 , 3300498838 , 4555107328
n×2
42876088
n×3
64314132
n×4
85752176
n×5
107190220
n÷2
10719022
n÷3
7146014.6666667
n÷3
5359511
n÷5
4287608.8
n2
459589730545936
n3
9.8527048653919E+21
n4
2.1122272042329E+29
n5
4.5282019742341E+36
2 √n
4630.1235404684
3 √n
277.79753386006
4 √n
68.04501113578
5 √n
29.257487731325
1 , 2 , 4 , 359 , 718 , 1436 , 14929 , 29858 , 59716 , 5359511 , 10719022 , 21438044
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
-21438043
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 21438044 can be divided by 12 positive divisors.
The sum of these divisors (counting 21438044) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110001111001011100
3
Ternary
1111100011110122
4
Quaternary
1101301321130
5
Quinary
20442004134
6
Senary
2043254112
8
Octal
121617134
10
Decimal
21438044
12
Duodecimal
721a338
16
Hexadecimal
1471e5c
20
Vigesimal
6djf24
36
Base36
crhp8
md5
36416e133df61ca9c6c1776d29afeb93
sha1
c9404179b1a9417b86a846d17a40bf2d8138ddac
sha256
339c94622062379d2be60e03156e9cbb6ec1c36cd2a9f8b305e7c9c799fdf6e6
sha512
8bd6d5de7ba8ff04352cb9e21468e5f939b38df209a465d4595128bada0b7ebfff532bbef5f9470ff2d78440c2ed70819e94ae722d45c733fe5aa6f1bb18a9bf
ripemd-160
baea3e2547296a4b80ef5d7328ddf61049eb1db0
Diameter
42876088
Circumference
134699203.07547
Area
1.4438437211484E+15
Volume
4.1270913630805E+22
Surface area
5.7753748845937E+15
Circumference
134699203.07547
Perimeter
85752176
Area
459589730545936
Diagonal
30317972.575551
Surface area
2757538383275616
Volume
9.8527048653919E+21
Space diagonal
37131781.422897
Perimeter
64314132
Area
1.9900819098561E+14
Altitude
18565890.711449
Surface area
1.9900819098561E+14
Volume
1.1611524038914E+21
Height
10105990.858517