21293438 is an even 8-digits composite number following 21293437
and preceding 21293439 . In scientific notation, it is written as 2.1293438 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10646718 positive integers (up to 21293438) that are relatively prime to 21293438.
21293438 has 4 divisors, whose sum is 31940160
The reverse of 21293438 is 83439212
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred ninety-three thousand four hundred thirty-eight
Scientific notation
2.1293438 × 10^7
Engineering notation
2.1293438 × 10^6
Prime Factorization
2 × 10646719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21293438
Product of the distinct prime numbers
The prime factorization of 21293438 is 2 × 10646719.
Since it has a total of 2 prime factors.
10 , 3 , 93 , 27 , 312 , 954 , 248 , 6791 , 98407 , 91698 , 662410 , 566645 , 3845842 , 6670470 , 48216110 , 94270128 , 663773595 , 850206219 , 3765396352 , 782621769
n×2
42586876
n×3
63880314
n×4
85173752
n×5
106467190
n÷2
10646719
n÷3
7097812.6666667
n÷3
5323359.5
n÷5
4258687.6
n2
453410501859844
n3
9.6546684099015E+21
n4
2.055810831968E+29
n5
4.3775280490238E+36
2 √n
4614.4813359683
3 √n
277.17151511192
4 √n
67.929973766875
5 √n
29.217910707274
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21293437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21293438 can be divided by 4 positive divisors.
The sum of these divisors (counting 21293438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001110100101111110
3
Ternary
1111001211002212
4
Quaternary
1101032211332
5
Quinary
20422342223
6
Senary
2040220422
8
Octal
121164576
10
Decimal
21293438
12
Duodecimal
716a712
16
Hexadecimal
144e97e
20
Vigesimal
6d1dbi
36
Base36
coe4e
md5
212886fa4c49a639e2759c2b30aa7359
sha1
dc20c7f9f1278e0fbd3f113b15081bc4eec22cef
sha256
ad2271f5a391fe98fa8f4f3dc307dac0a7d2d254523f55c90fcd9c7040a486b4
sha512
271bbc680e55399dd9763ec8e40184ae92ef94de2c53ffb035b2464274408259656a36b5a4ab07008deccf0ae53971051acebad779e98795d896a23328aae337
ripemd-160
ab002fb8e82b73691c4f61ad435fb56a4f6ce62b
Diameter
42586876
Circumference
133790616.78094
Area
1.4244311017033E+15
Volume
4.0441380465856E+22
Surface area
5.6977244068134E+15
Circumference
133790616.78094
Perimeter
85173752
Area
453410501859844
Diagonal
30113468.809151
Surface area
2720463011159064
Volume
9.6546684099015E+21
Space diagonal
36881316.483818
Perimeter
63880314
Area
1.9633250647664E+14
Altitude
18440658.241909
Surface area
1.9633250647664E+14
Volume
1.1378135837915E+21
Height
10037822.936384