21490838 is an even 8-digits composite number following 21490837
and preceding 21490839 . In scientific notation, it is written as 2.1490838 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10738800 positive integers (up to 21490838) that are relatively prime to 21490838.
21490838 has 8 divisors, whose sum is 32256120
The reverse of 21490838 is 83809412
Previous prime number is 2851
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety thousand eight hundred thirty-eight
Scientific notation
2.1490838 × 10^7
Engineering notation
2.1490838 × 10^6
Prime Factorization
2 × 2851 × 3769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21490838
Product of the distinct prime numbers
The prime factorization of 21490838 is 2 × 2851 × 3769.
Since it has a total of 3 prime factors.
6 , 2 , 84 , 92 , 428 , 441 , 2656 , 7271 , 79405 , 35080 , 961362 , 364387 , 409581 , 4400571 , 43919922 , 99419188 , 376600987 , 374540597 , 1790760115 , 4643226979
n×2
42981676
n×3
64472514
n×4
85963352
n×5
107454190
n÷2
10745419
n÷3
7163612.6666667
n÷3
5372709.5
n÷5
4298167.6
n2
461856117942244
n3
9.9256750100057E+21
n4
2.1331107368068E+29
n5
4.5842337280776E+36
2 √n
4635.8211786047
3 √n
278.02538456677
4 √n
68.086864949157
5 √n
29.271883639086
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490838 can be divided by 8 positive divisors.
The sum of these divisors (counting 21490838) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110010010110
3
Ternary
1111102211212222
4
Quaternary
1101332302112
5
Quinary
21000201323
6
Senary
2044342342
8
Octal
121766226
10
Decimal
21490838
12
Duodecimal
72449b2
16
Hexadecimal
147ec96
20
Vigesimal
6e671i
36
Base36
csmfq
md5
5c003d7aefd4375099f6bcea9f4f05d3
sha1
67bf80e2c08d67528f0cecf3ebbcc6fea7f448a8
sha256
a99dfda0d53c36949332eb4225903c652200fc85353f2367e841e698655271e6
sha512
b41bd4b18849121b466c514bb82d86b27c70170e6216809b910da6e9cec168decebcea307734eacce30874560afd930686f4a12bcd13a7bcf938e245987f357d
ripemd-160
82d85c9ee092c9375c3d0264bfa35c05bfd6d0ff
Diameter
42981676
Circumference
135030917.56058
Area
1.4509637871429E+15
Volume
4.1576570257805E+22
Surface area
5.8038551485714E+15
Circumference
135030917.56058
Perimeter
85963352
Area
461856117942244
Diagonal
30392634.566363
Surface area
2771136707653464
Volume
9.9256750100057E+21
Space diagonal
37223223.313232
Perimeter
64472514
Area
1.9998956551562E+14
Altitude
18611611.656616
Surface area
1.9998956551562E+14
Volume
1.1697520179048E+21
Height
10130878.188788