21493822 is an even 8-digits composite number following 21493821
and preceding 21493823 . In scientific notation, it is written as 2.1493822 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8811000 positive integers (up to 21493822) that are relatively prime to 21493822.
21493822 has 16 divisors, whose sum is 38449152
The reverse of 21493822 is 22839412
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-three thousand eight hundred twenty-two
Scientific notation
2.1493822 × 10^7
Engineering notation
2.1493822 × 10^6
Prime Factorization
2 × 7 × 23 × 66751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21493822
Product of the distinct prime numbers
The prime factorization of 21493822 is 2 × 7 × 23 × 66751.
Since it has a total of 4 prime factors.
9 , 2 , 25 , 93 , 970 , 109 , 5671 , 6022 , 87384 , 58747 , 633447 , 575100 , 2362181 , 9779239 , 12024239 , 8182778 , 849927198 , 303921016 , 1355821606 , 2464779001
n×2
42987644
n×3
64481466
n×4
85975288
n×5
107469110
n÷2
10746911
n÷3
7164607.3333333
n÷3
5373455.5
n÷5
4298764.4
n2
461984384167684
n3
9.9298101200798E+21
n4
2.1342957121479E+29
n5
4.5874172132271E+36
2 √n
4636.1430090108
3 √n
278.03825190047
4 √n
68.089228289142
5 √n
29.272696473373
1 , 2 , 7 , 14 , 23 , 46 , 161 , 322 , 66751 , 133502 , 467257 , 934514 , 1535273 , 3070546 , 10746911 , 21493822
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
-21493821
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 21493822 can be divided by 16 positive divisors.
The sum of these divisors (counting 21493822) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111100000111110
3
Ternary
1111102222222111
4
Quaternary
1101333200332
5
Quinary
21000300242
6
Senary
2044404234
8
Octal
121774076
10
Decimal
21493822
12
Duodecimal
724667a
16
Hexadecimal
147f83e
20
Vigesimal
6e6eb2
36
Base36
csoqm
md5
99f211e25a6b7ae1d86e1c4d22828844
sha1
f5d757a9aea1064a36c5da0f1813a515eefc1878
sha256
5d539e14e2d3b3d1afa0aeb03047b59726f521a2071bfceb8783e3f2debd92bf
sha512
14401e0ac1ea8d191279e932bac90cdb6b9fdc54df23b8c1ca6e5bc4b78835911e5d9218b63797044e2a2fe4c3c9a6079134636ad2a0bed8446e1be9b9d1a082
ripemd-160
89cd2cde0952648ebfbe9c54fe75e231045e01ab
Diameter
42987644
Circumference
135049666.58553
Area
1.4513667473744E+15
Volume
4.1593891366379E+22
Surface area
5.8054669894976E+15
Circumference
135049666.58553
Perimeter
85975288
Area
461984384167684
Diagonal
30396854.579633
Surface area
2771906305006104
Volume
9.9298101200798E+21
Space diagonal
37228391.752842
Perimeter
64481466
Area
2.0004510642046E+14
Altitude
18614195.876421
Surface area
2.0004510642046E+14
Volume
1.1702393453005E+21
Height
10132284.859878