21124782 is an even 8-digits composite number following 21124781
and preceding 21124783 . In scientific notation, it is written as 2.1124782 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5884704 positive integers (up to 21124782) that are relatively prime to 21124782.
21124782 has 32 divisors, whose sum is 40443840
The reverse of 21124782 is 28742112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred twenty-four thousand seven hundred eighty-two
Scientific notation
2.1124782 × 10^7
Engineering notation
2.1124782 × 10^6
Prime Factorization
2 × 9 × 301 × 7 × 557
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21124782
Product of the distinct prime numbers
The prime factorization of 21124782 is 2 × 9 × 301 × 7 × 557.
Since it has a total of 5 prime factors.
1 , 1 , 47 , 65 , 652 , 497 , 873 , 9972 , 93911 , 94649 , 778031 , 298323 , 1435549 , 1675213 , 45293628 , 90164934 , 339689421 , 474697720 , 2726535702 , 2585747220
n×2
42249564
n×3
63374346
n×4
84499128
n×5
105623910
n÷2
10562391
n÷3
7041594
n÷3
5281195.5
n÷5
4224956.4
n2
446256414547524
n3
9.4270694734181E+21
n4
1.9914478752481E+29
n5
4.206890222898E+36
2 √n
4596.1703623778
3 √n
276.43778977502
4 √n
67.795061489594
5 √n
29.171478911156
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 301 , 557 , 602 , 1114 , 2107 , 2709 , 3899 , 4214 , 5013 , 5418 , 7798 , 10026 , 18963 , 35091 , 37926 , 70182 , 167657 , 335314 , 1173599 , 1508913 , 2347198 , 3017826 , 10562391 , 21124782
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21124781
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21124782 can be divided by 32 positive divisors.
The sum of these divisors (counting 21124782) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100101011010101110
3
Ternary
1110202020202100
4
Quaternary
1100211122232
5
Quinary
20401443112
6
Senary
2032435530
8
Octal
120453256
10
Decimal
21124782
12
Duodecimal
70a8ba6
16
Hexadecimal
14256ae
20
Vigesimal
6c0bj2
36
Base36
ckrzi
md5
1fbd7ebc42c2ef4abceb5b4c1a49d508
sha1
82e690ec2d1d9d854a16144f82bc9547b07a7064
sha256
8c41d8cbdb354a68e916e9c977c07f0bd2d0a1d5376332d6ebd8fb84710ec669
sha512
d8b628708b12ed91a0d9ddb9cf2dc649b9215c5c5958dfe42f00bc53cf821b7ee39262561b1e78d6421e8b6c6df2098325902c43ee6149d8409093c7b5da19fa
ripemd-160
720083099b4c113534832cd57d0e3b4c2fd86e36
Diameter
42249564
Circumference
132730919.87977
Area
1.4019558735598E+15
Volume
3.9488016270094E+22
Surface area
5.6078234942393E+15
Circumference
132730919.87977
Perimeter
84499128
Area
446256414547524
Diagonal
29874953.206575
Surface area
2677538487285144
Volume
9.4270694734181E+21
Space diagonal
36589195.722816
Perimeter
63374346
Area
1.9323469579996E+14
Altitude
18294597.861408
Surface area
1.9323469579996E+14
Volume
1.1109907918951E+21
Height
9958317.735525