21031844 is an even 8-digits composite number following 21031843
and preceding 21031845 . In scientific notation, it is written as 2.1031844 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 9710624 positive integers (up to 21031844) that are relatively prime to 21031844.
21031844 has 24 divisors, whose sum is 39735360
The reverse of 21031844 is 44813012
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-one thousand eight hundred forty-four
Scientific notation
2.1031844 × 10^7
Engineering notation
2.1031844 × 10^6
Prime Factorization
2 × 2 × 23 × 29 × 7883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10515922
Product of the distinct prime numbers
The prime factorization of 21031844 is 2 × 2 × 23 × 29 × 7883.
Since it has a total of 5 prime factors.
3 , 7 , 59 , 2 , 32 , 699 , 2753 , 9 , 394 , 73738 , 655986 , 794330 , 1450404 , 9524919 , 24769704 , 16860327 , 942932494 , 522994899 , 4812557881 , 805358906
n×2
42063688
n×3
63095532
n×4
84127376
n×5
105159220
n÷2
10515922
n÷3
7010614.6666667
n÷3
5257961
n÷5
4206368.8
n2
442338462040336
n3
9.3031935288323E+21
n4
1.9566331500021E+29
n5
4.1151603176073E+36
2 √n
4586.0488440487
3 √n
276.03179987865
4 √n
67.720372444698
5 √n
29.145765769333
1 , 2 , 4 , 23 , 29 , 46 , 58 , 92 , 116 , 667 , 1334 , 2668 , 7883 , 15766 , 31532 , 181309 , 228607 , 362618 , 457214 , 725236 , 914428 , 5257961 , 10515922 , 21031844
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031844 can be divided by 24 positive divisors.
The sum of these divisors (counting 21031844) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001110101110100100
3
Ternary
1110120112021012
4
Quaternary
1100032232210
5
Quinary
20341004334
6
Senary
2030441352
8
Octal
120165644
10
Decimal
21031844
12
Duodecimal
7063258
16
Hexadecimal
140eba4
20
Vigesimal
6b8jc4
36
Base36
cis9w
md5
49df50dd6ad58727fc67bb793dee9946
sha1
f1f19f7c5217c549533a86c8cb6fb19551316468
sha256
03358f77b24bebbf57abf1845a3048587e41d38dc833e27445e98f32d3e8d362
sha512
44fba1e9b15db0f7e65da8c7b3eea010ca8fb3576f0a5cec5b7b321c446039c36e1eec73d343b31ddd2047fc122c3143bde171bde0581671b4f3272e0231db57
ripemd-160
f133fe22d8fb623492f70f9b04c499e6e7ed4359
Diameter
42063688
Circumference
132146973.20369
Area
1.3896472627461E+15
Volume
3.8969125926805E+22
Surface area
5.5585890509845E+15
Circumference
132146973.20369
Perimeter
84127376
Area
442338462040336
Diagonal
29743519.026515
Surface area
2654030772242016
Volume
9.3031935288323E+21
Space diagonal
36428222.384863
Perimeter
63095532
Area
1.9153817259893E+14
Altitude
18214111.192431
Surface area
1.9153817259893E+14
Volume
1.0963918718214E+21
Height
9914506.3421717