21031744 is an even 8-digits composite number following 21031743
and preceding 21031745 . In scientific notation, it is written as 2.1031744 × 10^7.
The sum of its digits is 22. It has a total of 7 prime factors and 14 positive divisors.
There are 10515840 positive integers (up to 21031744) that are relatively prime to 21031744.
21031744 has 14 divisors, whose sum is 41734994
The reverse of 21031744 is 44713012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty-one thousand seven hundred forty-four
Scientific notation
2.1031744 × 10^7
Engineering notation
2.1031744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 328621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
657242
Product of the distinct prime numbers
The prime factorization of 21031744 is 2 × 2 × 2 × 2 × 2 × 2 × 328621.
Since it has a total of 7 prime factors.
6 , 6 , 66 , 33 , 414 , 6 , 2890 , 9494 , 97468 , 44979 , 694934 , 210822 , 1466611 , 2975219 , 46949467 , 44561287 , 793414224 , 985026925 , 2948880382 , 5975495941
n×2
42063488
n×3
63095232
n×4
84126976
n×5
105158720
n÷2
10515872
n÷3
7010581.3333333
n÷3
5257936
n÷5
4206348.8
n2
442334255681536
n3
9.3030608279246E+21
n4
1.9565959374934E+29
n5
4.1150624868801E+36
2 √n
4586.0379414043
3 √n
276.03136239563
4 √n
67.720291947129
5 √n
29.145738053436
1 , 2 , 4 , 8 , 16 , 32 , 64 , 328621 , 657242 , 1314484 , 2628968 , 5257936 , 10515872 , 21031744
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031744 can be divided by 14 positive divisors.
The sum of these divisors (counting 21031744) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1010000001110101101000000
3
Ternary
1110120112010111
4
Quaternary
1100032231000
5
Quinary
20341003434
6
Senary
2030441104
8
Octal
120165500
10
Decimal
21031744
12
Duodecimal
7063194
16
Hexadecimal
140eb40
20
Vigesimal
6b8j74
36
Base36
cis74
md5
aa89d879d9a499a9d8d0fb897679c2d8
sha1
b24305125fc8c51412a965ff40130614d00128ae
sha256
1bb45785b263557655e47918740965cdc8270d4555c860cd10fd94b5cb83b5bb
sha512
070f819b8ece7c0958c724be256efabd8217e995a283041239c14745b3d6a9cbc78118c47c0a3a345dd5a5c7b4e734a882bf0d47c69a733f837c5be3362d3b8c
ripemd-160
37035c154c9281b8323aa1f28811194cde71cb87
Diameter
42063488
Circumference
132146344.88516
Area
1.3896340480802E+15
Volume
3.8968570070543E+22
Surface area
5.5585361923209E+15
Circumference
132146344.88516
Perimeter
84126976
Area
442334255681536
Diagonal
29743377.605159
Surface area
2654005534089216
Volume
9.3030608279246E+21
Space diagonal
36428049.179782
Perimeter
63095232
Area
1.9153635119215E+14
Altitude
18214024.589891
Surface area
1.9153635119215E+14
Volume
1.0963762328694E+21
Height
9914459.2017197