20731944 is an even 8-digits composite number following 20731943
and preceding 20731945 . In scientific notation, it is written as 2.0731944 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 6806976 positive integers (up to 20731944) that are relatively prime to 20731944.
20731944 has 32 divisors, whose sum is 52607520
The reverse of 20731944 is 44913702
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred thirty-one thousand nine hundred forty-four
Scientific notation
2.0731944 × 10^7
Engineering notation
2.0731944 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 67 × 12893
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5182986
Product of the distinct prime numbers
The prime factorization of 20731944 is 2 × 2 × 2 × 3 × 67 × 12893.
Since it has a total of 6 prime factors.
5 , 2 , 5 , 57 , 748 , 691 , 1074 , 5710 , 65218 , 99494 , 613467 , 636731 , 7957659 , 8008678 , 24545439 , 2477713 , 427813746 , 195149467 , 6780798668 , 3317929161
n×2
41463888
n×3
62195832
n×4
82927776
n×5
103659720
n÷2
10365972
n÷3
6910648
n÷3
5182986
n÷5
4146388.8
n2
429813502019136
n3
8.9108694543046E+21
n4
1.8473964651795E+29
n5
3.83001200619E+36
2 √n
4553.2344547585
3 √n
274.7135043867
4 √n
67.477658930631
5 √n
29.062167761793
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 67 , 134 , 201 , 268 , 402 , 536 , 804 , 1608 , 12893 , 25786 , 38679 , 51572 , 77358 , 103144 , 154716 , 309432 , 863831 , 1727662 , 2591493 , 3455324 , 5182986 , 6910648 , 10365972 , 20731944
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
-20731943
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 20731944 can be divided by 32 positive divisors.
The sum of these divisors (counting 20731944) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111000101100000101000
3
Ternary
1110000021212210
4
Quaternary
1033011200220
5
Quinary
20301410234
6
Senary
2020205120
8
Octal
117054050
10
Decimal
20731944
12
Duodecimal
6b397a0
16
Hexadecimal
13c5828
20
Vigesimal
69b9h4
36
Base36
cccvc
md5
b28c7ae72e2870cd9d7fdc64ae30c4ae
sha1
6107e117df021136cd9e6090b876c62dc7678386
sha256
375fdac33f2c7b2f88d79bdaa189a8edc180c4dbd17634775ccdce9631c1e249
sha512
ad66241dbb2862784c6a63378e648156b2b557c55a87fd7baf7f95cf279e71b4e660265c61658ae3fa168f550f2175772f2467cbd7f5b669ce6a9e126db30fd5
ripemd-160
63b154941d2c38a4286bad0749683c29094a25b5
Diameter
41463888
Circumference
130262645.93007
Area
1.350298940357E+15
Volume
3.7325762686321E+22
Surface area
5.4011957614281E+15
Circumference
130262645.93007
Perimeter
82927776
Area
429813502019136
Diagonal
29319396.37916
Surface area
2578881012114816
Volume
8.9108694543046E+21
Space diagonal
35908780.347673
Perimeter
62195832
Area
1.8611470581906E+14
Altitude
17954390.173836
Surface area
1.8611470581906E+14
Volume
1.0501560362345E+21
Height
9773132.1263865