20731982 is an even 8-digits composite number following 20731981
and preceding 20731983 . In scientific notation, it is written as 2.0731982 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10145392 positive integers (up to 20731982) that are relatively prime to 20731982.
20731982 has 8 divisors, whose sum is 31759776
The reverse of 20731982 is 28913702
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred thirty-one thousand nine hundred eighty-two
Scientific notation
2.0731982 × 10^7
Engineering notation
2.0731982 × 10^6
Prime Factorization
2 × 47 × 220553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20731982
Product of the distinct prime numbers
The prime factorization of 20731982 is 2 × 47 × 220553.
Since it has a total of 3 prime factors.
3 , 6 , 74 , 91 , 200 , 889 , 2719 , 3809 , 52082 , 30381 , 791357 , 618039 , 6226679 , 4613424 , 76505333 , 4876605 , 155285485 , 995750992 , 6356576272 , 4954486606
n×2
41463964
n×3
62195946
n×4
82927928
n×5
103659910
n÷2
10365991
n÷3
6910660.6666667
n÷3
5182995.5
n÷5
4146396.4
n2
429815077648324
n3
8.9109184531337E+21
n4
1.8474100097383E+29
n5
3.8300471068515E+36
2 √n
4553.2386276144
3 √n
274.71367222925
4 √n
67.477689850901
5 √n
29.062178415512
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731982 can be divided by 8 positive divisors.
The sum of these divisors (counting 20731982) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000101100001001110
3
Ternary
1110000021221012
4
Quaternary
1033011201032
5
Quinary
20301410412
6
Senary
2020205222
8
Octal
117054116
10
Decimal
20731982
12
Duodecimal
6b39812
16
Hexadecimal
13c584e
20
Vigesimal
69b9j2
36
Base36
cccwe
md5
f393eec2efddb0136b5c1963f9d70196
sha1
60ab59c49ff6765c1623c9ea367cf9a5fa4a0aea
sha256
29c78473f812c1c3abb81d55726271f43a1cc32c7a4ba0a1cdde188df78f6704
sha512
d9023b14a5e17124621aeedc0adb8a8a00d3d1f34961567b98b3d00c3ab4dae8b86674fab3df994f3cd19e24f515dce60f83a142c0ca908226faa11039271d49
ripemd-160
8de84f8ac1a48f243222423cf200b5aff0b41424
Diameter
41463964
Circumference
130262884.69111
Area
1.3503038903421E+15
Volume
3.7325967932137E+22
Surface area
5.4012155613684E+15
Circumference
130262884.69111
Perimeter
82927928
Area
429815077648324
Diagonal
29319450.119275
Surface area
2578890465889944
Volume
8.9109184531337E+21
Space diagonal
35908846.165603
Perimeter
62195946
Area
1.8611538808651E+14
Altitude
17954423.082802
Surface area
1.8611538808651E+14
Volume
1.0501618108019E+21
Height
9773150.0397583