20731306 is an even 8-digits composite number following 20731305
and preceding 20731307 . In scientific notation, it is written as 2.0731306 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 10365652 positive integers (up to 20731306) that are relatively prime to 20731306.
20731306 has 4 divisors, whose sum is 31096962
The reverse of 20731306 is 60313702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million seven hundred thirty-one thousand three hundred six
Scientific notation
2.0731306 × 10^7
Engineering notation
2.0731306 × 10^6
Prime Factorization
2 × 10365653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20731306
Product of the distinct prime numbers
The prime factorization of 20731306 is 2 × 10365653.
Since it has a total of 2 prime factors.
5 , 6 , 42 , 75 , 672 , 854 , 4361 , 333 , 89134 , 66381 , 912479 , 77484 , 6727983 , 5155443 , 9723840 , 30897388 , 585986110 , 844508755 , 8931978377 , 8544158561
n×2
41462612
n×3
62193918
n×4
82925224
n×5
103656530
n÷2
10365653
n÷3
6910435.3333333
n÷3
5182826.5
n÷5
4146261.2
n2
429787048465636
n3
8.9100468165779E+21
n4
1.847169070288E+29
n5
3.8294227229877E+36
2 √n
4553.1643941329
3 √n
274.71068636806
4 √n
67.477139789213
5 √n
29.061988889119
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731305
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731306 can be divided by 4 positive divisors.
The sum of these divisors (counting 20731306) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000101010110101010
3
Ternary
1110000021000011
4
Quaternary
1033011112222
5
Quinary
20301400211
6
Senary
2020202134
8
Octal
117052652
10
Decimal
20731306
12
Duodecimal
6b3934a
16
Hexadecimal
13c55aa
20
Vigesimal
69b856
36
Base36
cccdm
md5
a5f7fc6b56a37b3d21fad92847adabc3
sha1
35e7cb9af506a666c82f19cb3a5b6f3f1314b6bf
sha256
525d882e0b2f8cbb1e8110bdc61b723cca94b9ea0da8d4ea62c82b5275cef669
sha512
1a7d7406eac323b634c62cc102ee385234ed93d967c605217a737795701ba5b8e746fc23b4da44437d5be6d27ba4ac7e0f92079185862d0f23fcf2977f4b930c
ripemd-160
415e3d0365745af6b35d53648e22f9952cd3ed94
Diameter
41462612
Circumference
130258637.25784
Area
1.3502158340677E+15
Volume
3.732231682947E+22
Surface area
5.4008633362707E+15
Circumference
130258637.25784
Perimeter
82925224
Area
429787048465636
Diagonal
29318494.110907
Surface area
2578722290793816
Volume
8.9100468165779E+21
Space diagonal
35907675.299258
Perimeter
62193918
Area
1.8610325109439E+14
Altitude
17953837.649629
Surface area
1.8610325109439E+14
Volume
1.0500590874486E+21
Height
9772831.3703022