20731907 is an odd 8-digits composite number following 20731906
and preceding 20731908 . In scientific notation, it is written as 2.0731907 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 16651008 positive integers (up to 20731907) that are relatively prime to 20731907.
20731907 has 16 divisors, whose sum is 25213440
The reverse of 20731907 is 70913702
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million seven hundred thirty-one thousand nine hundred seven
Scientific notation
2.0731907 × 10^7
Engineering notation
2.0731907 × 10^6
Prime Factorization
7 × 19 × 97 × 1607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20731907
Product of the distinct prime numbers
The prime factorization of 20731907 is 7 × 19 × 97 × 1607.
Since it has a total of 4 prime factors.
2 , 7 , 45 , 95 , 140 , 313 , 5754 , 5839 , 20595 , 59628 , 92240 , 494386 , 8195948 , 4231471 , 43961601 , 88806856 , 711088962 , 881256295 , 4718754705 , 8256345629
n×2
41463814
n×3
62195721
n×4
82927628
n×5
103659535
n÷2
10365953.5
n÷3
6910635.6666667
n÷3
5182976.75
n÷5
4146381.4
n2
429811967856649
n3
8.910821745091E+21
n4
1.8473832771281E+29
n5
3.8299778294774E+36
2 √n
4553.2303917109
3 √n
274.71334096087
4 √n
67.47762882401
5 √n
29.06215738842
1 , 7 , 19 , 97 , 133 , 679 , 1607 , 1843 , 11249 , 12901 , 30533 , 155879 , 213731 , 1091153 , 2961701 , 20731907
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731907 can be divided by 16 positive divisors.
The sum of these divisors (counting 20731907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000101100000000011
3
Ternary
1110000021211102
4
Quaternary
1033011200003
5
Quinary
20301410112
6
Senary
2020205015
8
Octal
117054003
10
Decimal
20731907
12
Duodecimal
6b3976b
16
Hexadecimal
13c5803
20
Vigesimal
69b9f7
36
Base36
cccub
md5
6747c4b0fdbf2e50ad64cf2f75cceebb
sha1
bf8cffe7d26f5141bb2aaa9aaadefaec54634515
sha256
169ec2b81eb328293bd39bd2b957cc20e391f803f9d32b02423c28ed543fd2ad
sha512
8dedb12048d17d611b2a6a3db69f2a69f1ddacb64193e10257793cbd81a6ef269f284f472e444939d6d5256b65d40c2e4105a454e3601d740c239a24c54754b2
ripemd-160
09731c3a976c69f99f56f5efc9bb0cc6530121cf
Diameter
41463814
Circumference
130262413.45221
Area
1.3502941206434E+15
Volume
3.7325562842435E+22
Surface area
5.4011764825737E+15
Circumference
130262413.45221
Perimeter
82927628
Area
429811967856649
Diagonal
29319344.053258
Surface area
2578871807139894
Volume
8.910821745091E+21
Space diagonal
35908716.261793
Perimeter
62195721
Area
1.8611404150722E+14
Altitude
17954358.130896
Surface area
1.8611404150722E+14
Volume
1.0501504136497E+21
Height
9773114.6844192