20311907 is an odd 8-digits composite number following 20311906
and preceding 20311908 . In scientific notation, it is written as 2.0311907 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 15826800 positive integers (up to 20311907) that are relatively prime to 20311907.
20311907 has 8 divisors, whose sum is 22447152
The reverse of 20311907 is 70911302
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million three hundred eleven thousand nine hundred seven
Scientific notation
2.0311907 × 10^7
Engineering notation
2.0311907 × 10^6
Prime Factorization
77 × 11 × 23981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20311907
Product of the distinct prime numbers
The prime factorization of 20311907 is 77 × 11 × 23981.
Since it has a total of 3 prime factors.
10 , 4 , 46 , 99 , 765 , 247 , 7145 , 9140 , 59943 , 18161 , 857713 , 557360 , 24259 , 1585255 , 61080526 , 29038639 , 364818232 , 91705622 , 6623215773 , 7864703762
n×2
40623814
n×3
60935721
n×4
81247628
n×5
101559535
n÷2
10155953.5
n÷3
6770635.6666667
n÷3
5077976.75
n÷5
4062381.4
n2
412573565976649
n3
8.3801559027761E+21
n4
1.7021694734269E+29
n5
3.4574308042486E+36
2 √n
4506.8733064066
3 √n
272.84556557644
4 √n
67.13325037868
5 √n
28.943439536805
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
-20311906
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 20311907 can be divided by 8 positive divisors.
The sum of these divisors (counting 20311907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101011110111101100011
3
Ternary
1102012221200212
4
Quaternary
1031132331203
5
Quinary
20144440112
6
Senary
2003204335
8
Octal
115367543
10
Decimal
20311907
12
Duodecimal
69766ab
16
Hexadecimal
135ef63
20
Vigesimal
66ijf7
36
Base36
c3crn
md5
16770acac0b3e477929bf86bc84051b8
sha1
8feee247db1d401658de54fcd2042799012a0d61
sha256
e8c7479ee836153043f25a4f2446282c99656d8b1e22dafadca3b5ef79e108aa
sha512
549c9deef89ffd05204950bf5edbe2fb91f0e03a839317312747dc90e590014c81c6c1b04c32b5b883b5cfc3947192ad83e2297a74496be2e3159836621fd108
ripemd-160
899acb1e322addbbbb33971fd95b8dc02a2191ce
Diameter
40623814
Circumference
127623475.6232
Area
1.2961380839376E+15
Volume
3.5102714960131E+22
Surface area
5.1845523357503E+15
Circumference
127623475.6232
Perimeter
81247628
Area
412573565976649
Diagonal
28725374.357061
Surface area
2475441395859894
Volume
8.3801559027761E+21
Space diagonal
35181254.922614
Perimeter
60935721
Area
1.7864959453286E+14
Altitude
17590627.461307
Surface area
1.7864959453286E+14
Volume
9.8761084437557E+20
Height
9575124.785687