20311904 is an even 8-digits composite number following 20311903
and preceding 20311905 . In scientific notation, it is written as 2.0311904 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 12 positive divisors.
There are 10155936 positive integers (up to 20311904) that are relatively prime to 20311904.
20311904 has 12 divisors, whose sum is 39989124
The reverse of 20311904 is 40911302
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million three hundred eleven thousand nine hundred four
Scientific notation
2.0311904 × 10^7
Engineering notation
2.0311904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 634747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1269494
Product of the distinct prime numbers
The prime factorization of 20311904 is 2 × 2 × 2 × 2 × 2 × 634747.
Since it has a total of 6 prime factors.
4 , 3 , 41 , 66 , 928 , 47 , 9686 , 4303 , 93940 , 18492 , 874978 , 112467 , 2248969 , 3930623 , 3812355 , 58679754 , 56118178 , 843835154 , 1978410505 , 9726456043
n×2
40623808
n×3
60935712
n×4
81247616
n×5
101559520
n÷2
10155952
n÷3
6770634.6666667
n÷3
5077976
n÷5
4062380.8
n2
412573444105216
n3
8.3801521896145E+21
n4
1.7021684678084E+29
n5
3.4574282509951E+36
2 √n
4506.8729735816
3 √n
272.84555214365
4 √n
67.133247899841
5 √n
28.943438681835
1 , 2 , 4 , 8 , 16 , 32 , 634747 , 1269494 , 2538988 , 5077976 , 10155952 , 20311904
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20311903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20311904 can be divided by 12 positive divisors.
The sum of these divisors (counting 20311904) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101011110111101100000
3
Ternary
1102012221200202
4
Quaternary
1031132331200
5
Quinary
20144440104
6
Senary
2003204332
8
Octal
115367540
10
Decimal
20311904
12
Duodecimal
69766a8
16
Hexadecimal
135ef60
20
Vigesimal
66ijf4
36
Base36
c3crk
md5
c5f0ad7cc22cf57b95272880675f6b64
sha1
8fc6f474c4db08f33580c05914dc8385afef5a60
sha256
5873e264454d790cab5ad82df8b0bc054b9fa1157a5a248bf3de930586b55fb5
sha512
748163d6bcda54ae934bb87704bb208e0be6c997e5591841c18af4016854cd0bcdc1403dd655e85eb33575e163cd90dd2749a52297ec6508bd087c93dcaa437c
ripemd-160
8cde94110dae747a3fa53e4d5ee3c8a0c5a74edd
Diameter
40623808
Circumference
127623456.77364
Area
1.2961377010672E+15
Volume
3.5102699406476E+22
Surface area
5.1845508042687E+15
Circumference
127623456.77364
Perimeter
81247616
Area
412573444105216
Diagonal
28725370.11442
Surface area
2475440664631296
Volume
8.3801521896145E+21
Space diagonal
35181249.726462
Perimeter
60935712
Area
1.7864954176098E+14
Altitude
17590624.863231
Surface area
1.7864954176098E+14
Volume
9.8761040677529E+20
Height
9575123.3714734