20742731 is an odd 8-digits composite number following 20742730
and preceding 20742732 . In scientific notation, it is written as 2.0742731 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 20148480 positive integers (up to 20742731) that are relatively prime to 20742731.
20742731 has 8 divisors, whose sum is 21345744
The reverse of 20742731 is 13724702
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million seven hundred forty-two thousand seven hundred thirty-one
Scientific notation
2.0742731 × 10^7
Engineering notation
2.0742731 × 10^6
Prime Factorization
73 × 67 × 4241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20742731
Product of the distinct prime numbers
The prime factorization of 20742731 is 73 × 67 × 4241.
Since it has a total of 3 prime factors.
1 , 8 , 72 , 42 , 192 , 761 , 2766 , 9913 , 77714 , 32257 , 658185 , 489178 , 5252739 , 2136624 , 77609692 , 46550296 , 403212008 , 695235499 , 6960026326 , 332432302
n×2
41485462
n×3
62228193
n×4
82970924
n×5
103713655
n÷2
10371365.5
n÷3
6914243.6666667
n÷3
5185682.75
n÷5
4148546.2
n2
430260889338361
n3
8.9247858873664E+21
n4
1.8512443289424E+29
n5
3.8399863130527E+36
2 √n
4554.4188432774
3 √n
274.7611413533
4 √n
67.486434513
5 √n
29.06519138928
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
-20742730
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 20742731 can be divided by 8 positive divisors.
The sum of these divisors (counting 20742731) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001000001001001011
3
Ternary
1110000211200022
4
Quaternary
1033020021023
5
Quinary
20302231411
6
Senary
2020331055
8
Octal
117101113
10
Decimal
20742731
12
Duodecimal
6b43a8b
16
Hexadecimal
13c824b
20
Vigesimal
69cggb
36
Base36
ccl6z
md5
c4df5c3e1a768fd01f868e4ad3d43ae3
sha1
4d0bb8125e6c6a7c30f6d3472083c05fd0e6df9a
sha256
055112f8a068529c857b6f77b903015aa41905214658df53ad788bf04d71e81b
sha512
bc3c102284404962756bd6b3ce64c586e49975ec63518ccba1b686f20e8d0d197c3b540bde8e1c1027f9f163c1c087abfed53337abc2f6fa6f214c4cb189a024
ripemd-160
163255dd4693f0c86c55442d6d00b0aa6c9a38d3
Diameter
41485462
Circumference
130330422.64998
Area
1.3517044490724E+15
Volume
3.7384055704816E+22
Surface area
5.4068177962896E+15
Circumference
130330422.64998
Perimeter
82970924
Area
430260889338361
Diagonal
29334651.500857
Surface area
2581565336030166
Volume
8.9247858873664E+21
Space diagonal
35927463.979734
Perimeter
62228193
Area
1.8630843021095E+14
Altitude
17963731.989867
Surface area
1.8630843021095E+14
Volume
1.0517961035991E+21
Height
9778217.1669523