20731186 is an even 8-digits composite number following 20731185
and preceding 20731187 . In scientific notation, it is written as 2.0731186 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8868384 positive integers (up to 20731186) that are relatively prime to 20731186.
20731186 has 16 divisors, whose sum is 35604864
The reverse of 20731186 is 68113702
Previous prime number is 743
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred thirty-one thousand one hundred eighty-six
Scientific notation
2.0731186 × 10^7
Engineering notation
2.0731186 × 10^6
Prime Factorization
2 × 7 × 743 × 1993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20731186
Product of the distinct prime numbers
The prime factorization of 20731186 is 2 × 7 × 743 × 1993.
Since it has a total of 4 prime factors.
9 , 1 , 81 , 24 , 275 , 701 , 7738 , 1172 , 87205 , 66035 , 719571 , 854875 , 3528431 , 9249285 , 33524941 , 76763337 , 313275274 , 360965324 , 1464691561 , 5236471891
n×2
41462372
n×3
62193558
n×4
82924744
n×5
103655930
n÷2
10365593
n÷3
6910395.3333333
n÷3
5182796.5
n÷5
4146237.2
n2
429782072966596
n3
8.9098920941361E+21
n4
1.8471263024346E+29
n5
3.8293118941265E+36
2 √n
4553.1512164654
3 √n
274.71015632675
4 √n
67.47704214372
5 √n
29.061955244864
1 , 2 , 7 , 14 , 743 , 1486 , 1993 , 3986 , 5201 , 10402 , 13951 , 27902 , 1480799 , 2961598 , 10365593 , 20731186
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
-20731185
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 20731186 can be divided by 16 positive divisors.
The sum of these divisors (counting 20731186) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000101010100110010
3
Ternary
1110000020211201
4
Quaternary
1033011110302
5
Quinary
20301344221
6
Senary
2020201414
8
Octal
117052462
10
Decimal
20731186
12
Duodecimal
6b3926a
16
Hexadecimal
13c5532
20
Vigesimal
69b7j6
36
Base36
cccaa
md5
54878b91ebfefa4e033b801c6b836959
sha1
9385c7c268e29117e8a1ee8208999feb17320265
sha256
7d401d99caf4eb1dec1f48127f8b88dee94769bbb3ae2526a8c581e823293137
sha512
c647a37fa774e61b2e96785820b5798ff50a7bbdba4d64275c8f1b35fca56a1eab1115c92af20fc51daba8457e7c6da1aee5bab8c744f2e968c0e5daf0d9c9a0
ripemd-160
e4cab51b786df33bf7db64ea6b02a258ddcd378a
Diameter
41462372
Circumference
130257883.27561
Area
1.3502002030765E+15
Volume
3.7321668729621E+22
Surface area
5.4008008123058E+15
Circumference
130257883.27561
Perimeter
82924744
Area
429782072966596
Diagonal
29318324.405279
Surface area
2578692437799576
Volume
8.9098920941361E+21
Space diagonal
35907467.453161
Perimeter
62193558
Area
1.861010966401E+14
Altitude
17953733.72658
Surface area
1.861010966401E+14
Volume
1.050040853234E+21
Height
9772774.8017597