20731143 is an odd 8-digits composite number following 20731142
and preceding 20731144 . In scientific notation, it is written as 2.0731143 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 12346880 positive integers (up to 20731143) that are relatively prime to 20731143.
20731143 has 32 divisors, whose sum is 30792960
The reverse of 20731143 is 34113702
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million seven hundred thirty-one thousand one hundred forty-three
Scientific notation
2.0731143 × 10^7
Engineering notation
2.0731143 × 10^6
Prime Factorization
3 × 17 × 29 × 107 × 131
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20731143
Product of the distinct prime numbers
The prime factorization of 20731143 is 3 × 17 × 29 × 107 × 131.
Since it has a total of 5 prime factors.
6 , 9 , 9 , 31 , 252 , 230 , 4814 , 2129 , 50420 , 10142 , 720060 , 354001 , 7878899 , 4445910 , 27757158 , 26929049 , 648898647 , 22203462 , 9176959441 , 6145533406
n×2
41462286
n×3
62193429
n×4
82924572
n×5
103655715
n÷2
10365571.5
n÷3
6910381
n÷3
5182785.75
n÷5
4146228.6
n2
429780290086449
n3
8.9098366523637E+21
n4
1.8471109774679E+29
n5
3.8292721810757E+36
2 √n
4553.1464944585
3 √n
274.70996639478
4 √n
67.477007153982
5 √n
29.061943188968
1 , 3 , 17 , 29 , 51 , 87 , 107 , 131 , 321 , 393 , 493 , 1479 , 1819 , 2227 , 3103 , 3799 , 5457 , 6681 , 9309 , 11397 , 14017 , 42051 , 52751 , 64583 , 158253 , 193749 , 238289 , 406493 , 714867 , 1219479 , 6910381 , 20731143
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731142
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731143 can be divided by 32 positive divisors.
The sum of these divisors (counting 20731143) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111000101010100000111
3
Ternary
1110000020210010
4
Quaternary
1033011110013
5
Quinary
20301344033
6
Senary
2020201303
8
Octal
117052407
10
Decimal
20731143
12
Duodecimal
6b39233
16
Hexadecimal
13c5507
20
Vigesimal
69b7h3
36
Base36
ccc93
md5
05144b67a2d11b85811514921faead63
sha1
3ff19cd8e891611c17d994c566258d545c75ee29
sha256
e5e6ec4c28ee4a264ef2bd1860f1f40fe6cc42c4f21df3f22a0b17acbfb00a64
sha512
8b7aad5dd4cd1b1271e68b032d697fc2ddd5ea85f96efb282b27df00e41a2e4606955975937848e53bf13fd52d971bfe2006746677e53d32f5fc6e94a13679f3
ripemd-160
0888ca9c29dfcef10c00b9377515c4205c011006
Diameter
41462286
Circumference
130257613.09864
Area
1.3501946019933E+15
Volume
3.7321436495668E+22
Surface area
5.4007784079731E+15
Circumference
130257613.09864
Perimeter
82924572
Area
429780290086449
Diagonal
29318263.594096
Surface area
2578681740518694
Volume
8.9098366523637E+21
Space diagonal
35907392.974976
Perimeter
62193429
Area
1.8610032463036E+14
Altitude
17953696.487488
Surface area
1.8610032463036E+14
Volume
1.0500343193585E+21
Height
9772754.5313654