20731957 is an odd 8-digits composite number following 20731956
and preceding 20731958 . In scientific notation, it is written as 2.0731957 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 20271888 positive integers (up to 20731957) that are relatively prime to 20731957.
20731957 has 8 divisors, whose sum is 21194784
The reverse of 20731957 is 75913702
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred thirty-one thousand nine hundred fifty-seven
Scientific notation
2.0731957 × 10^7
Engineering notation
2.0731957 × 10^6
Prime Factorization
53 × 443 × 883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20731957
Product of the distinct prime numbers
The prime factorization of 20731957 is 53 × 443 × 883.
Since it has a total of 3 prime factors.
6 , 8 , 70 , 27 , 490 , 221 , 6766 , 9328 , 63476 , 40559 , 770186 , 796234 , 5239147 , 3493459 , 68796698 , 10758270 , 627801111 , 671537042 , 1046601103 , 8730486110
n×2
41463914
n×3
62195871
n×4
82927828
n×5
103659785
n÷2
10365978.5
n÷3
6910652.3333333
n÷3
5182989.25
n÷5
4146391.4
n2
429814041049849
n3
8.9108862170417E+21
n4
1.847401098836E+29
n5
3.8300240142821E+36
2 √n
4553.2358823149
3 √n
274.71356180654
4 √n
67.477669508623
5 √n
29.062171406488
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
-20731956
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 20731957 can be divided by 8 positive divisors.
The sum of these divisors (counting 20731957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000101100000110101
3
Ternary
1110000021220021
4
Quaternary
1033011200311
5
Quinary
20301410312
6
Senary
2020205141
8
Octal
117054065
10
Decimal
20731957
12
Duodecimal
6b397b1
16
Hexadecimal
13c5835
20
Vigesimal
69b9hh
36
Base36
cccvp
md5
d42e2786c71fc078d770b8a689dd0cd6
sha1
07cf9ab606646604bbdb9b5c53cdd2be734f4081
sha256
9cf6fb3ff46aea2317b8536e407057765bdbcd195f4e4126dec033e8a1a4b776
sha512
15678e56be22cff3b06929191d8147e59a6f36e990256fad147da8e79c2e9e417f8a1a514f62d4029868bcc2ca7652901e6d82e1ee91855c33565944d6c7d503
ripemd-160
0757465ffca2383ca85511210c6488b0bd3157c1
Diameter
41463914
Circumference
130262727.61148
Area
1.3503006337719E+15
Volume
3.732583290191E+22
Surface area
5.4012025350878E+15
Circumference
130262727.61148
Perimeter
82927828
Area
429814041049849
Diagonal
29319414.763936
Surface area
2578884246299094
Volume
8.9108862170417E+21
Space diagonal
35908802.864333
Perimeter
62195871
Area
1.8611493922621E+14
Altitude
17954401.432167
Surface area
1.8611493922621E+14
Volume
1.050158011742E+21
Height
9773138.2546453