20131831 (number)

20131831 is an odd 8-digits composite number following 20131830 and preceding 20131832. In scientific notation, it is written as 2.0131831 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19256512 positive integers (up to 20131831) that are relatively prime to 20131831.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand eight hundred thirty-one

Notation

Scientific notation 2.0131831 × 10^7
Engineering notation 2.0131831 × 10^6

Prime Factorization of 20131831

Prime Factorization 23 × 875297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20131831
Product of the distinct prime numbers

The prime factorization of 20131831 is 23 × 875297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131831)

Multiplication

n×y
n×2 40263662
n×3 60395493
n×4 80527324
n×5 100659155

Division

n÷y
n÷2 10065915.5
n÷3 6710610.3333333
n÷3 5032957.75
n÷5 4026366.2

Exponentiation

ny
n2 405290619412561
n3 8.159242255899E+21
n4 1.6426048618382E+29
n5 3.3068643478304E+36

Nth Root

y√n
2√n 4486.8509001303
3√n 272.03686333569
4√n 66.983960021264
5√n 28.891936734127

Divisors of 20131831

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131830
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131831 can be divided by 4 positive divisors. The sum of these divisors (counting 20131831) is 1, the average is 0.25.

Base conversion 20131831

Base System Value
2 Binary 1001100110010111111110111
3 Ternary 1101212210200101
4 Quaternary 1030302333313
5 Quinary 20123204311
6 Senary 1555254531
8 Octal 114627767
10 Decimal 20131831
12 Duodecimal 68aa447
16 Hexadecimal 1332ff7
20 Vigesimal 65g9bb
36 Base36 bzhtj

Cryptographic Hash Functions

md5 ea899335674f615ca2890bd23e28ccc6
sha1 2f5f5f2e7df62496ea1300de3e303250e66235b3
sha256 243eeb5d6cb22ccf87e0d8cb06eab44aef939dd4822dbf6c5a6ddb10d024058a
sha512 75b6076c94174995b37b9f6e2c5900693966c2a48706d752a9eaf8e330d99567dee34fd9a7aab6c7e9a7b4eaa245033383936acc02e9b2260a2ddddf7ac4971e
ripemd-160 34563f03ac9dcb8c2e6eeeccc9caacbbd69caf57

20131831 as geometric shapes

Circle

Radius = n
Diameter 40263662
Circumference 126492024.74582
Area 1.2732580325154E+15

Sphere

Radius = n
Volume 3.4177354039989E+22
Surface area 5.0930321300614E+15
Circumference 126492024.74582

Square

Length = n
Perimeter 80527324
Area 405290619412561
Diagonal 28470708.435603

Cube

Length = n
Surface area 2431743716475366
Volume 8.159242255899E+21
Space diagonal 34869354.14139

Equilateral Triangle

Length = n
Perimeter 60395493
Area 1.754959861634E+14
Altitude 17434677.070695

Triangular Pyramid

Length = n
Surface area 1.754959861634E+14
Volume 9.61575921415E+20
Height 9490236.145201