20131845 (number)

20131845 is an odd 8-digits composite number following 20131844 and preceding 20131846. In scientific notation, it is written as 2.0131845 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10716480 positive integers (up to 20131845) that are relatively prime to 20131845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131845 × 10^7
Engineering notation 2.0131845 × 10^6

Prime Factorization of 20131845

Prime Factorization 3 × 5 × 733 × 1831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20131845
Product of the distinct prime numbers

The prime factorization of 20131845 is 3 × 5 × 733 × 1831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131845)

Multiplication

n×y
n×2 40263690
n×3 60395535
n×4 80527380
n×5 100659225

Division

n÷y
n÷2 10065922.5
n÷3 6710615
n÷3 5032961.25
n÷5 4026369

Exponentiation

ny
n2 405291183104025
n3 8.1592592781169E+21
n4 1.6426094310186E+29
n5 3.3068758460805E+36

Nth Root

y√n
2√n 4486.8524602443
3√n 272.03692639528
4√n 66.983971666692
5√n 28.89194075251

Divisors of 20131845

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 -20131844
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 20131845 can be divided by 16 positive divisors. The sum of these divisors (counting 20131845) is 1, the average is 0.0625.

Base conversion 20131845

Base System Value
2 Binary 1001100110011000000000101
3 Ternary 1101212210200220
4 Quaternary 1030303000011
5 Quinary 20123204340
6 Senary 1555254553
8 Octal 114630005
10 Decimal 20131845
12 Duodecimal 68aa459
16 Hexadecimal 1333005
20 Vigesimal 65g9c5
36 Base36 bzhtx

Cryptographic Hash Functions

md5 5d4130f1430c5e5cc89371c3b4280661
sha1 121e309f860573c79fc93d620dc3447c72bb1da9
sha256 8f2df7a40606614b53d56e699866a1253702ecd7adefae65b3d74fa838aaef65
sha512 3d863517953ba08e181bb1fec22f6060000379bd0537006183ce8cae54c64d9a663c95073185a6cac83803403165ac17091f4edbd71affcadc95c7670fc2f1b8
ripemd-160 464756e5e16f7029d5f1a52a75065dd7d68d3d58

20131845 as geometric shapes

Circle

Radius = n
Diameter 40263690
Circumference 126492112.71042
Area 1.2732598034043E+15

Sphere

Radius = n
Volume 3.4177425342488E+22
Surface area 5.0930392136173E+15
Circumference 126492112.71042

Square

Length = n
Perimeter 80527380
Area 405291183104025
Diagonal 28470728.234593

Cube

Length = n
Surface area 2431747098624150
Volume 8.1592592781169E+21
Space diagonal 34869378.390101

Equilateral Triangle

Length = n
Perimeter 60395535
Area 1.7549623024897E+14
Altitude 17434689.195051

Triangular Pyramid

Length = n
Surface area 1.7549623024897E+14
Volume 9.6157792750261E+20
Height 9490242.7448643