20131018 (number)

20131018 is an even 8-digits composite number following 20131017 and preceding 20131019. In scientific notation, it is written as 2.0131018 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 9918000 positive integers (up to 20131018) that are relatively prime to 20131018.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand eighteen

Notation

Scientific notation 2.0131018 × 10^7
Engineering notation 2.0131018 × 10^6

Prime Factorization of 20131018

Prime Factorization 2 × 151 × 191 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20131018
Product of the distinct prime numbers

The prime factorization of 20131018 is 2 × 151 × 191 × 349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 71, 84, 336, 441, 1646, 8990, 48412, 59467, 342992, 810449, 425926, 1463703, 71897147, 76632406, 721762773, 641481935, 8412325584, 511471403

Basic calculations (n = 20131018)

Multiplication

n×y
n×2 40262036
n×3 60393054
n×4 80524072
n×5 100655090

Division

n÷y
n÷2 10065509
n÷3 6710339.3333333
n÷3 5032754.5
n÷5 4026203.6

Exponentiation

ny
n2 405257885716324
n3 8.1582537919973E+21
n4 1.6423395393527E+29
n5 3.306196682882E+36

Nth Root

y√n
2√n 4486.7603011527
3√n 272.0332013249
4√n 66.983283744175
5√n 28.891703377072

Divisors of 20131018

1, 2, 151, 191, 302, 349, 382, 698, 28841, 52699, 57682, 66659, 105398, 133318, 10065509, 20131018

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 -20131017
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 20131018 can be divided by 16 positive divisors. The sum of these divisors (counting 20131018) is 1, the average is 0.0625.

Base conversion 20131018

Base System Value
2 Binary 1001100110010110011001010
3 Ternary 1101212202120021
4 Quaternary 1030302303022
5 Quinary 20123143033
6 Senary 1555251054
8 Octal 114626312
10 Decimal 20131018
12 Duodecimal 68a9a8a
16 Hexadecimal 1332cca
20 Vigesimal 65g7ai
36 Base36 bzh6y

Cryptographic Hash Functions

md5 826f0ad78326a668f2806409652257ef
sha1 1a1ec81f17c012b4b32de987fef87c42b1e1ac22
sha256 2d06ccdd39c76e32b851ef8b1d273f8405ea3a9cd04ea058c16e049d32f97874
sha512 8d4b8f7914d8da5fc1db0a5e9ce34aa9a7739185b6ee91113ae60aea0ce5b3a435622fcc6c4aefbe0d3b5d271326a6df4ac40e9f36ea9a349f82b0548c1a5810
ripemd-160 cd3c980900379d681a62f1c27d2faa645e017646

20131018 as geometric shapes

Circle

Radius = n
Diameter 40262036
Circumference 126486916.51617
Area 1.2731551965757E+15

Sphere

Radius = n
Volume 3.417321357208E+22
Surface area 5.0926207863029E+15
Circumference 126486916.51617

Square

Length = n
Perimeter 80524072
Area 405257885716324
Diagonal 28469558.679977

Cube

Length = n
Surface area 2431547314297944
Volume 8.1582537919973E+21
Space diagonal 34867945.984084

Equilateral Triangle

Length = n
Perimeter 60393054
Area 1.7548181205715E+14
Altitude 17433972.992042

Triangular Pyramid

Length = n
Surface area 1.7548181205715E+14
Volume 9.6145942982702E+20
Height 9489852.8933256