20180131 (number)

20180131 is an odd 8-digits composite number following 20180130 and preceding 20180132. In scientific notation, it is written as 2.0180131 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19302712 positive integers (up to 20180131) that are relatively prime to 20180131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180131 × 10^7
Engineering notation 2.0180131 × 10^6

Prime Factorization of 20180131

Prime Factorization 23 × 877397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20180131
Product of the distinct prime numbers

The prime factorization of 20180131 is 23 × 877397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180131)

Multiplication

n×y
n×2 40360262
n×3 60540393
n×4 80720524
n×5 100900655

Division

n÷y
n÷2 10090065.5
n÷3 6726710.3333333
n÷3 5045032.75
n÷5 4036026.2

Exponentiation

ny
n2 407237687177161
n3 8.2181098753721E+21
n4 1.658425338574E+29
n5 3.3467240586143E+36

Nth Root

y√n
2√n 4492.2300697983
3√n 272.25424522783
4√n 67.024100663853
5√n 28.905786872866

Divisors of 20180131

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 -20180130
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 20180131 can be divided by 4 positive divisors. The sum of these divisors (counting 20180131) is 1, the average is 0.25.

Base conversion 20180131

Base System Value
2 Binary 1001100111110110010100011
3 Ternary 1101222020221021
4 Quaternary 1030332302203
5 Quinary 20131231011
6 Senary 2000310311
8 Octal 114766243
10 Decimal 20180131
12 Duodecimal 6912397
16 Hexadecimal 133eca3
20 Vigesimal 662a6b
36 Base36 c0j37

Cryptographic Hash Functions

md5 27cf9b9af0f70922d4875dd55b58aa80
sha1 9cab730224e7690b8562fcc8829ad32d39482328
sha256 b34b6895fa6544cb0ddca2a13fde49e3bbb5da94a1061802f20c9f66045846bb
sha512 179d4618419e3cca695b40fda476bf12999ce9294fdd06712977c642d06184caa6bf9c64bdf856710749af1504552e2c1f708bfe9221f7ef75db13fe4890079a
ripemd-160 c81d504b21bd920fe094ae39e308ae987ba2dce4

20180131 as geometric shapes

Circle

Radius = n
Diameter 40360262
Circumference 126795502.59616
Area 1.2793749263007E+15

Sphere

Radius = n
Volume 3.4423938147817E+22
Surface area 5.1174997052027E+15
Circumference 126795502.59616

Square

Length = n
Perimeter 80720524
Area 407237687177161
Diagonal 28539014.950666

Cube

Length = n
Surface area 2443426123062966
Volume 8.2181098753721E+21
Space diagonal 34953012.195396

Equilateral Triangle

Length = n
Perimeter 60540393
Area 1.7633909123692E+14
Altitude 17476506.097698

Triangular Pyramid

Length = n
Surface area 1.7633909123692E+14
Volume 9.6851353690196E+20
Height 9513004.9835552