20180638 (number)

20180638 is an even 8-digits composite number following 20180637 and preceding 20180639. In scientific notation, it is written as 2.0180638 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10073400 positive integers (up to 20180638) that are relatively prime to 20180638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180638 × 10^7
Engineering notation 2.0180638 × 10^6

Prime Factorization of 20180638

Prime Factorization 2 × 619 × 16301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20180638
Product of the distinct prime numbers

The prime factorization of 20180638 is 2 × 619 × 16301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180638)

Multiplication

n×y
n×2 40361276
n×3 60541914
n×4 80722552
n×5 100903190

Division

n÷y
n÷2 10090319
n÷3 6726879.3333333
n÷3 5045159.5
n÷5 4036127.6

Exponentiation

ny
n2 407258150087044
n3 8.2187292994563E+21
n4 1.6585920081232E+29
n5 3.3471444905628E+36

Nth Root

y√n
2√n 4492.2865002134
3√n 272.25652522205
4√n 67.024521633604
5√n 28.905932115597

Divisors of 20180638

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 -20180637
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 20180638 can be divided by 8 positive divisors. The sum of these divisors (counting 20180638) is 1, the average is 0.125.

Base conversion 20180638

Base System Value
2 Binary 1001100111110111010011110
3 Ternary 1101222021122001
4 Quaternary 1030332322132
5 Quinary 20131240023
6 Senary 2000312514
8 Octal 114767236
10 Decimal 20180638
12 Duodecimal 691273a
16 Hexadecimal 133ee9e
20 Vigesimal 662bbi
36 Base36 c0jha

Cryptographic Hash Functions

md5 0972c1b30a257a997770afa01aba4793
sha1 d4b47930420920519b3e03757ec5825983e9fb4a
sha256 7ccca2ed167d494efcfe9014ad69ee22f286e73b3499b2d86f2d14c0b37fc999
sha512 555102579788c35849b66243bf52bf3e3c73cb7ed57913f916d627a66a02378353ff99e47efdb303f46c138ec7f7b3ce2b5dd1153ed1a24964a89605a65ad505
ripemd-160 9f47353879621134987c16a73083e6184b355337

20180638 as geometric shapes

Circle

Radius = n
Diameter 40361276
Circumference 126798688.17111
Area 1.279439212428E+15

Sphere

Radius = n
Volume 3.4426532785353E+22
Surface area 5.1177568497121E+15
Circumference 126798688.17111

Square

Length = n
Perimeter 80722552
Area 407258150087044
Diagonal 28539731.956942

Cube

Length = n
Surface area 2443548900522264
Volume 8.2187292994563E+21
Space diagonal 34953890.345155

Equilateral Triangle

Length = n
Perimeter 60541914
Area 1.7634795193682E+14
Altitude 17476945.172578

Triangular Pyramid

Length = n
Surface area 1.7634795193682E+14
Volume 9.6858653673035E+20
Height 9513243.9856473