20180491 (number)

20180491 is an odd 8-digits composite number following 20180490 and preceding 20180492. In scientific notation, it is written as 2.0180491 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19484584 positive integers (up to 20180491) that are relatively prime to 20180491.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand four hundred ninety-one

Notation

Scientific notation 2.0180491 × 10^7
Engineering notation 2.0180491 × 10^6

Prime Factorization of 20180491

Prime Factorization 29 × 695879

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20180491
Product of the distinct prime numbers

The prime factorization of 20180491 is 29 × 695879. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180491)

Multiplication

n×y
n×2 40360982
n×3 60541473
n×4 80721964
n×5 100902455

Division

n÷y
n÷2 10090245.5
n÷3 6726830.3333333
n÷3 5045122.75
n÷5 4036098.2

Exponentiation

ny
n2 407252217001081
n3 8.2185496999204E+21
n4 1.658543682523E+29
n5 3.3470225858261E+36

Nth Root

y√n
2√n 4492.2701388051
3√n 272.25586416257
4√n 67.024399578102
5√n 28.905890004099

Divisors of 20180491

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 -20180490
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 20180491 can be divided by 4 positive divisors. The sum of these divisors (counting 20180491) is 1, the average is 0.25.

Base conversion 20180491

Base System Value
2 Binary 1001100111110111000001011
3 Ternary 1101222021102121
4 Quaternary 1030332320023
5 Quinary 20131233431
6 Senary 2000312111
8 Octal 114767013
10 Decimal 20180491
12 Duodecimal 6912637
16 Hexadecimal 133ee0b
20 Vigesimal 662b4b
36 Base36 c0jd7

Cryptographic Hash Functions

md5 a4dfc503f6b4191c84b10eaaa75e822b
sha1 bdd494b94bc5a2cdacf698145d7172495a4674af
sha256 f0b75251f248e7b850ecf9bff2eb77ef7072e18acd52f509dafd2fe62a3de473
sha512 d828d636fbf967c2e1fc316c4ffbd751245eb3a4c86d8081de99e486d180111ab0d8f4f805e6f15bf07c252f4e0f4f858f1103f0e53a25fd2770c8a7369a2a89
ripemd-160 6e0b23ffa2c557db64cfd1c79ad38ee1c43e038f

20180491 as geometric shapes

Circle

Radius = n
Diameter 40360982
Circumference 126797764.54287
Area 1.2794205730888E+15

Sphere

Radius = n
Volume 3.4425780480577E+22
Surface area 5.117682292355E+15
Circumference 126797764.54287

Square

Length = n
Perimeter 80721964
Area 407252217001081
Diagonal 28539524.067548

Cube

Length = n
Surface area 2443513302006486
Volume 8.2185496999204E+21
Space diagonal 34953635.733686

Equilateral Triangle

Length = n
Perimeter 60541473
Area 1.7634538283523E+14
Altitude 17476817.866843

Triangular Pyramid

Length = n
Surface area 1.7634538283523E+14
Volume 9.6856537072206E+20
Height 9513174.6891827