20180494 (number)

20180494 is an even 8-digits composite number following 20180493 and preceding 20180495. In scientific notation, it is written as 2.0180494 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10090246 positive integers (up to 20180494) that are relatively prime to 20180494.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180494 × 10^7
Engineering notation 2.0180494 × 10^6

Prime Factorization of 20180494

Prime Factorization 2 × 10090247

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20180494
Product of the distinct prime numbers

The prime factorization of 20180494 is 2 × 10090247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180494)

Multiplication

n×y
n×2 40360988
n×3 60541482
n×4 80721976
n×5 100902470

Division

n÷y
n÷2 10090247
n÷3 6726831.3333333
n÷3 5045123.5
n÷5 4036098.8

Exponentiation

ny
n2 407252338084036
n3 8.2185533651909E+21
n4 1.6585446687491E+29
n5 3.3470250736424E+36

Nth Root

y√n
2√n 4492.270472712
3√n 272.25587765361
4√n 67.024402069037
5√n 28.90589086352

Divisors of 20180494

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 -20180493
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 20180494 can be divided by 4 positive divisors. The sum of these divisors (counting 20180494) is 1, the average is 0.25.

Base conversion 20180494

Base System Value
2 Binary 1001100111110111000001110
3 Ternary 1101222021102201
4 Quaternary 1030332320032
5 Quinary 20131233434
6 Senary 2000312114
8 Octal 114767016
10 Decimal 20180494
12 Duodecimal 691263a
16 Hexadecimal 133ee0e
20 Vigesimal 662b4e
36 Base36 c0jda

Cryptographic Hash Functions

md5 305f1f5550e9bf30b055a43abd93d871
sha1 a9104bc46e338c350809a1a66501791e202259e1
sha256 1b1a2e067fee7c5f82e672e262ad564184f153c6e4aba2ac553df16cb32b9768
sha512 0cd135f59e396ca082eac5adac6d5f34838a5bd5efacfaff37901fbc13efd22af67f3254f5dded25e41d0e6648973d01751abe22ae7c384221ea24c66f4bc2de
ripemd-160 129db8a987a530b8dc95b2de06a22b746c530f34

20180494 as geometric shapes

Circle

Radius = n
Diameter 40360988
Circumference 126797783.39243
Area 1.2794209534821E+15

Sphere

Radius = n
Volume 3.4425795833626E+22
Surface area 5.1176838139283E+15
Circumference 126797783.39243

Square

Length = n
Perimeter 80721976
Area 407252338084036
Diagonal 28539528.310189

Cube

Length = n
Surface area 2443514028504216
Volume 8.2185533651909E+21
Space diagonal 34953640.929839

Equilateral Triangle

Length = n
Perimeter 60541482
Area 1.7634543526569E+14
Altitude 17476820.464919

Triangular Pyramid

Length = n
Surface area 1.7634543526569E+14
Volume 9.6856580267833E+20
Height 9513176.1033963