64131818 (number)

64131818 is an even 8-digits composite number following 64131817 and preceding 64131819. In scientific notation, it is written as 6.4131818 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 30868656 positive integers (up to 64131818) that are relatively prime to 64131818.

Interesting facts

Basic properties

Name

Name sixty-four million one hundred thirty-one thousand eight hundred eighteen

Notation

Scientific notation 6.4131818 × 10^7
Engineering notation 6.4131818 × 10^6

Prime Factorization of 64131818

Prime Factorization 2 × 29 × 383 × 2887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64131818
Product of the distinct prime numbers

The prime factorization of 64131818 is 2 × 29 × 383 × 2887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64131818)

Multiplication

n×y
n×2 128263636
n×3 192395454
n×4 256527272
n×5 320659090

Division

n÷y
n÷2 32065909
n÷3 21377272.666667
n÷3 16032954.5
n÷5 12826363.6

Exponentiation

ny
n2 4112890079985124
n3 2.6376711806361E+23
n4 1.691586481004E+31
n5 1.0848451633101E+39

Nth Root

y√n
2√n 8008.2343871792
3√n 400.27443250727
4√n 89.488738884729
5√n 36.426270664459

Divisors of 64131818

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 -64131817
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 64131818 can be divided by 16 positive divisors. The sum of these divisors (counting 64131818) is 1, the average is 0.0625.

Base conversion 64131818

Base System Value
2 Binary 11110100101001001011101010
3 Ternary 11110200020022112
4 Quaternary 3310221023222
5 Quinary 112404204233
6 Senary 10210322322
8 Octal 364511352
10 Decimal 64131818
12 Duodecimal 195893a2
16 Hexadecimal 3d292ea
20 Vigesimal 100g9ai
36 Base36 126kfe

Cryptographic Hash Functions

md5 e29f0b3debe987faa42a47b58dde76af
sha1 0fb7b48e3345eef3132ba4dfcec229bf4d79e15d
sha256 e55302f4fc8fbd4374ae41ce82715bfd1f004c55dd5dfb1769c68f6eada196e7
sha512 4ac8be143dee223b6ed77d70d5d4b56ffe8c1c91878929e9a7c21e29047694f0aaa1db02bd03d19746435b3fa8558cdba6bc20a8c412f5b7b5223dc6bdd91fff
ripemd-160 1da893ea41697d5cf88f73517f5b58d2d522be5e

64131818 as geometric shapes

Circle

Radius = n
Diameter 128263636
Circumference 402952096.58032
Area 1.2921025260304E+16

Sphere

Radius = n
Volume 1.1048651204896E+24
Surface area 5.1684101041214E+16
Circumference 402952096.58032

Square

Length = n
Perimeter 256527272
Area 4112890079985124
Diagonal 90696086.795243

Cube

Length = n
Surface area 24677340479910744
Volume 2.6376711806361E+23
Space diagonal 111079567.15776

Equilateral Triangle

Length = n
Perimeter 192395454
Area 1.7809336461201E+15
Altitude 55539783.57888

Triangular Pyramid

Length = n
Surface area 1.7809336461201E+15
Volume 3.1085252972802E+22
Height 30232028.931748