64506721 (number)

64506721 is an odd 8-digits composite number following 64506720 and preceding 64506722. In scientific notation, it is written as 6.4506721 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 60614400 positive integers (up to 64506721) that are relatively prime to 64506721.

Interesting facts

Basic properties

Name

Name sixty-four million five hundred six thousand seven hundred twenty-one

Notation

Scientific notation 6.4506721 × 10^7
Engineering notation 6.4506721 × 10^6

Prime Factorization of 64506721

Prime Factorization 17 × 701 × 5413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64506721
Product of the distinct prime numbers

The prime factorization of 64506721 is 17 × 701 × 5413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64506721)

Multiplication

n×y
n×2 129013442
n×3 193520163
n×4 258026884
n×5 322533605

Division

n÷y
n÷2 32253360.5
n÷3 21502240.333333
n÷3 16126680.25
n÷5 12901344.2

Exponentiation

ny
n2 4161117054171841
n3 2.684200168618E+23
n4 1.731489513852E+31
n5 1.1169271098447E+39

Nth Root

y√n
2√n 8031.6076223879
3√n 401.05289484937
4√n 89.619236899161
5√n 36.468759703998

Divisors of 64506721

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 -64506720
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 64506721 can be divided by 8 positive divisors. The sum of these divisors (counting 64506721) is 1, the average is 0.125.

Base conversion 64506721

Base System Value
2 Binary 11110110000100101101100001
3 Ternary 11111101021120211
4 Quaternary 3312010231201
5 Quinary 113003203341
6 Senary 10222334121
8 Octal 366045541
10 Decimal 64506721
12 Duodecimal 1972a341
16 Hexadecimal 3d84b61
20 Vigesimal 10336g1
36 Base36 12elpd

Cryptographic Hash Functions

md5 ddbc6871191e787f52694f5e85126ce9
sha1 b590ffad2ae8077269e2fb8aace13baf075d89b0
sha256 2645d78a90977f572ec8618ce0c72330d9cf534f3a8f7ea37907942f8c656137
sha512 82f5d3b4ae9de5d50f0dc654ba71e58804dd3fa3b0728c6b5024965bdea0c3f0c05c24c21c925cf0739b06b7f381cc6a1748b68a422403b7ad38bfb5bf51aa57
ripemd-160 504009f78a6b21035d5e73eaaf2fbb1734a3e9a5

64506721 as geometric shapes

Circle

Radius = n
Diameter 129013442
Circumference 405307681.60153
Area 1.3072534768113E+16

Sphere

Radius = n
Volume 1.1243551373993E+24
Surface area 5.2290139072454E+16
Circumference 405307681.60153

Square

Length = n
Perimeter 258026884
Area 4161117054171841
Diagonal 91226279.702417

Cube

Length = n
Surface area 24966702325031046
Volume 2.684200168618E+23
Space diagonal 111728918.20167

Equilateral Triangle

Length = n
Perimeter 193520163
Area 1.8018165385167E+15
Altitude 55864459.100835

Triangular Pyramid

Length = n
Surface area 1.8018165385167E+15
Volume 3.1633602354865E+22
Height 30408759.900806