64 (number)

64 is an even 2-digits composite number following 63 and preceding 65. In scientific notation, it is written as 6.4 × 10^1. The sum of its digits is 10. It has a total of 6 prime factors and 7 positive divisors. There are 32 positive integers (up to 64) that are relatively prime to 64.

Interesting facts

Basic properties

Name

Name sixty-four

Notation

Scientific notation 6.4 × 10^1
Engineering notation 6.4 × 10^0

Prime Factorization of 64

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2
Product of the distinct prime numbers

The prime factorization of 64 is 2 × 2 × 2 × 2 × 2 × 2. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 59, 41, 591, 95, 4234, 97, 27014, 20182, 575989, 271194, 937819, 3172058, 36922055, 97804729, 348214336, 896270177, 4666050524, 1134886858

Basic calculations (n = 64)

Multiplication

n×y
n×2 128
n×3 192
n×4 256
n×5 320

Division

n÷y
n÷2 32
n÷3 21.333333333333
n÷3 16
n÷5 12.8

Exponentiation

ny
n2 4096
n3 262144
n4 16777216
n5 1073741824

Nth Root

y√n
2√n 8
3√n 4
4√n 2.8284271247462
5√n 2.2973967099941

Divisors of 64

1, 2, 4, 8, 16, 32, 64

7 divisors

τ Total Divisors 7
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -63
Sum of the proper positive divisors of n
A Arithmetic Mean 0.14285714285714
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 7
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64 can be divided by 7 positive divisors. The sum of these divisors (counting 64) is 1, the average is 0.14285714285714.

Base conversion 64

Base System Value
2 Binary 1000000
3 Ternary 2101
4 Quaternary 1000
5 Quinary 224
6 Senary 144
8 Octal 100
10 Decimal 64
12 Duodecimal 54
16 Hexadecimal 40
20 Vigesimal 34
36 Base36 1s

Cryptographic Hash Functions

md5 ea5d2f1c4608232e07d3aa3d998e5135
sha1 c66c65175fecc3103b3b587be9b5b230889c8628
sha256 a68b412c4282555f15546cf6e1fc42893b7e07f271557ceb021821098dd66c1b
sha512 e559aefac6fe1b006d3497abee2649ceb71fcceea73fd223782338ab29c08e5b887836b806349d5ace9030c69ca91850b01c468825d02359a5faee7261de415e
ripemd-160 cee22f02109a62a3a01349d050a3be1c2168c8bf

64 as geometric shapes

Circle

Radius = n
Diameter 128
Circumference 402.12385965949
Area 12867.963509104

Sphere

Radius = n
Volume 1098066.2194435
Surface area 51471.854036415
Circumference 402.12385965949

Square

Length = n
Perimeter 256
Area 4096
Diagonal 90.509667991878

Cube

Length = n
Surface area 24576
Volume 262144
Space diagonal 110.85125168441

Equilateral Triangle

Length = n
Perimeter 192
Area 1773.6200269505
Altitude 55.425625842204

Triangular Pyramid

Length = n
Surface area 1773.6200269505
Volume 30893.966674561
Height 30.169889330626