64508721 (number)

64508721 is an odd 8-digits composite number following 64508720 and preceding 64508722. In scientific notation, it is written as 6.4508721 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 41135952 positive integers (up to 64508721) that are relatively prime to 64508721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4508721 × 10^7
Engineering notation 6.4508721 × 10^6

Prime Factorization of 64508721

Prime Factorization 3 × 23 × 934909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64508721
Product of the distinct prime numbers

The prime factorization of 64508721 is 3 × 23 × 934909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64508721)

Multiplication

n×y
n×2 129017442
n×3 193526163
n×4 258034884
n×5 322543605

Division

n÷y
n÷2 32254360.5
n÷3 21502907
n÷3 16127180.25
n÷5 12901744.2

Exponentiation

ny
n2 4161375085055841
n3 2.6844498433822E+23
n4 1.7317042598524E+31
n5 1.1171002695333E+39

Nth Root

y√n
2√n 8031.7321294973
3√n 401.0570396242
4√n 89.619931541468
5√n 36.46898584048

Divisors of 64508721

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 -64508720
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 64508721 can be divided by 8 positive divisors. The sum of these divisors (counting 64508721) is 1, the average is 0.125.

Base conversion 64508721

Base System Value
2 Binary 11110110000101001100110001
3 Ternary 11111101101022220
4 Quaternary 3312011030301
5 Quinary 113003234341
6 Senary 10222351253
8 Octal 366051461
10 Decimal 64508721
12 Duodecimal 1972b529
16 Hexadecimal 3d85331
20 Vigesimal 1033bg1
36 Base36 12en8x

Cryptographic Hash Functions

md5 31d73dfb8ef4c88ea35ac1e6d17588f5
sha1 e0d9169e62f7b441df579b293b14a01db7defb11
sha256 ae0dc4a9990c2f74f258e1fdf4ff9dde36c4646a25f283ebb43a3fa93523c84f
sha512 05c4619ae597b3c04ba50ab164a0a57650d9eb78483f38aa88c8f2811a03d80852e4b5fb3b8325a564bd97674bb8fa6e8d740d635a321fcd8197bc2d88e7dabe
ripemd-160 4922beff12e30498690395b98c4e441baaf18692

64508721 as geometric shapes

Circle

Radius = n
Diameter 129017442
Circumference 405320247.97215
Area 1.3073345396043E+16

Sphere

Radius = n
Volume 1.12445972092E+24
Surface area 5.2293381584172E+16
Circumference 405320247.97215

Square

Length = n
Perimeter 258034884
Area 4161375085055841
Diagonal 91229108.129542

Cube

Length = n
Surface area 24968250510335046
Volume 2.6844498433822E+23
Space diagonal 111732382.30329

Equilateral Triangle

Length = n
Perimeter 193526163
Area 1.801928269167E+15
Altitude 55866191.151643

Triangular Pyramid

Length = n
Surface area 1.801928269167E+15
Volume 3.1636544800178E+22
Height 30409702.709847