64721656 (number)

64721656 is an even 8-digits composite number following 64721655 and preceding 64721657. In scientific notation, it is written as 6.4721656 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors. There are 32292960 positive integers (up to 64721656) that are relatively prime to 64721656.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4721656 × 10^7
Engineering notation 6.4721656 × 10^6

Prime Factorization of 64721656

Prime Factorization 2 × 2 × 2 × 491 × 16477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16180414
Product of the distinct prime numbers

The prime factorization of 64721656 is 2 × 2 × 2 × 491 × 16477. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64721656)

Multiplication

n×y
n×2 129443312
n×3 194164968
n×4 258886624
n×5 323608280

Division

n÷y
n÷2 32360828
n÷3 21573885.333333
n÷3 16180414
n÷5 12944331.2

Exponentiation

ny
n2 4188892755382336
n3 2.7111207593475E+23
n4 1.7546822516095E+31
n5 1.1356594107797E+39

Nth Root

y√n
2√n 8044.9770664682
3√n 401.49783423071
4√n 89.693796142589
5√n 36.49303000208

Divisors of 64721656

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 -64721655
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 64721656 can be divided by 16 positive divisors. The sum of these divisors (counting 64721656) is 1, the average is 0.0625.

Base conversion 64721656

Base System Value
2 Binary 11110110111001001011111000
3 Ternary 11111210012102101
4 Quaternary 3312321023320
5 Quinary 113032043111
6 Senary 10231113144
8 Octal 366711370
10 Decimal 64721656
12 Duodecimal 198127b4
16 Hexadecimal 3db92f8
20 Vigesimal 104a42g
36 Base36 12j7js

Cryptographic Hash Functions

md5 0d87ddc595908214a4fa66af57eb6633
sha1 aef62c027b5bfc314ffbaa68561fa6e66d2fcf9b
sha256 8defc8c0f0559d3381b542b2a5f4cda42ead4bbded7e5373f7ff273b0cb5e801
sha512 66377aa28ddbbc7448fd3725d803d653231dd536b6df749677499ddd9a595f6532db4388fa2c7824c4f92fa6ccd3f23804641195f5be10b1b467dd815d9d9ded
ripemd-160 d0e291129ad3e28f4c0f95c3eba0817ae8816831

64721656 as geometric shapes

Circle

Radius = n
Diameter 129443312
Circumference 406658158.03553
Area 1.3159794706985E+16

Sphere

Radius = n
Volume 1.1356316080748E+24
Surface area 5.2639178827939E+16
Circumference 406658158.03553

Square

Length = n
Perimeter 258886624
Area 4188892755382336
Diagonal 91530243.694446

Cube

Length = n
Surface area 25133356532294016
Volume 2.7111207593475E+23
Space diagonal 112101196.542

Equilateral Triangle

Length = n
Perimeter 194164968
Area 1.8138437699448E+15
Altitude 56050598.270998

Triangular Pyramid

Length = n
Surface area 1.8138437699448E+15
Volume 3.195086455917E+22
Height 30510081.231482