664687581 (number)

664687581 is an odd 9-digits composite number following 664687580 and preceding 664687582. In scientific notation, it is written as 6.64687581 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 437964800 positive integers (up to 664687581) that are relatively prime to 664687581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.64687581 × 10^8
Engineering notation 6.64687581 × 10^6

Prime Factorization of 664687581

Prime Factorization 3 × 131 × 257 × 6581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 664687581
Product of the distinct prime numbers

The prime factorization of 664687581 is 3 × 131 × 257 × 6581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 42, 56, 179, 782, 7265, 7817, 85911, 6970, 735393, 225198, 4865083, 3626384, 4314386, 85536363, 493373392, 612306226, 1374513322, 2473282508

Basic calculations (n = 664687581)

Multiplication

n×y
n×2 1329375162
n×3 1994062743
n×4 2658750324
n×5 3323437905

Division

n÷y
n÷2 332343790.5
n÷3 221562527
n÷3 166171895.25
n÷5 132937516.2

Exponentiation

ny
n2 441809580335631561
n3 2.9366534121592E+26
n4 1.9519570527635E+35
n5 1.2974416116172E+44

Nth Root

y√n
2√n 25781.535660236
3√n 872.71516262887
4√n 160.56629677562
5√n 58.146491223184

Divisors of 664687581

1, 3, 131, 257, 393, 771, 6581, 19743, 33667, 101001, 862111, 1691317, 2586333, 5073951, 221562527, 664687581

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 -664687580
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 664687581 can be divided by 16 positive divisors. The sum of these divisors (counting 664687581) is 1, the average is 0.0625.

Base conversion 664687581

Base System Value
2 Binary 100111100111100101001111011101
3 Ternary 1201022201121221120
4 Quaternary 213213211033131
5 Quinary 2330130000311
6 Senary 145542321153
8 Octal 4747451735
10 Decimal 664687581
12 Duodecimal 1667291b9
16 Hexadecimal 279e53dd
20 Vigesimal a7e5ij1
36 Base36 azqk7x

Cryptographic Hash Functions

md5 94457d0ce8f2c54f2b0d8d949faf9757
sha1 750b78f4dde3375a28d7d91c012cebafb680b31c
sha256 4494e48363b28ed0496195817f293d54ba8c488abcc844ab3a0a1ea5608c8ec0
sha512 b7c59c9b78ec023611878119b205caee205a5ebd469a0fff5f5f6e5ed4fdc81fbe063be11dd0c0724bd3b2a85e15cf815bc982e027a02f9925447c4a11f38fd2
ripemd-160 ee6d112b2f49cf6eb151315727a49f3c3cd73969

664687581 as geometric shapes

Circle

Radius = n
Diameter 1329375162
Circumference 4176355242.8039
Area 1.387985731868E+18

Sphere

Radius = n
Volume 1.2301025047705E+27
Surface area 5.551942927472E+18
Circumference 4176355242.8039

Square

Length = n
Perimeter 2658750324
Area 441809580335631561
Diagonal 940010191.79117

Cube

Length = n
Surface area 2650857482013789366
Volume 2.9366534121592E+26
Space diagonal 1151272661.4521

Equilateral Triangle

Length = n
Perimeter 1994062743
Area 1.91309160103E+17
Altitude 575636330.72603

Triangular Pyramid

Length = n
Surface area 1.91309160103E+17
Volume 3.4608792362206E+25
Height 313336730.59706