664691640 (number)

664691640 is an even 9-digits composite number following 664691639 and preceding 664691641. In scientific notation, it is written as 6.64691640 × 10^8. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 173053440 positive integers (up to 664691640) that are relatively prime to 664691640.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million six hundred ninety-one thousand six hundred forty

Notation

Scientific notation 6.64691640 × 10^8
Engineering notation 6.64691640 × 10^6

Prime Factorization of 664691640

Prime Factorization 2 × 2 × 2 × 15 × 59 × 223 × 421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 166172910
Product of the distinct prime numbers

The prime factorization of 664691640 is 2 × 2 × 2 × 15 × 59 × 223 × 421. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 6, 28, 15, 902, 880, 103, 8500, 66970, 89520, 642477, 346738, 2648415, 2238804, 60440935, 71235684, 510803932, 538451028, 404210646, 9795338532

Basic calculations (n = 664691640)

Multiplication

n×y
n×2 1329383280
n×3 1994074920
n×4 2658766560
n×5 3323458200

Division

n÷y
n÷2 332345820
n÷3 221563880
n÷3 166172910
n÷5 132938328

Exponentiation

ny
n2 441814976285889600
n3 2.9367072116403E+26
n4 1.952004732705E+35
n5 1.2974812270695E+44

Nth Root

y√n
2√n 25781.614379243
3√n 872.7169390743
4√n 160.56654190473
5√n 58.146562238812

Divisors of 664691640

1, 2, 4, 8, 15, 30, 59, 60, 118, 120, 223, 236, 421, 446, 472, 842, 885, 892, 1684, 1770, 1784, 3345, 3368, 3540, 6315, 6690, 7080, 12630, 13157, 13380, 24839, 25260, 26314, 26760, 49678, 50520, 52628, 93883, 99356, 105256, 187766, 197355, 198712, 372585, 375532, 394710, 745170, 751064, 789420, 1408245, 1490340, 1578840, 2816490, 2980680, 5539097, 5632980, 11078194, 11265960, 22156388, 44312776, 83086455, 166172910, 332345820, 664691640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -664691639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 664691640 can be divided by 64 positive divisors. The sum of these divisors (counting 664691640) is 1, the average is 0.015625.

Base conversion 664691640

Base System Value
2 Binary 100111100111100110001110111000
3 Ternary 1201022201211111220
4 Quaternary 213213212032320
5 Quinary 2330130113030
6 Senary 145542352040
8 Octal 4747461670
10 Decimal 664691640
12 Duodecimal 16672b620
16 Hexadecimal 279e63b8
20 Vigesimal a7e6920
36 Base36 azqnco

Cryptographic Hash Functions

md5 e406d854d7e47b6f35f6724ef13ddb64
sha1 609eb3d5ec10ec204d6e1e60873262e0574c6fc2
sha256 694224e452934644263d6750700b9d6beaba9b1e11a75558dc001ee307f279a3
sha512 1243e4f927723aa38a796b6f843b407b361b0bcb725532a1b1a7fce6b42264aa53747931d3b42a1524a50984e5feaf8bf544ae53efc1d6e25a377700731c0f66
ripemd-160 94603d0cbf31405a700d54ed600c62b6bb81a4bb

664691640 as geometric shapes

Circle

Radius = n
Diameter 1329383280
Circumference 4176380746.2531
Area 1.3880026837457E+18

Sphere

Radius = n
Volume 1.2301250402444E+27
Surface area 5.5520107349828E+18
Circumference 4176380746.2531

Square

Length = n
Perimeter 2658766560
Area 441814976285889600
Diagonal 940015932.08401

Cube

Length = n
Surface area 2650889857715337600
Volume 2.9367072116403E+26
Space diagonal 1151279691.8463

Equilateral Triangle

Length = n
Perimeter 1994074920
Area 1.91311496618E+17
Altitude 575639845.92314

Triangular Pyramid

Length = n
Surface area 1.91311496618E+17
Volume 3.4609426395171E+25
Height 313338644.02801