664694891 (number)

664694891 is an odd 9-digits composite number following 664694890 and preceding 664694892. In scientific notation, it is written as 6.64694891 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 564021024 positive integers (up to 664694891) that are relatively prime to 664694891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.64694891 × 10^8
Engineering notation 6.64694891 × 10^6

Prime Factorization of 664694891

Prime Factorization 7 × 173 × 263 × 2087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 664694891
Product of the distinct prime numbers

The prime factorization of 664694891 is 7 × 173 × 263 × 2087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 664694891)

Multiplication

n×y
n×2 1329389782
n×3 1994084673
n×4 2658779564
n×5 3323474455

Division

n÷y
n÷2 332347445.5
n÷3 221564963.66667
n÷3 166173722.75
n÷5 132938978.2

Exponentiation

ny
n2 441819298121501881
n3 2.9367503020657E+26
n4 1.9520429219258E+35
n5 1.2975129572168E+44

Nth Root

y√n
2√n 25781.677427972
3√n 872.71836188851
4√n 160.5667382367
5√n 58.146619117549

Divisors of 664694891

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 -664694890
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 664694891 can be divided by 16 positive divisors. The sum of these divisors (counting 664694891) is 1, the average is 0.0625.

Base conversion 664694891

Base System Value
2 Binary 100111100111100111000001101011
3 Ternary 1201022201222222022
4 Quaternary 213213213001223
5 Quinary 2330130214031
6 Senary 145542415055
8 Octal 4747470153
10 Decimal 664694891
12 Duodecimal 16673148b
16 Hexadecimal 279e706b
20 Vigesimal a7e6h4b
36 Base36 azqpuz

Cryptographic Hash Functions

md5 fe9726241e6f39d5d3d8627a6e66be55
sha1 0be16d150c8f624a2091f99f4f95147ee241f69d
sha256 3e290e09432c3b7d7930b33c290d6d49ceb0764269105381d3e4bf0e81ab0492
sha512 304e05bebc301539bf23a82755bd64f9d03de21210ad22b548627805eff06af7c890807fb1deaef71adf3d59c4e4693d16026d21ffb5a0e375a2eb5497f11782
ripemd-160 314bd00098ea09849ca2193470b6ec1b4dfd29e4

664694891 as geometric shapes

Circle

Radius = n
Diameter 1329389782
Circumference 4176401172.8885
Area 1.3880162611927E+18

Sphere

Radius = n
Volume 1.2301430899196E+27
Surface area 5.5520650447708E+18
Circumference 4176401172.8885

Square

Length = n
Perimeter 2658779564
Area 441819298121501881
Diagonal 940020529.69231

Cube

Length = n
Surface area 2650915788729011286
Volume 2.9367503020657E+26
Space diagonal 1151285322.7435

Equilateral Triangle

Length = n
Perimeter 1994084673
Area 1.9131336802772E+17
Altitude 575642661.37173

Triangular Pyramid

Length = n
Surface area 1.9131336802772E+17
Volume 3.4609934220705E+25
Height 313340176.5641