664646985 (number)

664646985 is an odd 9-digits composite number following 664646984 and preceding 664646986. In scientific notation, it is written as 6.64646985 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors. There are 334851264 positive integers (up to 664646985) that are relatively prime to 664646985.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million six hundred forty-six thousand nine hundred eighty-five

Notation

Scientific notation 6.64646985 × 10^8
Engineering notation 6.64646985 × 10^6

Prime Factorization of 664646985

Prime Factorization 27 × 5 × 23 × 2579 × 83

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 664646985
Product of the distinct prime numbers

The prime factorization of 664646985 is 27 × 5 × 23 × 2579 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 664646985)

Multiplication

n×y
n×2 1329293970
n×3 1993940955
n×4 2658587940
n×5 3323234925

Division

n÷y
n÷2 332323492.5
n÷3 221548995
n÷3 166161746.25
n÷5 132929397

Exponentiation

ny
n2 441755614669590225
n3 2.9361153739696E+26
n4 1.9514802309211E+35
n5 1.2970454517688E+44

Nth Root

y√n
2√n 25780.748340574
3√n 872.69739515081
4√n 160.56384506038
5√n 58.145780942837

Divisors of 664646985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -664646984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 664646985 can be divided by 32 positive divisors. The sum of these divisors (counting 664646985) is 1, the average is 0.03125.

Base conversion 664646985

Base System Value
2 Binary 100111100111011011010101001001
3 Ternary 1201022122120021000
4 Quaternary 213213123111021
5 Quinary 2330122200420
6 Senary 145541405213
8 Octal 4747332511
10 Decimal 664646985
12 Duodecimal 166709809
16 Hexadecimal 279db549
20 Vigesimal a7e0h95
36 Base36 azpow9

Cryptographic Hash Functions

md5 ad835770e81b3345f187d60c6ed71d80
sha1 8c8557ff9e5b3b48f99a7354ab87aeffc2ec5d84
sha256 f6de3807405cf13583dd90161a4e785797665dd72e7063db4851a09dbfa82575
sha512 84d5c002b6490dcc7fccecf12cecb8c72c50e7367d3b14f0fbc532d81cf1031a84ead090c26caf6337c5567c7640d2bf5894ab5bd9fee733afc66f3b1d000d1a
ripemd-160 7c199a0c2278a4acb28a73e5ba4ab6f8e061d2e9

664646985 as geometric shapes

Circle

Radius = n
Diameter 1329293970
Circumference 4176100170.6132
Area 1.387816193728E+18

Sphere

Radius = n
Volume 1.2298771318607E+27
Surface area 5.5512647749121E+18
Circumference 4176100170.6132

Square

Length = n
Perimeter 2658587940
Area 441755614669590225
Diagonal 939952780.37739

Cube

Length = n
Surface area 2650533688017541350
Volume 2.9361153739696E+26
Space diagonal 1151202347.1175

Equilateral Triangle

Length = n
Perimeter 1993940955
Area 1.9128579228414E+17
Altitude 575601173.55873

Triangular Pyramid

Length = n
Surface area 1.9128579228414E+17
Volume 3.4602451521334E+25
Height 313317593.45913