668839636 (number)

668839636 is an even 9-digits composite number following 668839635 and preceding 668839637. In scientific notation, it is written as 6.68839636 × 10^8. The sum of its digits is 55. It has a total of 5 prime factors and 18 positive divisors. There are 314747520 positive integers (up to 668839636) that are relatively prime to 668839636.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred thirty-nine thousand six hundred thirty-six

Notation

Scientific notation 6.68839636 × 10^8
Engineering notation 6.68839636 × 10^6

Prime Factorization of 668839636

Prime Factorization 2 × 2 × 17 × 17 × 578581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19671754
Product of the distinct prime numbers

The prime factorization of 668839636 is 2 × 2 × 17 × 17 × 578581. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668839636)

Multiplication

n×y
n×2 1337679272
n×3 2006518908
n×4 2675358544
n×5 3344198180

Division

n÷y
n÷2 334419818
n÷3 222946545.33333
n÷3 167209909
n÷5 133767927.2

Exponentiation

ny
n2 447346458684612496
n3 2.9920304259251E+26
n4 2.0011885409766E+35
n5 1.3384742153142E+44

Nth Root

y√n
2√n 25861.93411174
3√n 874.5285671625
4√n 160.81646094769
5√n 58.218954270431

Divisors of 668839636

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668839635
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668839636 can be divided by 18 positive divisors. The sum of these divisors (counting 668839636) is 1, the average is 0.055555555555556.

Base conversion 668839636

Base System Value
2 Binary 100111110111011010111011010100
3 Ternary 1201121112120111101
4 Quaternary 213313122323110
5 Quinary 2332210332021
6 Senary 150211315444
8 Octal 4767327324
10 Decimal 668839636
12 Duodecimal 167babb84
16 Hexadecimal 27ddaed4
20 Vigesimal a904j1g
36 Base36 b27jys

Cryptographic Hash Functions

md5 58710c425de37ee4c5914adc13e6e4f1
sha1 f065ea494aa2e6c72094ac1db5d56b3315a8c830
sha256 5be12f1722441509317f01f68be9a91f26373bed2e465d178a6c53027a1e4c60
sha512 cf53e1df4681d5ed6d1268431b75eb055381ead29f79bd27839b7d7188be9474f6c25dbc8af209b32315cae77e382c64c47ee336b7ca3ec4ab090c698163f1a0
ripemd-160 8447cb8738c4a591e327fe90e24a637eae8e486f

668839636 as geometric shapes

Circle

Radius = n
Diameter 1337679272
Circumference 4202443373.7745
Area 1.405380348213E+18

Sphere

Radius = n
Volume 1.2532987740538E+27
Surface area 5.621521392852E+18
Circumference 4202443373.7745

Square

Length = n
Perimeter 2675358544
Area 447346458684612496
Diagonal 945882084.28388

Cube

Length = n
Surface area 2684078752107674976
Volume 2.9920304259251E+26
Space diagonal 1158464231.6679

Equilateral Triangle

Length = n
Perimeter 2006518908
Area 1.9370669875694E+17
Altitude 579232115.83394

Triangular Pyramid

Length = n
Surface area 1.9370669875694E+17
Volume 3.5261416728135E+25
Height 315294028.09463