665343721 (number)

665343721 is an odd 9-digits composite number following 665343720 and preceding 665343722. In scientific notation, it is written as 6.65343721 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 568658448 positive integers (up to 665343721) that are relatively prime to 665343721.

Interesting facts

Basic properties

Name

Name six hundred sixty-five million three hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 6.65343721 × 10^8
Engineering notation 6.65343721 × 10^6

Prime Factorization of 665343721

Prime Factorization 7 × 349 × 272347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 665343721
Product of the distinct prime numbers

The prime factorization of 665343721 is 7 × 349 × 272347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 665343721)

Multiplication

n×y
n×2 1330687442
n×3 1996031163
n×4 2661374884
n×5 3326718605

Division

n÷y
n÷2 332671860.5
n÷3 221781240.33333
n÷3 166335930.25
n÷5 133068744.2

Exponentiation

ny
n2 442682267074125841
n3 2.9453586679581E+26
n4 1.9596758958189E+35
n5 1.3038580524781E+44

Nth Root

y√n
2√n 25794.257519843
3√n 873.00223233728
4√n 160.60590748738
5√n 58.157966443757

Divisors of 665343721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -665343720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 665343721 can be divided by 8 positive divisors. The sum of these divisors (counting 665343721) is 1, the average is 0.125.

Base conversion 665343721

Base System Value
2 Binary 100111101010000101011011101001
3 Ternary 1201100221222000001
4 Quaternary 213222011123221
5 Quinary 2330311444341
6 Senary 150004343001
8 Octal 4752053351
10 Decimal 665343721
12 Duodecimal 1669a4a61
16 Hexadecimal 27a856e9
20 Vigesimal a7i7j61
36 Base36 b04mi1

Cryptographic Hash Functions

md5 2b03c0e487d186e8b37cb6fea9cde890
sha1 9e14b9d76a0294529ddf95c22f84fc8c0ddc3f25
sha256 7fa13f0c00e737e281afe6c6a9c8d0ddec8c8c82b7a2b6f828929cabfb70e100
sha512 21d7c34460bf2bd858825528d2de3a726b36d0eb8c02ef39ee37baf61f2df7530d5e06ac0657c688a78dfa3bd30fde70b46849bcd5688c549d5ebf5b982302d5
ripemd-160 33232e765fdee9030a3b9d4c5402edf53531926a

665343721 as geometric shapes

Circle

Radius = n
Diameter 1330687442
Circumference 4180477892.0114
Area 1.3907273581145E+18

Sphere

Radius = n
Volume 1.2337489537926E+27
Surface area 5.5629094324582E+18
Circumference 4180477892.0114

Square

Length = n
Perimeter 2661374884
Area 442682267074125841
Diagonal 940938113.87798

Cube

Length = n
Surface area 2656093602444755046
Volume 2.9453586679581E+26
Space diagonal 1152409129.2689

Equilateral Triangle

Length = n
Perimeter 1996031163
Area 1.9168704454554E+17
Altitude 576204564.63447

Triangular Pyramid

Length = n
Surface area 1.9168704454554E+17
Volume 3.4711384785663E+25
Height 313646037.95933