664742721 (number)

664742721 is an odd 9-digits composite number following 664742720 and preceding 664742722. In scientific notation, it is written as 6.64742721 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 395140608 positive integers (up to 664742721) that are relatively prime to 664742721.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million seven hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 6.64742721 × 10^8
Engineering notation 6.64742721 × 10^6

Prime Factorization of 664742721

Prime Factorization 3 × 19 × 17 × 686009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 664742721
Product of the distinct prime numbers

The prime factorization of 664742721 is 3 × 19 × 17 × 686009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 664742721)

Multiplication

n×y
n×2 1329485442
n×3 1994228163
n×4 2658970884
n×5 3323713605

Division

n÷y
n÷2 332371360.5
n÷3 221580907
n÷3 166185680.25
n÷5 132948544.2

Exponentiation

ny
n2 441882885122483841
n3 2.9373843141965E+26
n4 1.9526048416417E+35
n5 1.2979798554707E+44

Nth Root

y√n
2√n 25782.605008028
3√n 872.73929435875
4√n 160.56962666715
5√n 58.147455914336

Divisors of 664742721

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 -664742720
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 664742721 can be divided by 16 positive divisors. The sum of these divisors (counting 664742721) is 1, the average is 0.0625.

Base conversion 664742721

Base System Value
2 Binary 100111100111110010101101000001
3 Ternary 1201022211102120210
4 Quaternary 213213302231001
5 Quinary 2330133231341
6 Senary 145543424333
8 Octal 4747625501
10 Decimal 664742721
12 Duodecimal 1667550a9
16 Hexadecimal 279f2b41
20 Vigesimal a7ecgg1
36 Base36 azrqrl

Cryptographic Hash Functions

md5 b719e6500612653daf7d2354f63bb44c
sha1 00d2b9b2b85f5f79ea29070faf461316d18616b1
sha256 dc143ace247492e481016a430b87b1245ba335480b217b74acf88ab93a9f2b7e
sha512 a9b2fa9b28c79a3450d2ea15802c4c09a58da975d3d67c96c91f1acd19caf654ba1cd373cfe340e9e6195022d807a6733eda676d3989df6e74b7d130baf4dec0
ripemd-160 c3c2c44b000d382660b72b2d0573ade1db4a4b0c

664742721 as geometric shapes

Circle

Radius = n
Diameter 1329485442
Circumference 4176701697.6418
Area 1.3882160256479E+18

Sphere

Radius = n
Volume 1.2304086643E+27
Surface area 5.5528641025914E+18
Circumference 4176701697.6418

Square

Length = n
Perimeter 2658970884
Area 441882885122483841
Diagonal 940088171.52699

Cube

Length = n
Surface area 2651297310734903046
Volume 2.9373843141965E+26
Space diagonal 1151368166.7336

Equilateral Triangle

Length = n
Perimeter 1994228163
Area 1.9134090200682E+17
Altitude 575684083.36679

Triangular Pyramid

Length = n
Surface area 1.9134090200682E+17
Volume 3.4617406125322E+25
Height 313362723.84233