66402561 (number)

66402561 is an odd 8-digits composite number following 66402560 and preceding 66402562. In scientific notation, it is written as 6.6402561 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 41040384 positive integers (up to 66402561) that are relatively prime to 66402561.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred two thousand five hundred sixty-one

Notation

Scientific notation 6.6402561 × 10^7
Engineering notation 6.6402561 × 10^6

Prime Factorization of 66402561

Prime Factorization 3 × 17 × 67 × 19433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66402561
Product of the distinct prime numbers

The prime factorization of 66402561 is 3 × 17 × 67 × 19433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 16, 11, 457, 601, 2057, 6650, 88083, 78520, 491309, 236671, 6255604, 5251705, 45847399, 39259739, 584273047, 836156010, 8763586328, 6669186601

Basic calculations (n = 66402561)

Multiplication

n×y
n×2 132805122
n×3 199207683
n×4 265610244
n×5 332012805

Division

n÷y
n÷2 33201280.5
n÷3 22134187
n÷3 16600640.25
n÷5 13280512.2

Exponentiation

ny
n2 4409300107358721
n3 2.9278881934619E+23
n4 1.9441927436754E+31
n5 1.2909937725766E+39

Nth Root

y√n
2√n 8148.7766566522
3√n 404.94397639938
4√n 90.270574699911
5√n 36.680645177814

Divisors of 66402561

1, 3, 17, 51, 67, 201, 1139, 3417, 19433, 58299, 330361, 991083, 1302011, 3906033, 22134187, 66402561

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 -66402560
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 66402561 can be divided by 16 positive divisors. The sum of these divisors (counting 66402561) is 1, the average is 0.0625.

Base conversion 66402561

Base System Value
2 Binary 11111101010011100100000001
3 Ternary 11121221121012010
4 Quaternary 3331103210001
5 Quinary 113444340221
6 Senary 10331123133
8 Octal 375234401
10 Decimal 66402561
12 Duodecimal 1a2a34a9
16 Hexadecimal 3f53901
20 Vigesimal 10f0681
36 Base36 13j8jl

Cryptographic Hash Functions

md5 489419819947e89f92a13696d426861f
sha1 4f214ce7a1d7850ec46e4ae9dd983045e9336ab1
sha256 6993ecc0c51188853596a3ea19c725be6a2fc0e926d3057b89bb7385ab815b93
sha512 b07969f35caed152e84d2db84881baa7ee6e8acf7c8367b56f17166b8306f5024860be1bd48665c1768487d50751fe5ad64deee6c8fabb054bde127dfc0c7da8
ripemd-160 768356c2bee34ce6f355dfbffe55e55a619ec6c9

66402561 as geometric shapes

Circle

Radius = n
Diameter 132805122
Circumference 417219595.6343
Area 1.3852224824751E+16

Sphere

Radius = n
Volume 1.2264309385483E+24
Surface area 5.5408899299003E+16
Circumference 417219595.6343

Square

Length = n
Perimeter 265610244
Area 4409300107358721
Diagonal 93907402.342507

Cube

Length = n
Surface area 26455800644152326
Volume 2.9278881934619E+23
Space diagonal 115012609.40469

Equilateral Triangle

Length = n
Perimeter 199207683
Area 1.9092829529411E+15
Altitude 57506304.702346

Triangular Pyramid

Length = n
Surface area 1.9092829529411E+15
Volume 3.4505493269216E+22
Height 31302467.447502