66442905 (number)

66442905 is an odd 8-digits composite number following 66442904 and preceding 66442906. In scientific notation, it is written as 6.6442905 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 33570720 positive integers (up to 66442905) that are relatively prime to 66442905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6442905 × 10^7
Engineering notation 6.6442905 × 10^6

Prime Factorization of 66442905

Prime Factorization 3 × 15 × 19 × 77711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66442905
Product of the distinct prime numbers

The prime factorization of 66442905 is 3 × 15 × 19 × 77711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66442905)

Multiplication

n×y
n×2 132885810
n×3 199328715
n×4 265771620
n×5 332214525

Division

n÷y
n÷2 33221452.5
n÷3 22147635
n÷3 16610726.25
n÷5 13288581

Exponentiation

ny
n2 4414659624839025
n3 2.9332281006051E+23
n4 1.9489219603184E+31
n5 1.2949203666185E+39

Nth Root

y√n
2√n 8151.2517443642
3√n 405.02596998534
4√n 90.284282930996
5√n 36.685101284374

Divisors of 66442905

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 -66442904
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 66442905 can be divided by 16 positive divisors. The sum of these divisors (counting 66442905) is 1, the average is 0.0625.

Base conversion 66442905

Base System Value
2 Binary 11111101011101011010011001
3 Ternary 11122000122112100
4 Quaternary 3331131122121
5 Quinary 114002133110
6 Senary 10332034013
8 Octal 375353231
10 Decimal 66442905
12 Duodecimal 1a302909
16 Hexadecimal 3f5d699
20 Vigesimal 10f5755
36 Base36 13k3o9

Cryptographic Hash Functions

md5 8b32639ba8246184ba6267a40eae0c69
sha1 2666fa3ca494c4354c4094d886371ebaff9dae66
sha256 1f31faa6cc843c139dac0eac60f2dd85780386407ce9a1ff87151fc76884129e
sha512 3172d49f9f493d6ab2c9db20335171439902c3bcb76b817e0e96b5ae6692ff1b53d13c5aa829ab21b6e01dfcc823c4eefe34ba03ebd3eb25dcd36fb8b3871f35
ripemd-160 8f277e0fade60f73b5554b4f17cf1379c14d1c59

66442905 as geometric shapes

Circle

Radius = n
Diameter 132885810
Circumference 417473084.46233
Area 1.3869062245494E+16

Sphere

Radius = n
Volume 1.2286677136219E+24
Surface area 5.5476248981975E+16
Circumference 417473084.46233

Square

Length = n
Perimeter 265771620
Area 4414659624839025
Diagonal 93964457.374467

Cube

Length = n
Surface area 26487957749034150
Volume 2.9332281006051E+23
Space diagonal 115082487.26247

Equilateral Triangle

Length = n
Perimeter 199328715
Area 1.911603692086E+15
Altitude 57541243.631236

Triangular Pyramid

Length = n
Surface area 1.911603692086E+15
Volume 3.4568424678414E+22
Height 31321485.791489