66707921 (number)

66707921 is an odd 8-digits composite number following 66707920 and preceding 66707922. In scientific notation, it is written as 6.6707921 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 55848240 positive integers (up to 66707921) that are relatively prime to 66707921.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred seven thousand nine hundred twenty-one

Notation

Scientific notation 6.6707921 × 10^7
Engineering notation 6.6707921 × 10^6

Prime Factorization of 66707921

Prime Factorization 7 × 43 × 221621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66707921
Product of the distinct prime numbers

The prime factorization of 66707921 is 7 × 43 × 221621. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66707921)

Multiplication

n×y
n×2 133415842
n×3 200123763
n×4 266831684
n×5 333539605

Division

n÷y
n÷2 33353960.5
n÷3 22235973.666667
n÷3 16676980.25
n÷5 13341584.2

Exponentiation

ny
n2 4449946724142241
n3 2.9684669452829E+23
n4 1.9802025847704E+31
n5 1.3209519758886E+39

Nth Root

y√n
2√n 8167.4917202284
3√n 405.56375485463
4√n 90.374176180082
5√n 36.714319346478

Divisors of 66707921

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 -66707920
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 66707921 can be divided by 8 positive divisors. The sum of these divisors (counting 66707921) is 1, the average is 0.125.

Base conversion 66707921

Base System Value
2 Binary 11111110011110000111010001
3 Ternary 11122112010001202
4 Quaternary 3332132013101
5 Quinary 114034123141
6 Senary 10341440545
8 Octal 376360721
10 Decimal 66707921
12 Duodecimal 1a410155
16 Hexadecimal 3f9e1d1
20 Vigesimal 10gi9g1
36 Base36 13ps5t

Cryptographic Hash Functions

md5 d3ccdcbdee319a7d6f8037032968c077
sha1 6803c49d8051d8c30a4c37f6bcb5b62ef8a1fea8
sha256 b7be784f7087896858ab1df4e83391720fec037de45eec7e708f279e542df8f3
sha512 035c4d8c6505d1475a0dd8b55af5509ace56edaf055f34bf6e524c8cfc4f2d47d02ca9d9a511e18c802f0942a5e868c25dc0bbae7064597ad5d56bd006a336d0
ripemd-160 364060d24abe96988e3e2d1326ad92204243f365

66707921 as geometric shapes

Circle

Radius = n
Diameter 133415842
Circumference 419138229.0997
Area 1.3979919937431E+16

Sphere

Radius = n
Volume 1.2434285263633E+24
Surface area 5.5919679749725E+16
Circumference 419138229.0997

Square

Length = n
Perimeter 266831684
Area 4449946724142241
Diagonal 94339246.595913

Cube

Length = n
Surface area 26699680344853446
Volume 2.9684669452829E+23
Space diagonal 115541508.43929

Equilateral Triangle

Length = n
Perimeter 200123763
Area 1.9268834542973E+15
Altitude 57770754.219645

Triangular Pyramid

Length = n
Surface area 1.9268834542973E+15
Volume 3.4983718445628E+22
Height 31446415.531971