66872945 (number)

66872945 is an odd 8-digits composite number following 66872944 and preceding 66872946. In scientific notation, it is written as 6.6872945 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 53498352 positive integers (up to 66872945) that are relatively prime to 66872945.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred seventy-two thousand nine hundred forty-five

Notation

Scientific notation 6.6872945 × 10^7
Engineering notation 6.6872945 × 10^6

Prime Factorization of 66872945

Prime Factorization 5 × 13374589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66872945
Product of the distinct prime numbers

The prime factorization of 66872945 is 5 × 13374589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66872945)

Multiplication

n×y
n×2 133745890
n×3 200618835
n×4 267491780
n×5 334364725

Division

n÷y
n÷2 33436472.5
n÷3 22290981.666667
n÷3 16718236.25
n÷5 13374589

Exponentiation

ny
n2 4471990772973025
n3 2.9905519300153E+23
n4 1.9998701473556E+31
n5 1.3373720637125E+39

Nth Root

y√n
2√n 8177.5879695666
3√n 405.89791127128
4√n 90.430016972057
5√n 36.732466389018

Divisors of 66872945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66872944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66872945 can be divided by 4 positive divisors. The sum of these divisors (counting 66872945) is 1, the average is 0.25.

Base conversion 66872945

Base System Value
2 Binary 11111111000110011001110001
3 Ternary 11122211111102202
4 Quaternary 3333012121301
5 Quinary 114104413240
6 Senary 10345152545
8 Octal 377063161
10 Decimal 66872945
12 Duodecimal 1a48b755
16 Hexadecimal 3fc6671
20 Vigesimal 10hj275
36 Base36 13tbht

Cryptographic Hash Functions

md5 59609fae4ad9955593d760c9330c3f2a
sha1 13372c197309a90e9543cc550e9fe09553538617
sha256 0fe6fc4a61af9b7787c4cfb71df161b754226666240e146760a1914631e75ae1
sha512 4c39ff0c105c9a29474e09fa1e44d4cf7a7f9874a6e98b6024844d8cc3d0bd4509190a02c837d890a988aec4476de4519fd75ead5003bee34664f6a87c8906cc
ripemd-160 e1bedae4ac06e924a9c336936e496aa7259d9632

66872945 as geometric shapes

Circle

Radius = n
Diameter 133745890
Circumference 420175105.47183
Area 1.4049173359293E+16

Sphere

Radius = n
Volume 1.2526794631353E+24
Surface area 5.6196693437174E+16
Circumference 420175105.47183

Square

Length = n
Perimeter 267491780
Area 4471990772973025
Diagonal 94572625.77483

Cube

Length = n
Surface area 26831944637838150
Volume 2.9905519300153E+23
Space diagonal 115827338.39176

Equilateral Triangle

Length = n
Perimeter 200618835
Area 1.9364288074421E+15
Altitude 57913669.19588

Triangular Pyramid

Length = n
Surface area 1.9364288074421E+15
Volume 3.5243992486739E+22
Height 31524208.59161