66872561 (number)

66872561 is an odd 8-digits composite number following 66872560 and preceding 66872562. In scientific notation, it is written as 6.6872561 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 57280608 positive integers (up to 66872561) that are relatively prime to 66872561.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred seventy-two thousand five hundred sixty-one

Notation

Scientific notation 6.6872561 × 10^7
Engineering notation 6.6872561 × 10^6

Prime Factorization of 66872561

Prime Factorization 7 × 2297 × 4159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66872561
Product of the distinct prime numbers

The prime factorization of 66872561 is 7 × 2297 × 4159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66872561)

Multiplication

n×y
n×2 133745122
n×3 200617683
n×4 267490244
n×5 334362805

Division

n÷y
n÷2 33436280.5
n÷3 22290853.666667
n÷3 16718140.25
n÷5 13374512.2

Exponentiation

ny
n2 4471939414698721
n3 2.9905004129774E+23
n4 1.9998242128736E+31
n5 1.3373336666467E+39

Nth Root

y√n
2√n 8177.5644907271
3√n 405.89713434973
4√n 90.429887154232
5√n 36.732424203648

Divisors of 66872561

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 -66872560
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 66872561 can be divided by 8 positive divisors. The sum of these divisors (counting 66872561) is 1, the average is 0.125.

Base conversion 66872561

Base System Value
2 Binary 11111111000110010011110001
3 Ternary 11122211110220112
4 Quaternary 3333012103301
5 Quinary 114104410221
6 Senary 10345151105
8 Octal 377062361
10 Decimal 66872561
12 Duodecimal 1a48b495
16 Hexadecimal 3fc64f1
20 Vigesimal 10hj181
36 Base36 13tb75

Cryptographic Hash Functions

md5 efc7aa2b713a17b5f2fadcf68da671ac
sha1 42afc920af1fe4096e99cd4685ea656b9260cc07
sha256 31082736732d78fe857eb60ddccedfb92dc746328ea3ad137b9b5116283fa4d1
sha512 88236e4e6a013007a9a322be669ed8328391792314a4d1560721c6c8e126a3397b600ead2c59dd5707e1ba0a56b91fac7e709fd5f70162304c4064550b2d4e37
ripemd-160 3e3ade6a8c17490266a3154b99a0c6b6a317b9a1

66872561 as geometric shapes

Circle

Radius = n
Diameter 133745122
Circumference 420172692.72867
Area 1.4049012012516E+16

Sphere

Radius = n
Volume 1.252657883729E+24
Surface area 5.6196048050065E+16
Circumference 420172692.72867

Square

Length = n
Perimeter 267490244
Area 4471939414698721
Diagonal 94572082.716822

Cube

Length = n
Surface area 26831636488192326
Volume 2.9905004129774E+23
Space diagonal 115826673.28425

Equilateral Triangle

Length = n
Perimeter 200617683
Area 1.936406568657E+15
Altitude 57913336.642125

Triangular Pyramid

Length = n
Surface area 1.936406568657E+15
Volume 3.5243385352625E+22
Height 31524027.572274