66406720 (number)

66406720 is an even 8-digits composite number following 66406719 and preceding 66406721. In scientific notation, it is written as 6.6406720 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors. There are 26562560 positive integers (up to 66406720) that are relatively prime to 66406720.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred six thousand seven hundred twenty

Notation

Scientific notation 6.6406720 × 10^7
Engineering notation 6.6406720 × 10^6

Prime Factorization of 66406720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 207521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2075210
Product of the distinct prime numbers

The prime factorization of 66406720 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 207521. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66406720)

Multiplication

n×y
n×2 132813440
n×3 199220160
n×4 265626880
n×5 332033600

Division

n÷y
n÷2 33203360
n÷3 22135573.333333
n÷3 16601680
n÷5 13281344

Exponentiation

ny
n2 4409852461158400
n3 2.9284383762946E+23
n4 1.9446798729185E+31
n5 1.2913981181053E+39

Nth Root

y√n
2√n 8149.0318443359
3√n 404.9524305253
4√n 90.271988148793
5√n 36.681104651

Divisors of 66406720

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66406719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66406720 can be divided by 28 positive divisors. The sum of these divisors (counting 66406720) is 1, the average is 0.035714285714286.

Base conversion 66406720

Base System Value
2 Binary 11111101010100100101000000
3 Ternary 11121221210220011
4 Quaternary 3331110211000
5 Quinary 114000003340
6 Senary 10331154304
8 Octal 375244500
10 Decimal 66406720
12 Duodecimal 1a2a5994
16 Hexadecimal 3f54940
20 Vigesimal 10f0gg0
36 Base36 13jbr4

Cryptographic Hash Functions

md5 5676c5116821edad065d405c7229aaf0
sha1 d90c8285701fefd9d02df4e66c2b8f7c766b3e23
sha256 44f0cd748483bf453238bf5b189b99d178f04930bb88068ce9fd941b281d0709
sha512 8a2fc9d17ec8aa5b8a116d8f3d884fe12b8f6f30b6dad4eb3c91a4d63b668371791b7c3f6e05f0648565bf705f2fce96090f793abafdc8cc01eea23a929f6935
ripemd-160 8bf942a30389621683dfe9147c3d19f345f76021

66406720 as geometric shapes

Circle

Radius = n
Diameter 132813440
Circumference 417245727.40199
Area 1.385396009539E+16

Sphere

Radius = n
Volume 1.2266613985943E+24
Surface area 5.541584038156E+16
Circumference 417245727.40199

Square

Length = n
Perimeter 265626880
Area 4409852461158400
Diagonal 93913284.056713

Cube

Length = n
Surface area 26459114766950400
Volume 2.9284383762946E+23
Space diagonal 115019813.004

Equilateral Triangle

Length = n
Perimeter 199220160
Area 1.9095221291523E+15
Altitude 57509906.502

Triangular Pyramid

Length = n
Surface area 1.9095221291523E+15
Volume 3.451197723608E+22
Height 31304428.018904