668742720 (number)

668742720 is an even 9-digits composite number following 668742719 and preceding 668742721. In scientific notation, it is written as 6.68742720 × 10^8. The sum of its digits is 42. It has a total of 9 prime factors and 56 positive divisors. There are 178331136 positive integers (up to 668742720) that are relatively prime to 668742720.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred forty-two thousand seven hundred twenty

Notation

Scientific notation 6.68742720 × 10^8
Engineering notation 6.68742720 × 10^6

Prime Factorization of 668742720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 696607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 20898210
Product of the distinct prime numbers

The prime factorization of 668742720 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 696607. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668742720)

Multiplication

n×y
n×2 1337485440
n×3 2006228160
n×4 2674970880
n×5 3343713600

Division

n÷y
n÷2 334371360
n÷3 222914240
n÷3 167185680
n÷5 133748544

Exponentiation

ny
n2 447216825552998400
n3 2.9907299635008E+26
n4 2.000028890577E+35
n5 1.3375047603631E+44

Nth Root

y√n
2√n 25860.060324756
3√n 874.48632489687
4√n 160.81063498648
5√n 58.217266967547

Divisors of 668742720

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668742719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668742720 can be divided by 56 positive divisors. The sum of these divisors (counting 668742720) is 1, the average is 0.017857142857143.

Base conversion 668742720

Base System Value
2 Binary 100111110111000011010001000000
3 Ternary 1201121100122112220
4 Quaternary 213313003101000
5 Quinary 2332144231340
6 Senary 150205251040
8 Octal 4767032100
10 Decimal 668742720
12 Duodecimal 167b63a80
16 Hexadecimal 27dc3440
20 Vigesimal a8jcgg0
36 Base36 b25h6o

Cryptographic Hash Functions

md5 e359135f1abee4fda757987b3863209c
sha1 1a3a3e1617843cc629f630c379509d18aad01bd1
sha256 baf8c71fea66617a01f6db4f9c261e3dda0147234af634f37bf213db0940de22
sha512 a8d8df908885f4b8a34e505a3aef4da1e17eb9dadfe0a246c0f9464251ecead59fc0d4d0bf80e71f2b48547c03073225a5573601bee91e1774709d589bdca807
ripemd-160 b43de54852f65ba0d12ecbf86cbed09e31482b37

668742720 as geometric shapes

Circle

Radius = n
Diameter 1337485440
Circumference 4201834432.5873
Area 1.404973093719E+18

Sphere

Radius = n
Volume 1.2527540376273E+27
Surface area 5.6198923748762E+18
Circumference 4201834432.5873

Square

Length = n
Perimeter 2674970880
Area 447216825552998400
Diagonal 945745024.36227

Cube

Length = n
Surface area 2683300953317990400
Volume 2.9907299635008E+26
Space diagonal 1158296368.2318

Equilateral Triangle

Length = n
Perimeter 2006228160
Area 1.9365056596437E+17
Altitude 579148184.1159

Triangular Pyramid

Length = n
Surface area 1.9365056596437E+17
Volume 3.5246090631487E+25
Height 315248341.45409