646979668 (number)

646979668 is an even 9-digits composite number following 646979667 and preceding 646979669. In scientific notation, it is written as 6.46979668 × 10^8. The sum of its digits is 61. It has a total of 4 prime factors and 12 positive divisors. There are 320348952 positive integers (up to 646979668) that are relatively prime to 646979668.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.46979668 × 10^8
Engineering notation 6.46979668 × 10^6

Prime Factorization of 646979668

Prime Factorization 2 × 2 × 103 × 1570339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 323489834
Product of the distinct prime numbers

The prime factorization of 646979668 is 2 × 2 × 103 × 1570339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 70, 70, 848, 500, 5135, 8791, 8615, 366, 274140, 757458, 7899989, 380824, 64392759, 71058243, 778231995, 576398597, 8353701783, 3415631913

Basic calculations (n = 646979668)

Multiplication

n×y
n×2 1293959336
n×3 1940939004
n×4 2587918672
n×5 3234898340

Division

n÷y
n÷2 323489834
n÷3 215659889.33333
n÷3 161744917
n÷5 129395933.6

Exponentiation

ny
n2 418582690805390224
n3 2.7081449032782E+26
n4 1.7521146904188E+35
n5 1.1335825807051E+44

Nth Root

y√n
2√n 25435.795014113
3√n 864.89531427145
4√n 159.48603391555
5√n 57.83332030162

Divisors of 646979668

1, 2, 4, 103, 206, 412, 1570339, 3140678, 6281356, 161744917, 323489834, 646979668

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -646979667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 646979668 can be divided by 12 positive divisors. The sum of these divisors (counting 646979668) is 1, the average is 0.083333333333333.

Base conversion 646979668

Base System Value
2 Binary 100110100100000010000001010100
3 Ternary 1200002101222020221
4 Quaternary 212210002001110
5 Quinary 2311111322133
6 Senary 144111004124
8 Octal 4644020124
10 Decimal 646979668
12 Duodecimal 160809644
16 Hexadecimal 26902054
20 Vigesimal a23c938
36 Base36 ap70pg

Cryptographic Hash Functions

md5 bb132fbb7db09e63df966251dde0b9ff
sha1 ba600cf3eb4c633acabd73ab5ef80ffdd459aced
sha256 dbaa7d8caeb542369b7c37281bec565c21d8bc3893e17ad85450b0b1899d10cf
sha512 57caa7b9884f0e929126645213328cda18e7906b9bea900c567e177466e2f49efd3fc605581104d8aeb269abb416c7296f29e99bbd6ccfa40ffbe3444b9aa04d
ripemd-160 e63cd88b6b489261815d2bc07fed873586a8a860

646979668 as geometric shapes

Circle

Radius = n
Diameter 1293959336
Circumference 4065093144.0215
Area 1.3150163063541E+18

Sphere

Radius = n
Volume 1.1343850843994E+27
Surface area 5.2600652254162E+18
Circumference 4065093144.0215

Square

Length = n
Perimeter 2587918672
Area 418582690805390224
Diagonal 914967421.06524

Cube

Length = n
Surface area 2511496144832341344
Volume 2.7081449032782E+26
Space diagonal 1120601656.44

Equilateral Triangle

Length = n
Perimeter 1940939004
Area 1.8125162191096E+17
Altitude 560300828.22002

Triangular Pyramid

Length = n
Surface area 1.8125162191096E+17
Volume 3.1915793759063E+25
Height 304989140.35508