686393945 (number)

686393945 is an odd 9-digits composite number following 686393944 and preceding 686393946. In scientific notation, it is written as 6.86393945 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 525240496 positive integers (up to 686393945) that are relatively prime to 686393945.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million three hundred ninety-three thousand nine hundred forty-five

Notation

Scientific notation 6.86393945 × 10^8
Engineering notation 6.86393945 × 10^6

Prime Factorization of 686393945

Prime Factorization 5 × 23 × 5968643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 686393945
Product of the distinct prime numbers

The prime factorization of 686393945 is 5 × 23 × 5968643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 100, 9, 210, 568, 7562, 6563, 16479, 94824, 770335, 476352, 2130194, 6423567, 92296061, 96561297, 852314459, 982305350, 3412135727, 887692230

Basic calculations (n = 686393945)

Multiplication

n×y
n×2 1372787890
n×3 2059181835
n×4 2745575780
n×5 3431969725

Division

n÷y
n÷2 343196972.5
n÷3 228797981.66667
n÷3 171598486.25
n÷5 137278789

Exponentiation

ny
n2 471136647732663025
n3 3.233853422713E+26
n4 2.2196974083677E+35
n5 1.5235868608358E+44

Nth Root

y√n
2√n 26199.121073044
3√n 882.11352561292
4√n 161.86142552518
5√n 58.521397520548

Divisors of 686393945

1, 5, 23, 115, 5968643, 29843215, 137278789, 686393945

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 -686393944
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 686393945 can be divided by 8 positive divisors. The sum of these divisors (counting 686393945) is 1, the average is 0.125.

Base conversion 686393945

Base System Value
2 Binary 101000111010011000101001011001
3 Ternary 1202211120102110222
4 Quaternary 220322120221121
5 Quinary 2401204101240
6 Senary 152035445425
8 Octal 5072305131
10 Decimal 686393945
12 Duodecimal 171a56875
16 Hexadecimal 28e98a59
20 Vigesimal ae9j4h5
36 Base36 bcnsyh

Cryptographic Hash Functions

md5 9fa549121f169e2e5ca71ca4fd8d2afe
sha1 25afad44df4f75b32c32b4903c40206779713796
sha256 b70ebcd146e058fd07c61c9e8098536fda49cfad0af42a17cfe09723be482a84
sha512 a6e8004939eb7a7d9d396d039fa20b249d4aa91cf25913b005155c6058414e935da24426c60ccfe5efdea89746f3b497bc5d7d69880b19308499ad6585c053f2
ripemd-160 9f9779014f392984a8b768965176716ec6fcea3e

686393945 as geometric shapes

Circle

Radius = n
Diameter 1372787890
Circumference 4312740350.161
Area 1.4801194313539E+18

Sphere

Radius = n
Volume 1.3545933540775E+27
Surface area 5.9204777254154E+18
Circumference 4312740350.161

Square

Length = n
Perimeter 2745575780
Area 471136647732663025
Diagonal 970707626.14977

Cube

Length = n
Surface area 2826819886395978150
Volume 3.233853422713E+26
Space diagonal 1188869186.7476

Equilateral Triangle

Length = n
Perimeter 2059181835
Area 2.0400815279516E+17
Altitude 594434593.37382

Triangular Pyramid

Length = n
Surface area 2.0400815279516E+17
Volume 3.8111328076061E+25
Height 323569208.71659