686990538 (number)

686990538 is an even 9-digits composite number following 686990537 and preceding 686990539. In scientific notation, it is written as 6.86990538 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 211381488 positive integers (up to 686990538) that are relatively prime to 686990538.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred ninety thousand five hundred thirty-eight

Notation

Scientific notation 6.86990538 × 10^8
Engineering notation 6.86990538 × 10^6

Prime Factorization of 686990538

Prime Factorization 2 × 117 × 3 × 978619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 686990538
Product of the distinct prime numbers

The prime factorization of 686990538 is 2 × 117 × 3 × 978619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 29, 67, 505, 213, 6305, 1017, 13733, 76027, 175008, 812638, 8170317, 271118, 19672573, 85466932, 637418677, 739595802, 6068400303, 375763784

Basic calculations (n = 686990538)

Multiplication

n×y
n×2 1373981076
n×3 2060971614
n×4 2747962152
n×5 3434952690

Division

n÷y
n÷2 343495269
n÷3 228996846
n÷3 171747634.5
n÷5 137398107.6

Exponentiation

ny
n2 471955999301529444
n3 3.2422930587249E+26
n4 2.2274246527671E+35
n5 1.5302196605589E+44

Nth Root

y√n
2√n 26210.504344633
3√n 882.36902046463
4√n 161.89658533963
5√n 58.531566993749

Divisors of 686990538

1, 2, 3, 6, 117, 234, 351, 702, 978619, 1957238, 2935857, 5871714, 114498423, 228996846, 343495269, 686990538

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686990537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686990538 can be divided by 16 positive divisors. The sum of these divisors (counting 686990538) is 1, the average is 0.0625.

Base conversion 686990538

Base System Value
2 Binary 101000111100101010010011001010
3 Ternary 1202212200201212000
4 Quaternary 220330222103022
5 Quinary 2401332144123
6 Senary 152100331430
8 Octal 5074522312
10 Decimal 686990538
12 Duodecimal 1720a3b76
16 Hexadecimal 28f2a4ca
20 Vigesimal aeddg6i
36 Base36 bd0lai

Cryptographic Hash Functions

md5 0775ae8c8d433a8b06334a48017a030f
sha1 fa83eb69d094348b36666b70a7c464b9a312ea06
sha256 4fd94f776e11ac915d72258469390ad3284e063b95f38439ad29ff6383f04b0a
sha512 a95bd26be09c4b4880ec5b427ae50ac81834cbe7287f5989d74a65d8d69f7779b971710039b6825ef65a6faa346209a2189870a1e320b0bc552d8a954018d803
ripemd-160 c07a44454e0a5e0ca817c2357ab95982cfc5a4e6

686990538 as geometric shapes

Circle

Radius = n
Diameter 1373981076
Circumference 4316488854.533
Area 1.4826935002233E+18

Sphere

Radius = n
Volume 1.3581285405434E+27
Surface area 5.9307740008933E+18
Circumference 4316488854.533

Square

Length = n
Perimeter 2747962152
Area 471955999301529444
Diagonal 971551336.06159

Cube

Length = n
Surface area 2831735995809176664
Volume 3.2422930587249E+26
Space diagonal 1189902516.1351

Equilateral Triangle

Length = n
Perimeter 2060971614
Area 2.043629424318E+17
Altitude 594951258.06754

Triangular Pyramid

Length = n
Surface area 2.043629424318E+17
Volume 3.8210790140307E+25
Height 323850445.35386