686991085 (number)

686991085 is an odd 9-digits composite number following 686991084 and preceding 686991086. In scientific notation, it is written as 6.86991085 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 499629840 positive integers (up to 686991085) that are relatively prime to 686991085.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred ninety-one thousand eighty-five

Notation

Scientific notation 6.86991085 × 10^8
Engineering notation 6.86991085 × 10^6

Prime Factorization of 686991085

Prime Factorization 5 × 11 × 12490747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 686991085
Product of the distinct prime numbers

The prime factorization of 686991085 is 5 × 11 × 12490747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 20, 12, 670, 427, 3975, 4217, 57307, 24527, 902591, 91533, 9448308, 6862178, 4221083, 60903175, 49586188, 413724640, 8066162076, 9389983510

Basic calculations (n = 686991085)

Multiplication

n×y
n×2 1373982170
n×3 2060973255
n×4 2747964340
n×5 3434955425

Division

n÷y
n÷2 343495542.5
n÷3 228997028.33333
n÷3 171747771.25
n÷5 137398217

Exponentiation

ny
n2 471956750869477225
n3 3.242300803529E+26
n4 2.2274317469127E+35
n5 1.530225752575E+44

Nth Root

y√n
2√n 26210.514779378
3√n 882.36925465307
4√n 161.89661756621
5√n 58.531576314622

Divisors of 686991085

1, 5, 11, 55, 12490747, 62453735, 137398217, 686991085

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 -686991084
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 686991085 can be divided by 8 positive divisors. The sum of these divisors (counting 686991085) is 1, the average is 0.125.

Base conversion 686991085

Base System Value
2 Binary 101000111100101010011011101101
3 Ternary 1202212200202121021
4 Quaternary 220330222123231
5 Quinary 2401332203320
6 Senary 152100334141
8 Octal 5074523355
10 Decimal 686991085
12 Duodecimal 1720a4351
16 Hexadecimal 28f2a6ed
20 Vigesimal aeddhe5
36 Base36 bd0lpp

Cryptographic Hash Functions

md5 d02cfe322db89a1e21ffb1a828a3a050
sha1 e05c08d4df16f183409c7134367192160ab13038
sha256 af8e7f89d6b293f14b8db93badbd5d14dc0a9dafd8b8128e40757396180918c2
sha512 80b1faeb22e40d03b5eae029df6ee12e3ad02aeb29f70c31201c6c1de109d6de0e913002ec880ca1f0d2eb134ea26551605a61219b55c9ec1d6c4658abd1f473
ripemd-160 dde2e83bf2a39d42b76390f0730f8813d657ccf1

686991085 as geometric shapes

Circle

Radius = n
Diameter 1373982170
Circumference 4316492291.4354
Area 1.4826958613437E+18

Sphere

Radius = n
Volume 1.3581317846793E+27
Surface area 5.9307834453746E+18
Circumference 4316492291.4354

Square

Length = n
Perimeter 2747964340
Area 471956750869477225
Diagonal 971552109.63641

Cube

Length = n
Surface area 2831740505216863350
Volume 3.242300803529E+26
Space diagonal 1189903463.5669

Equilateral Triangle

Length = n
Perimeter 2060973255
Area 2.0436326787027E+17
Altitude 594951731.78343

Triangular Pyramid

Length = n
Surface area 2.0436326787027E+17
Volume 3.8210881413699E+25
Height 323850703.21214