686987385 (number)

686987385 is an odd 9-digits composite number following 686987384 and preceding 686987386. In scientific notation, it is written as 6.86987385 × 10^8. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 314051328 positive integers (up to 686987385) that are relatively prime to 686987385.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred eighty-seven thousand three hundred eighty-five

Notation

Scientific notation 6.86987385 × 10^8
Engineering notation 6.86987385 × 10^6

Prime Factorization of 686987385

Prime Factorization 35 × 3 × 6542737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 686987385
Product of the distinct prime numbers

The prime factorization of 686987385 is 35 × 3 × 6542737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 70, 1, 442, 976, 4174, 5326, 42618, 4356, 956737, 959311, 8672379, 1071666, 89144294, 1764679, 922405094, 13929558, 472848930, 9880137643

Basic calculations (n = 686987385)

Multiplication

n×y
n×2 1373974770
n×3 2060962155
n×4 2747949540
n×5 3434936925

Division

n÷y
n÷2 343493692.5
n÷3 228995795
n÷3 171746846.25
n÷5 137397477

Exponentiation

ny
n2 471951667149138225
n3 3.2422484166118E+26
n4 2.2273837612485E+35
n5 1.5301845455316E+44

Nth Root

y√n
2√n 26210.444196923
3√n 882.36767056065
4√n 161.89639957986
5√n 58.531513266555

Divisors of 686987385

1, 3, 35, 105, 6542737, 19628211, 228995795, 686987385

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 -686987384
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 686987385 can be divided by 8 positive divisors. The sum of these divisors (counting 686987385) is 1, the average is 0.125.

Base conversion 686987385

Base System Value
2 Binary 101000111100101001100001111001
3 Ternary 1202212200120112020
4 Quaternary 220330221201321
5 Quinary 2401332044020
6 Senary 152100305053
8 Octal 5074514171
10 Decimal 686987385
12 Duodecimal 1720a2189
16 Hexadecimal 28f29879
20 Vigesimal aedd895
36 Base36 bd0iux

Cryptographic Hash Functions

md5 6f55353d00d1858ae19442fbc5c7432c
sha1 e5b8930b55966ee9da142d95eac3fa528be21fe7
sha256 8106a60af15501ad6c11a4b209bb77ff3565287ecdbd590bd310478d7e6469ce
sha512 1ebf62c3093ab1b1e27f0c645ff3680279c4aaba47d031c06a054067485c43eaaae994688a143fabbdb58d3c47746e9447418f91ef1c689db7a6180c04feda3f
ripemd-160 d75e7ba0fc28ecc88a687c7be5a581b111fa979f

686987385 as geometric shapes

Circle

Radius = n
Diameter 1373974770
Circumference 4316469043.6497
Area 1.4826798903652E+18

Sphere

Radius = n
Volume 1.3581098408988E+27
Surface area 5.9307195614608E+18
Circumference 4316469043.6497

Square

Length = n
Perimeter 2747949540
Area 471951667149138225
Diagonal 971546877.04623

Cube

Length = n
Surface area 2831710002894829350
Volume 3.2422484166118E+26
Space diagonal 1189897054.9789

Equilateral Triangle

Length = n
Perimeter 2060962155
Area 2.0436106655479E+17
Altitude 594948527.48944

Triangular Pyramid

Length = n
Surface area 2.0436106655479E+17
Volume 3.8210264027959E+25
Height 323848959.01541