686989 (number)

686989 is an odd 6-digits prime number following 686988 and preceding 686990. In scientific notation, it is written as 6.86989 × 10^5. The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors. There are 686988 positive integers (up to 686989) that are relatively prime to 686989.

Interesting facts

Basic properties

Name

Name six hundred eighty-six thousand nine hundred eighty-nine

Notation

Scientific notation 6.86989 × 10^5
Engineering notation 6.86989 × 10^3

Prime Factorization of 686989

Prime Factorization 686989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 686989
Product of the distinct prime numbers

The prime factorization of 686989 is 686989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 686989)

Multiplication

n×y
n×2 1373978
n×3 2060967
n×4 2747956
n×5 3434945

Division

n÷y
n÷2 343494.5
n÷3 228996.33333333
n÷3 171747.25
n÷5 137397.8

Exponentiation

ny
n2 471953886121
n3 324227128272379669
n4 2.2274047062471E+23
n5 1.53020253174E+29

Nth Root

y√n
2√n 828.84799571453
3√n 88.236836199628
4√n 28.789720313239
5√n 14.702458311625

Divisors of 686989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 686990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 343495
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 828.84859896123
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999970887495
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686989 can be divided by 2 positive divisors. The sum of these divisors (counting 686989) is 686990, the average is 343495.

Base conversion 686989

Base System Value
2 Binary 10100111101110001101
3 Ternary 1021220101001
4 Quaternary 2213232031
5 Quinary 133440424
6 Senary 22420301
8 Octal 2475615
10 Decimal 686989
12 Duodecimal 291691
16 Hexadecimal a7b8d
20 Vigesimal 45h99
36 Base36 eq31

Cryptographic Hash Functions

md5 441abdba1f231d400129a8a6ee131fd0
sha1 c52dee713982f96798af9a9d6bb23af9d54f4fa5
sha256 0f0b9efd3e1c4a6b39e1c4dedc46d9608d1bc0c86369b16d632b8dc26543542c
sha512 ead4cd73940e8f841f43e6f71a376a9b3f8c7f4b8a6a02d0b5a9cf7f345eff32c8f9fcc98b7f9c4b2e5f712f20e8d54e3909988d4247522fc4d87ef852fa61fa
ripemd-160 d8e1c7a04a5b173753a1dbcd2cbc1ab022835590

686989 as geometric shapes

Circle

Radius = n
Diameter 1373978
Circumference 4316479.190994
Area 1482686861470.9

Sphere

Radius = n
Volume 1.3581194190334E+18
Surface area 5930747445883.5
Circumference 4316479.190994

Square

Length = n
Perimeter 2747956
Area 471953886121
Diagonal 971549.16100113

Cube

Length = n
Surface area 2831723316726
Volume 324227128272379669
Space diagonal 1189899.8522409

Equilateral Triangle

Length = n
Perimeter 2060967
Area 204362027397.79
Altitude 594949.92612047

Triangular Pyramid

Length = n
Surface area 204362027397.79
Volume 3.8210533507673E+16
Height 323849.72033371