686990889 (number)

686990889 is an odd 9-digits composite number following 686990888 and preceding 686990890. In scientific notation, it is written as 6.86990889 × 10^8. The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors. There are 408131136 positive integers (up to 686990889) that are relatively prime to 686990889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.86990889 × 10^8
Engineering notation 6.86990889 × 10^6

Prime Factorization of 686990889

Prime Factorization 81 × 3 × 377 × 7499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 686990889
Product of the distinct prime numbers

The prime factorization of 686990889 is 81 × 3 × 377 × 7499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 686990889)

Multiplication

n×y
n×2 1373981778
n×3 2060972667
n×4 2747963556
n×5 3434954445

Division

n÷y
n÷2 343495444.5
n÷3 228996963
n÷3 171747722.25
n÷5 137398177.8

Exponentiation

ny
n2 471956481569010321
n3 3.2422980284241E+26
n4 2.22742920495E+35
n5 1.5302235696932E+44

Nth Root

y√n
2√n 26210.51104042
3√n 882.36917073913
4√n 161.89660601884
5√n 58.531572974785

Divisors of 686990889

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 -686990888
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 686990889 can be divided by 16 positive divisors. The sum of these divisors (counting 686990889) is 1, the average is 0.0625.

Base conversion 686990889

Base System Value
2 Binary 101000111100101010011000101001
3 Ternary 1202212200202100000
4 Quaternary 220330222120221
5 Quinary 2401332202024
6 Senary 152100333213
8 Octal 5074523051
10 Decimal 686990889
12 Duodecimal 1720a4209
16 Hexadecimal 28f2a629
20 Vigesimal aeddh49
36 Base36 bd0lk9

Cryptographic Hash Functions

md5 2202d2fff8035db2cce4ceb5aa4e7952
sha1 9a49f4d291a8580f3524d29592cf4e14af29aa7e
sha256 e6d54939c30a9f48c3f841300e02d90ea07c07dddcc0f41e1782b2f8b22521d7
sha512 e4d7e81884d9b053e3963091bf3def7dcce4ee9fe992f5537cecfcf168b362e00b8d4a76f3c10d283bb0fe8195ebf3c6dde7881cc544766721a9115c9061d6e0
ripemd-160 c5f8b82f676546df6367fa5d39f3813ce6132f73

686990889 as geometric shapes

Circle

Radius = n
Diameter 1373981778
Circumference 4316491059.931
Area 1.4826950153113E+18

Sphere

Radius = n
Volume 1.3581306222461E+27
Surface area 5.9307800612452E+18
Circumference 4316491059.931

Square

Length = n
Perimeter 2747963556
Area 471956481569010321
Diagonal 971551832.45055

Cube

Length = n
Surface area 2831738889414061926
Volume 3.2422980284241E+26
Space diagonal 1189903124.0849

Equilateral Triangle

Length = n
Perimeter 2060972667
Area 2.0436315125974E+17
Altitude 594951562.04246

Triangular Pyramid

Length = n
Surface area 2.0436315125974E+17
Volume 3.8210848708774E+25
Height 323850610.81685