687789968 (number)

687789968 is an even 9-digits composite number following 687789967 and preceding 687789969. In scientific notation, it is written as 6.87789968 × 10^8. The sum of its digits is 68. It has a total of 6 prime factors and 20 positive divisors. There are 325795104 positive integers (up to 687789968) that are relatively prime to 687789968.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million seven hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 6.87789968 × 10^8
Engineering notation 6.87789968 × 10^6

Prime Factorization of 687789968

Prime Factorization 2 × 2 × 2 × 2 × 19 × 2262467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 85973746
Product of the distinct prime numbers

The prime factorization of 687789968 is 2 × 2 × 2 × 2 × 19 × 2262467. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 7, 27, 65, 685, 851, 5571, 1394, 51383, 58801, 843283, 965554, 4412623, 5984550, 85737639, 83703079, 728155475, 704655972, 4771880977, 9271296479

Basic calculations (n = 687789968)

Multiplication

n×y
n×2 1375579936
n×3 2063369904
n×4 2751159872
n×5 3438949840

Division

n÷y
n÷2 343894984
n÷3 229263322.66667
n÷3 171947492
n÷5 137557993.6

Exponentiation

ny
n2 473055040081441024
n3 3.2536251087985E+26
n4 2.2378107094645E+35
n5 1.5391437562527E+44

Nth Root

y√n
2√n 26225.750094135
3√n 882.71114979018
4√n 161.9436633343
5√n 58.545182938391

Divisors of 687789968

1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2262467, 4524934, 9049868, 18099736, 36199472, 42986873, 85973746, 171947492, 343894984, 687789968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -687789967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 687789968 can be divided by 20 positive divisors. The sum of these divisors (counting 687789968) is 1, the average is 0.05.

Base conversion 687789968

Base System Value
2 Binary 101000111111101101011110010000
3 Ternary 1202221012100110112
4 Quaternary 220333231132100
5 Quinary 2402033234333
6 Senary 152125420452
8 Octal 5077553620
10 Decimal 687789968
12 Duodecimal 17240a728
16 Hexadecimal 28fed790
20 Vigesimal aeidei8
36 Base36 bdhq4w

Cryptographic Hash Functions

md5 6f238fa1c982ff601c6eac204d7a6cb1
sha1 3117b5e6b5bbe9b140decf5da804a455c733d917
sha256 a3c6432fcb94c9172589101129f10c33076b72d45d82a8b2b4c016fab3402cc5
sha512 da82eeb750458e5fd3725b48c5391eec3f80ee0414a9ec2f8b7cdbb247df2c12f3176b26679c145e3ffd871d6fec6630ae9b2048e5c62c4446d0c6070fc0f7a0
ripemd-160 2e23dbc2329ea6687996838745649878db24a55e

687789968 as geometric shapes

Circle

Radius = n
Diameter 1375579936
Circumference 4321511821.3631
Area 1.4861462386635E+18

Sphere

Radius = n
Volume 1.3628752985782E+27
Surface area 5.9445849546539E+18
Circumference 4321511821.3631

Square

Length = n
Perimeter 2751159872
Area 473055040081441024
Diagonal 972681900.80976

Cube

Length = n
Surface area 2838330240488646144
Volume 3.2536251087985E+26
Space diagonal 1191287169.5122

Equilateral Triangle

Length = n
Perimeter 2063369904
Area 2.048388410494E+17
Altitude 595643584.75609

Triangular Pyramid

Length = n
Surface area 2.048388410494E+17
Volume 3.8344339631171E+25
Height 324227300.26992