687428 (number)

687428 is an even 6-digits composite number following 687427 and preceding 687429. In scientific notation, it is written as 6.87428 × 10^5. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 294600 positive integers (up to 687428) that are relatively prime to 687428.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven thousand four hundred twenty-eight

Notation

Scientific notation 6.87428 × 10^5
Engineering notation 6.87428 × 10^3

Prime Factorization of 687428

Prime Factorization 2 × 2 × 7 × 24551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 343714
Product of the distinct prime numbers

The prime factorization of 687428 is 2 × 2 × 7 × 24551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 687428)

Multiplication

n×y
n×2 1374856
n×3 2062284
n×4 2749712
n×5 3437140

Division

n÷y
n÷2 343714
n÷3 229142.66666667
n÷3 171857
n÷5 137485.6

Exponentiation

ny
n2 472557255184
n3 324849088816626752
n4 2.2331035942704E+23
n5 1.5350979376021E+29

Nth Root

y√n
2√n 829.11277881842
3√n 88.255627244315
4√n 28.794318516305
5√n 14.704336865733

Divisors of 687428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -687427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 687428 can be divided by 12 positive divisors. The sum of these divisors (counting 687428) is 1, the average is 0.083333333333333.

Base conversion 687428

Base System Value
2 Binary 10100111110101000100
3 Ternary 1021220222022
4 Quaternary 2213311010
5 Quinary 133444203
6 Senary 22422312
8 Octal 2476504
10 Decimal 687428
12 Duodecimal 291998
16 Hexadecimal a7d44
20 Vigesimal 45ib8
36 Base36 eqf8

Cryptographic Hash Functions

md5 bfcfeeba31d6c5cd993ea1ba259ecd98
sha1 221ac68bcc30316f3b659ce5e4c51890fd6d79a2
sha256 aeed2a63623476f92eca0b60d33a7f010355fd42681e1335a864e51a0b4617c6
sha512 f0e4adfc98f5fa148cf94b3caf13fa058101a2b7a412aa5da22b756a137af2eef5caaa1d5d44fa9ea4bb2ebca555784dc3004cdfc1e18273eefbf8734e3cc398
ripemd-160 c16aa70e57aefffd1eb579e85f38ce775e96b2d8

687428 as geometric shapes

Circle

Radius = n
Diameter 1374856
Circumference 4319237.5093438
Area 1484582401286.6

Sphere

Radius = n
Volume 1.3607246812689E+18
Surface area 5938329605146.4
Circumference 4319237.5093438

Square

Length = n
Perimeter 2749712
Area 472557255184
Diagonal 972170.00075501

Cube

Length = n
Surface area 2835343531104
Volume 324849088816626752
Space diagonal 1190660.2225455

Equilateral Triangle

Length = n
Perimeter 2062284
Area 204623293865.99
Altitude 595330.11127273

Triangular Pyramid

Length = n
Surface area 204623293865.99
Volume 3.8283832260751E+16
Height 324056.66691834