642738 (number)

642738 is an even 6-digits composite number following 642737 and preceding 642739. In scientific notation, it is written as 6.42738 × 10^5. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 214244 positive integers (up to 642738) that are relatively prime to 642738.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand seven hundred thirty-eight

Notation

Scientific notation 6.42738 × 10^5
Engineering notation 6.42738 × 10^3

Prime Factorization of 642738

Prime Factorization 2 × 3 × 107123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642738
Product of the distinct prime numbers

The prime factorization of 642738 is 2 × 3 × 107123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642738)

Multiplication

n×y
n×2 1285476
n×3 1928214
n×4 2570952
n×5 3213690

Division

n÷y
n÷2 321369
n÷3 214246
n÷3 160684.5
n÷5 128547.6

Exponentiation

ny
n2 413112136644
n3 265522868482291272
n4 1.7066163744257E+23
n5 1.0969071952656E+29

Nth Root

y√n
2√n 801.7094236692
3√n 86.300105312167
4√n 28.31447374876
5√n 14.507974895588

Divisors of 642738

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 -642737
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 642738 can be divided by 8 positive divisors. The sum of these divisors (counting 642738) is 1, the average is 0.125.

Base conversion 642738

Base System Value
2 Binary 10011100111010110010
3 Ternary 1012122200010
4 Quaternary 2130322302
5 Quinary 131031423
6 Senary 21435350
8 Octal 2347262
10 Decimal 642738
12 Duodecimal 26bb56
16 Hexadecimal 9ceb2
20 Vigesimal 406gi
36 Base36 drxu

Cryptographic Hash Functions

md5 12582817c90fcddc5cae515153d91399
sha1 e77c24ae4a82f95818d1e79cbac5dd61d7ce868c
sha256 b9bfea7689d719680246a4e457dae02fb31c00864c36b0bd21b43e379a10b1f7
sha512 47c9c84ff2afa10c1fe2432c15a7384c95b32c02dcc71c3b37264ac56a34b780f72fdd04cfcb3427813fc359d0392d9a3876d7fd16f24c80435dc86c703b7877
ripemd-160 1dba693a6b1894596be5ef2ed26c5f4c4e1b402b

642738 as geometric shapes

Circle

Radius = n
Diameter 1285476
Circumference 4038441.957966
Area 1297830053589.6

Sphere

Radius = n
Volume 1.1122195906454E+18
Surface area 5191320214358.3
Circumference 4038441.957966

Square

Length = n
Perimeter 2570952
Area 413112136644
Diagonal 908968.79665256

Cube

Length = n
Surface area 2478672819864
Volume 265522868482291272
Space diagonal 1113254.8719552

Equilateral Triangle

Length = n
Perimeter 1928214
Area 178882802472.69
Altitude 556627.4359776

Triangular Pyramid

Length = n
Surface area 178882802472.69
Volume 3.1292170143989E+16
Height 302989.59888419