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.
642738 has 8 divisors, whose sum is 1285488
The reverse of 642738 is 837246
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 30
Digital Root 3
Name
six hundred forty-two thousand seven hundred thirty-eight
Scientific notation
6.42738 × 10^5
Engineering notation
6.42738 × 10^3
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.
8 , 1 , 50 , 69 , 841 , 784 , 7505 , 7660 , 48288 , 8757 , 268649 , 372778 , 8552976 , 1080975 , 81734285 , 12433753 , 312459597 , 400113813 , 5425776851 , 4651790583
n×2
1285476
n×3
1928214
n×4
2570952
n×5
3213690
n÷2
321369
n÷3
214246
n÷3
160684.5
n÷5
128547.6
n2
413112136644
n3
265522868482291272
n4
1.7066163744257E+23
n5
1.0969071952656E+29
2 √n
801.7094236692
3 √n
86.300105312167
4 √n
28.31447374876
5 √n
14.507974895588
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
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
md5
12582817c90fcddc5cae515153d91399
sha1
e77c24ae4a82f95818d1e79cbac5dd61d7ce868c
sha256
b9bfea7689d719680246a4e457dae02fb31c00864c36b0bd21b43e379a10b1f7
sha512
47c9c84ff2afa10c1fe2432c15a7384c95b32c02dcc71c3b37264ac56a34b780f72fdd04cfcb3427813fc359d0392d9a3876d7fd16f24c80435dc86c703b7877
ripemd-160
1dba693a6b1894596be5ef2ed26c5f4c4e1b402b
Diameter
1285476
Circumference
4038441.957966
Area
1297830053589.6
Volume
1.1122195906454E+18
Surface area
5191320214358.3
Circumference
4038441.957966
Perimeter
2570952
Area
413112136644
Diagonal
908968.79665256
Surface area
2478672819864
Volume
265522868482291272
Space diagonal
1113254.8719552
Perimeter
1928214
Area
178882802472.69
Altitude
556627.4359776
Surface area
178882802472.69
Volume
3.1292170143989E+16
Height
302989.59888419