42187745 is an odd 8-digits composite number following 42187744
and preceding 42187746 . In scientific notation, it is written as 4.2187745 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 32661360 positive integers (up to 42187745) that are relatively prime to 42187745.
42187745 has 8 divisors, whose sum is 52258560
The reverse of 42187745 is 54778124
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
forty-two million one hundred eighty-seven thousand seven hundred forty-five
Scientific notation
4.2187745 × 10^7
Engineering notation
4.2187745 × 10^6
Prime Factorization
5 × 31 × 272179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42187745
Product of the distinct prime numbers
The prime factorization of 42187745 is 5 × 31 × 272179.
Since it has a total of 3 prime factors.
5 , 10 , 16 , 79 , 731 , 505 , 5281 , 9605 , 70565 , 7608 , 357066 , 748797 , 8448009 , 4520531 , 52985617 , 23614878 , 344934058 , 588418041 , 727136700 , 2134015026
n×2
84375490
n×3
126563235
n×4
168750980
n×5
210938725
n÷2
21093872.5
n÷3
14062581.666667
n÷3
10546936.25
n÷5
8437549
n2
1779805828185025
n3
7.5085994428984E+22
n4
3.1677087860414E+30
n5
1.3363849049977E+38
2 √n
6495.2093884647
3 √n
348.11983640959
4 √n
80.592861895237
5 √n
33.499418041932
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
-42187744
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 42187745 can be divided by 8 positive divisors.
The sum of these divisors (counting 42187745) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000111011101111100001
3
Ternary
2221101100201002
4
Quaternary
2200323233201
5
Quinary
41300001440
6
Senary
4104121345
8
Octal
240735741
10
Decimal
42187745
12
Duodecimal
12166255
16
Hexadecimal
283bbe1
20
Vigesimal
d3d975
36
Base36
p489t
md5
117bd5562130d9a7487705083b7088c8
sha1
558ec0cdab59954304b300bae4f1a8392fbc56ee
sha256
38a6e3edfc612f5683909f4a24797a376cb3f11d6fe5a435ee8d9ff6547b3b1e
sha512
48e6d3d05fea1fe68661e544a85a611a749ffcdfc9ab2c004f64a5a8103cc0b26a0158c9999c415495174352b3af88d1cf0e2a1029b87d7928dd2a6a2bb1f8db
ripemd-160
75adef9654e03105e382c90aaec1e9c1770059c8
Diameter
84375490
Circumference
265073419.52704
Area
5.5914249146424E+15
Volume
3.1451947798077E+23
Surface area
2.2365699658569E+16
Circumference
265073419.52704
Perimeter
168750980
Area
1779805828185025
Diagonal
59662481.144938
Surface area
10678834969110150
Volume
7.5085994428984E+22
Space diagonal
73071317.79676
Perimeter
126563235
Area
7.7067853050592E+14
Altitude
36535658.89838
Surface area
7.7067853050592E+14
Volume
8.8489693054783E+21
Height
19887493.714979