42640945 is an odd 8-digits composite number following 42640944
and preceding 42640946 . In scientific notation, it is written as 4.2640945 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 33609024 positive integers (up to 42640945) that are relatively prime to 42640945.
42640945 has 16 divisors, whose sum is 51932160
The reverse of 42640945 is 54904624
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
forty-two million six hundred forty thousand nine hundred forty-five
Scientific notation
4.2640945 × 10^7
Engineering notation
4.2640945 × 10^6
Prime Factorization
5 × 223 × 167 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42640945
Product of the distinct prime numbers
The prime factorization of 42640945 is 5 × 223 × 167 × 229.
Since it has a total of 4 prime factors.
4 , 5 , 19 , 48 , 229 , 953 , 1611 , 5175 , 11249 , 80040 , 664978 , 914826 , 7275423 , 4996060 , 2876635 , 57109261 , 163980390 , 282988237 , 8965883230 , 8534505548
n×2
85281890
n×3
127922835
n×4
170563780
n×5
213204725
n÷2
21320472.5
n÷3
14213648.333333
n÷3
10660236.25
n÷5
8528189
n2
1818250190493025
n3
7.7531906369053E+22
n4
3.3060337552279E+30
n5
1.4097240352482E+38
2 √n
6530.0034456346
3 √n
349.36195319958
4 √n
80.808436723121
5 √n
33.571083958595
1 , 5 , 167 , 223 , 229 , 835 , 1115 , 1145 , 37241 , 38243 , 51067 , 186205 , 191215 , 255335 , 8528189 , 42640945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42640944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42640945 can be divided by 16 positive divisors.
The sum of these divisors (counting 42640945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100010101010011000110001
3
Ternary
2222020101101021
4
Quaternary
2202222120301
5
Quinary
41404002240
6
Senary
4121535441
8
Octal
242523061
10
Decimal
42640945
12
Duodecimal
12344581
16
Hexadecimal
28aa631
20
Vigesimal
d6a275
36
Base36
pdxyp
md5
be4eb6bc47239a905a1f4423d02dfb2d
sha1
0daa7fce62eacbdf2d117a2a89e133767ba6287e
sha256
3685bb768ead90d9d13d981da27cbe69c901d4c4fef214d1edd8380fde6c337a
sha512
11c99e832075953b2ab707b7171408c45462aaa05cacc4ae941614fa4d38de71bf2ca95b2146c410bed7a1f472ff7e17d0e524f6c1afd8aa58d95c0e51db4f3a
ripemd-160
ebdb51855a27dffa9c74db472913ff2b8161a78c
Diameter
85281890
Circumference
267920959.10825
Area
5.7122014408411E+15
Volume
3.247648899571E+23
Surface area
2.2848805763365E+16
Circumference
267920959.10825
Perimeter
170563780
Area
1818250190493025
Diagonal
60303402.731405
Surface area
10909501142958150
Volume
7.7531906369053E+22
Space diagonal
73856283.22275
Perimeter
127922835
Area
7.8732542770143E+14
Altitude
36928141.611375
Surface area
7.8732542770143E+14
Volume
9.1372227919796E+21
Height
20101134.243802