42018538 is an even 8-digits composite number following 42018537
and preceding 42018539 . In scientific notation, it is written as 4.2018538 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 19773936 positive integers (up to 42018538) that are relatively prime to 42018538.
42018538 has 16 divisors, whose sum is 66777120
The reverse of 42018538 is 83581024
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
forty-two million eighteen thousand five hundred thirty-eight
Scientific notation
4.2018538 × 10^7
Engineering notation
4.2018538 × 10^6
Prime Factorization
2 × 19 × 157 × 7043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42018538
Product of the distinct prime numbers
The prime factorization of 42018538 is 2 × 19 × 157 × 7043.
Since it has a total of 4 prime factors.
4 , 9 , 60 , 23 , 113 , 200 , 1991 , 3415 , 39745 , 36386 , 63166 , 998097 , 2890200 , 9504192 , 34360987 , 5399358 , 965593908 , 865774836 , 1950665127 , 7885096642
n×2
84037076
n×3
126055614
n×4
168074152
n×5
210092690
n÷2
21009269
n÷3
14006179.333333
n÷3
10504634.5
n÷5
8403707.6
n2
1765557535657444
n3
7.4186146403209E+22
n4
3.1171934117168E+30
n5
1.3097990982357E+38
2 √n
6482.1707783736
3 √n
347.65379869786
4 √n
80.511929416538
5 √n
33.472502871091
1 , 2 , 19 , 38 , 157 , 314 , 2983 , 5966 , 7043 , 14086 , 133817 , 267634 , 1105751 , 2211502 , 21009269 , 42018538
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
-42018537
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 42018538 can be divided by 16 positive divisors.
The sum of these divisors (counting 42018538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100000010010011011101010
3
Ternary
2221001202121011
4
Quaternary
2200102123222
5
Quinary
41224043123
6
Senary
4100334134
8
Octal
240223352
10
Decimal
42018538
12
Duodecimal
120a434a
16
Hexadecimal
28126ea
20
Vigesimal
d2c66i
36
Base36
p0lpm
md5
582c745df3be0fddd93ba922cd0d8cd0
sha1
342d1869cfb6592d416563dcf112c0b151777ab6
sha256
6e09b83f863a6af486728f05f5ecdbe7532cc0ab410f015421eb4283fb8f7525
sha512
719efe2f3a4cdbd09428d6ce338d35119f30e7ae29789c44f8ffe6cfd526359751584ba4afbfdbd81aad31c7c3861e1277f84aaa9ee666455ac11703dbe4fe89
ripemd-160
7585ab81a7d51439e16dfcff9f302f139fb3547c
Diameter
84037076
Circumference
264010260.59077
Area
5.5466625835115E+15
Volume
3.1075020338461E+23
Surface area
2.2186650334046E+16
Circumference
264010260.59077
Perimeter
168074152
Area
1765557535657444
Diagonal
59423186.310689
Surface area
10593345213944664
Volume
7.4186146403209E+22
Space diagonal
72778242.675764
Perimeter
126055614
Area
7.645088388612E+14
Altitude
36389121.337882
Surface area
7.645088388612E+14
Volume
8.7429211986345E+21
Height
19807728.77023