42181838 is an even 8-digits composite number following 42181837
and preceding 42181839 . In scientific notation, it is written as 4.2181838 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 21090918 positive integers (up to 42181838) that are relatively prime to 42181838.
42181838 has 4 divisors, whose sum is 63272760
The reverse of 42181838 is 83818124
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
forty-two million one hundred eighty-one thousand eight hundred thirty-eight
Scientific notation
4.2181838 × 10^7
Engineering notation
4.2181838 × 10^6
Prime Factorization
2 × 21090919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42181838
Product of the distinct prime numbers
The prime factorization of 42181838 is 2 × 21090919.
Since it has a total of 2 prime factors.
7 , 2 , 57 , 34 , 300 , 572 , 7097 , 9799 , 13114 , 59594 , 74192 , 957883 , 3916627 , 4241825 , 3758108 , 94174808 , 443224586 , 297046628 , 707692106 , 2256945415
n×2
84363676
n×3
126545514
n×4
168727352
n×5
210909190
n÷2
21090919
n÷3
14060612.666667
n÷3
10545459.5
n÷5
8436367.6
n2
1779307457058244
n3
7.5054458905823E+22
n4
3.1659350267431E+30
n5
1.335449584166E+38
2 √n
6494.7546527948
3 √n
348.10358809028
4 √n
80.590040655126
5 √n
33.498479892022
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42181837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42181838 can be divided by 4 positive divisors.
The sum of these divisors (counting 42181838) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000111010010011001110
3
Ternary
2221101001121022
4
Quaternary
2200322103032
5
Quinary
41244304323
6
Senary
4104034142
8
Octal
240722316
10
Decimal
42181838
12
Duodecimal
12162952
16
Hexadecimal
283a4ce
20
Vigesimal
d3cebi
36
Base36
p43pq
md5
5217fddc3684be1bb694df1408ab5625
sha1
d553dfad2f59ce0a10ea662a64f62ee4ba939b0a
sha256
d2942a7e675b9a89189e4805eb4dd9d8048aa90a108eb73201409beab915f8fc
sha512
bdb798e4b5b6471cd10497179d8f124bd1366f94ead28419a130276b8a7124ee40dbe335a5db7c570c7910077697a7c3924dbc0df9310d95eed2e05cd14ea23f
ripemd-160
d5efbf1520bdcbd75f74a8d466be6c7370c571a5
Diameter
84363676
Circumference
265036304.75143
Area
5.5898592355717E+15
Volume
3.1438738229025E+23
Surface area
2.2359436942287E+16
Circumference
265036304.75143
Perimeter
168727352
Area
1779307457058244
Diagonal
59654127.385425
Surface area
10675844742349464
Volume
7.5054458905823E+22
Space diagonal
73061086.57264
Perimeter
126545514
Area
7.7046272947776E+14
Altitude
36530543.28632
Surface area
7.7046272947776E+14
Volume
8.8452528084324E+21
Height
19884709.128475