42161809 is an odd 8-digits composite number following 42161808
and preceding 42161810 . In scientific notation, it is written as 4.2161809 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 41961780 positive integers (up to 42161809) that are relatively prime to 42161809.
42161809 has 4 divisors, whose sum is 42361840
The reverse of 42161809 is 90816124
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
forty-two million one hundred sixty-one thousand eight hundred nine
Scientific notation
4.2161809 × 10^7
Engineering notation
4.2161809 × 10^6
Prime Factorization
211 × 199819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42161809
Product of the distinct prime numbers
The prime factorization of 42161809 is 211 × 199819.
Since it has a total of 2 prime factors.
4 , 10 , 11 , 8 , 979 , 738 , 4718 , 5313 , 79590 , 13247 , 117553 , 164502 , 4570886 , 2773829 , 46090396 , 96144782 , 812365905 , 310988305 , 5331016890 , 6519543351
n×2
84323618
n×3
126485427
n×4
168647236
n×5
210809045
n÷2
21080904.5
n÷3
14053936.333333
n÷3
10540452.25
n÷5
8432361.8
n2
1777618138152481
n3
7.4947596415721E+22
n4
3.1599262450887E+30
n5
1.3322820679952E+38
2 √n
6493.2125330995
3 √n
348.0484832481
4 √n
80.580472405537
5 √n
33.495298103111
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
-42161808
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 42161809 can be divided by 4 positive divisors.
The sum of these divisors (counting 42161809) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000110101011010010001
3
Ternary
2221100001010111
4
Quaternary
2200311122101
5
Quinary
41243134214
6
Senary
4103401321
8
Octal
240653221
10
Decimal
42161809
12
Duodecimal
12153241
16
Hexadecimal
2835691
20
Vigesimal
d3a4a9
36
Base36
p3o9d
md5
899aa9a25d062640cd4bd7de97e0c461
sha1
107c3e9e71b01f7e37b8fd127e8f7bffc2ab38e0
sha256
ef01618f8a14bdc300fcfe32e1a552ae01691b7fabb3f7ac69c18041e0608f1c
sha512
75873d20170122ca3f3bfeafdbc5472054a81fb102e9967ecaa22ad8fedac2193e7dcab44bbc1f13462aa7187712506f57be2e0e895b4bb9e19a68bb014064a9
ripemd-160
88ccb2d7e691e9be8c5dd267cde9e9ca6e91658b
Diameter
84323618
Circumference
264910458.83291
Area
5.5845520837078E+15
Volume
3.1393975773845E+23
Surface area
2.2338208334831E+16
Circumference
264910458.83291
Perimeter
168647236
Area
1777618138152481
Diagonal
59625802.101984
Surface area
10665708828914886
Volume
7.4947596415721E+22
Space diagonal
73026395.327015
Perimeter
126485427
Area
7.6973123293402E+14
Altitude
36513197.663507
Surface area
7.6973123293402E+14
Volume
8.8326589431981E+21
Height
19875267.367328