164491805 is an odd 9-digits composite number following 164491804
and preceding 164491806 . In scientific notation, it is written as 1.64491805 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 131593440 positive integers (up to 164491805) that are relatively prime to 164491805.
164491805 has 4 divisors, whose sum is 197390172
The reverse of 164491805 is 508194461
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-four million four hundred ninety-one thousand eight hundred five
Scientific notation
1.64491805 × 10^8
Engineering notation
1.64491805 × 10^6
Prime Factorization
5 × 32898361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
164491805
Product of the distinct prime numbers
The prime factorization of 164491805 is 5 × 32898361.
Since it has a total of 2 prime factors.
10 , 3 , 77 , 9 , 431 , 805 , 8159 , 8424 , 83821 , 39207 , 323827 , 83750 , 3672813 , 5059635 , 49212002 , 90835677 , 863382266 , 325369781 , 1191721812 , 3390641965
n×2
328983610
n×3
493475415
n×4
657967220
n×5
822459025
n÷2
82245902.5
n÷3
54830601.666667
n÷3
41122951.25
n÷5
32898361
n2
27057553912158025
n3
4.4507458818957E+24
n4
7.3211122370934E+32
n5
1.2042629664871E+41
2 √n
12825.43586004
3 √n
547.91697487457
4 √n
113.2494408818
5 √n
43.977329471813
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
-164491804
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 164491805 can be divided by 4 positive divisors.
The sum of these divisors (counting 164491805) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110011011111001000011101
3
Ternary
102110112001100002
4
Quaternary
21303133020131
5
Quinary
314102214210
6
Senary
24153344045
8
Octal
1163371035
10
Decimal
164491805
12
Duodecimal
47108025
16
Hexadecimal
9cdf21d
20
Vigesimal
2b819a5
36
Base36
2pxmot
md5
82bdee195a981a1e3d5a8247b53a94ad
sha1
bbe4801921cd0291643cfb208876f31bce88d186
sha256
dc5b805aae9b03683c78b1ce580100209ca726cf4f014396a5b42da0c6dc7b19
sha512
314b7621d2836e21be459ecff6cb32d448fbee9c7b5a22dab4654ef975f80e9faee636a9fd4531dfe88c968091c2289877ce76a1c21accc1851b051588c2344c
ripemd-160
1fbf992fbf2657fac4892bccc9e132329b10bfa5
Diameter
328983610
Circumference
1033532492.3274
Area
8.5003812594545E+16
Volume
1.8643240754078E+25
Surface area
3.4001525037818E+17
Circumference
1033532492.3274
Perimeter
657967220
Area
27057553912158025
Diagonal
232626541.53023
Surface area
162345323472948150
Volume
4.4507458818957E+24
Space diagonal
284908163.68871
Perimeter
493475415
Area
1.1716264526098E+16
Altitude
142454081.84436
Surface area
1.1716264526098E+16
Volume
5.2452543240442E+23
Height
77542180.510077