164021818 is an even 9-digits composite number following 164021817
and preceding 164021819 . In scientific notation, it is written as 1.64021818 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 81905916 positive integers (up to 164021818) that are relatively prime to 164021818.
164021818 has 8 divisors, whose sum is 246347712
The reverse of 164021818 is 818120461
Previous prime number is 787
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-four million twenty-one thousand eight hundred eighteen
Scientific notation
1.64021818 × 10^8
Engineering notation
1.64021818 × 10^6
Prime Factorization
2 × 787 × 104207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
164021818
Product of the distinct prime numbers
The prime factorization of 164021818 is 2 × 787 × 104207.
Since it has a total of 3 prime factors.
2 , 1 , 84 , 88 , 843 , 656 , 3093 , 185 , 5693 , 74063 , 145980 , 588576 , 3209334 , 2144056 , 39429834 , 73222225 , 629637039 , 306171827 , 6136102705 , 4146949167
n×2
328043636
n×3
492065454
n×4
656087272
n×5
820109090
n÷2
82010909
n÷3
54673939.333333
n÷3
41005454.5
n÷5
32804363.6
n2
26903156780025124
n3
4.4127046849987E+24
n4
7.2377984473061E+32
n5
1.1871568596447E+41
2 √n
12807.10029632
3 √n
547.39463983171
4 √n
113.16845981244
5 √n
43.952170241903
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-164021817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 164021818 can be divided by 8 positive divisors.
The sum of these divisors (counting 164021818) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001101100011000111010
3
Ternary
102102122011122011
4
Quaternary
21301230120322
5
Quinary
313442144233
6
Senary
24135320134
8
Octal
1161543072
10
Decimal
164021818
12
Duodecimal
46b2004a
16
Hexadecimal
9c6c63a
20
Vigesimal
2b52eai
36
Base36
2pnk1m
md5
2bd3865f616750ec154504e09ab5b641
sha1
35d9a0722f2c7c7c3b8a941e7ba131bddca034fb
sha256
7c34cc433160ef3144adffad02beec25d9ecc94fb529f2b72919ef00baeb1b53
sha512
ae74957b356b477fb116b9008ed502ba9b67de6239815bc8fe28599083d10c5a25a9f1dc69eceed7f34408526681668f0cbc39557f128769807e68567d35aa4c
ripemd-160
5954655080a668797378552490cde35a048157a9
Diameter
328043636
Circumference
1030579476.9145
Area
8.4518759698501E+16
Volume
1.8483894161138E+25
Surface area
3.3807503879401E+17
Circumference
1030579476.9145
Perimeter
656087272
Area
26903156780025124
Diagonal
231961879.54069
Surface area
161418940680150744
Volume
4.4127046849987E+24
Space diagonal
284094122.32582
Perimeter
492065454
Area
1.1649408606749E+16
Altitude
142047061.16291
Surface area
1.1649408606749E+16
Volume
5.2004223435604E+23
Height
77320626.513564