164021809 is an odd 9-digits composite number following 164021808
and preceding 164021810 . In scientific notation, it is written as 1.64021809 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 134477376 positive integers (up to 164021809) that are relatively prime to 164021809.
164021809 has 8 divisors, whose sum is 195603840
The reverse of 164021809 is 908120461
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-four million twenty-one thousand eight hundred nine
Scientific notation
1.64021809 × 10^8
Engineering notation
1.64021809 × 10^6
Prime Factorization
7 × 23 × 1018769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
164021809
Product of the distinct prime numbers
The prime factorization of 164021809 is 7 × 23 × 1018769.
Since it has a total of 3 prime factors.
2 , 1 , 10 , 35 , 327 , 746 , 7227 , 5484 , 75873 , 47095 , 71827 , 204230 , 8835926 , 813800 , 45687504 , 3573057 , 240519120 , 546547441 , 3596426450 , 4921886299
n×2
328043618
n×3
492065427
n×4
656087236
n×5
820109045
n÷2
82010904.5
n÷3
54673936.333333
n÷3
41005452.25
n÷5
32804361.8
n2
26903153827632481
n3
4.4127039586136E+24
n4
7.2377968587326E+32
n5
1.1871565339438E+41
2 √n
12807.099944952
3 √n
547.39462981973
4 √n
113.16845826003
5 √n
43.952169759565
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
-164021808
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 164021809 can be divided by 8 positive divisors.
The sum of these divisors (counting 164021809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001101100011000110001
3
Ternary
102102122011121211
4
Quaternary
21301230120301
5
Quinary
313442144214
6
Senary
24135320121
8
Octal
1161543061
10
Decimal
164021809
12
Duodecimal
46b20041
16
Hexadecimal
9c6c631
20
Vigesimal
2b52ea9
36
Base36
2pnk1d
md5
5845db2dd2d99d0a032e3e59fc6f39ae
sha1
525bf2bf47022472f0c3a10a254b6a2cb6e649b4
sha256
8a77566d74829c7a9cd2a397b82fc33194261d9842e837ff10f6e8a7b451e670
sha512
8b372b067890a69bafdcac7189710d12861d08a7786faaebc336ff67b1d346b3995146218c87d455e4278c0375d8ef3adfc38ac2e9ed517feba814c073773325
ripemd-160
d8e5dd72309f5f67bea53cadf3faafade49e9fd1
Diameter
328043618
Circumference
1030579420.3658
Area
8.4518750423286E+16
Volume
1.8483891118463E+25
Surface area
3.3807500169315E+17
Circumference
1030579420.3658
Perimeter
656087236
Area
26903153827632481
Diagonal
231961866.81277
Surface area
161418922965794886
Volume
4.4127039586136E+24
Space diagonal
284094106.73736
Perimeter
492065427
Area
1.1649407328325E+16
Altitude
142047053.36868
Surface area
1.1649407328325E+16
Volume
5.2004214875073E+23
Height
77320622.270923