164021785 is an odd 9-digits composite number following 164021784
and preceding 164021786 . In scientific notation, it is written as 1.64021785 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 131217424 positive integers (up to 164021785) that are relatively prime to 164021785.
164021785 has 4 divisors, whose sum is 196826148
The reverse of 164021785 is 587120461
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-four million twenty-one thousand seven hundred eighty-five
Scientific notation
1.64021785 × 10^8
Engineering notation
1.64021785 × 10^6
Prime Factorization
5 × 32804357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
164021785
Product of the distinct prime numbers
The prime factorization of 164021785 is 5 × 32804357.
Since it has a total of 2 prime factors.
4 , 3 , 17 , 17 , 527 , 825 , 2502 , 1276 , 83958 , 19215 , 969522 , 406309 , 5518545 , 9442130 , 71686362 , 32155391 , 993832049 , 403408224 , 7011863659 , 6738250690
n×2
328043570
n×3
492065355
n×4
656087140
n×5
820108925
n÷2
82010892.5
n÷3
54673928.333333
n÷3
41005446.25
n÷5
32804357
n2
26903145954586225
n3
4.4127020215868E+24
n4
7.2377926225377E+32
n5
1.1871556654085E+41
2 √n
12807.099007972
3 √n
547.3946031211
4 √n
113.16845412027
5 √n
43.952168473331
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
-164021784
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 164021785 can be divided by 4 positive divisors.
The sum of these divisors (counting 164021785) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001101100011000011001
3
Ternary
102102122011120221
4
Quaternary
21301230120121
5
Quinary
313442144120
6
Senary
24135320041
8
Octal
1161543031
10
Decimal
164021785
12
Duodecimal
46b20021
16
Hexadecimal
9c6c619
20
Vigesimal
2b52e95
36
Base36
2pnk0p
md5
61a8063f80f6cf4d19e59d18ed701feb
sha1
911271702a4dcbcf6513d8a86814bfc31bd12862
sha256
dac6afe69a349503a617834ad9464f6d896217ac51b0db84ff3c9dde2a16553d
sha512
f0534cb467a3e684df9f61605dc39b7a32351a192a794960e6e7d69353e52d4f34958cc829b14907d64449354b19fba7315ddc634b9e0ff2e133ad7d1d65ffcd
ripemd-160
8927b03503ead6c300f0ba1155551539439768d6
Diameter
328043570
Circumference
1030579269.5694
Area
8.4518725689382E+16
Volume
1.8483883004664E+25
Surface area
3.3807490275753E+17
Circumference
1030579269.5694
Perimeter
656087140
Area
26903145954586225
Diagonal
231961832.87164
Surface area
161418875727517350
Volume
4.4127020215868E+24
Space diagonal
284094065.16814
Perimeter
492065355
Area
1.1649403919196E+16
Altitude
142047032.58407
Surface area
1.1649403919196E+16
Volume
5.2004192046993E+23
Height
77320610.957215