164065981 is an odd 9-digits composite number following 164065980
and preceding 164065982 . In scientific notation, it is written as 1.64065981 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 158773500 positive integers (up to 164065981) that are relatively prime to 164065981.
164065981 has 4 divisors, whose sum is 169358464
The reverse of 164065981 is 189560461
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred sixty-four million sixty-five thousand nine hundred eighty-one
Scientific notation
1.64065981 × 10^8
Engineering notation
1.64065981 × 10^6
Prime Factorization
31 × 5292451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
164065981
Product of the distinct prime numbers
The prime factorization of 164065981 is 31 × 5292451.
Since it has a total of 2 prime factors.
8 , 10 , 44 , 53 , 632 , 473 , 398 , 5445 , 24604 , 18161 , 997490 , 437481 , 1351963 , 5180251 , 56227208 , 98633605 , 386981886 , 117218603 , 2463430345 , 5945770350
n×2
328131962
n×3
492197943
n×4
656263924
n×5
820329905
n÷2
82032990.5
n÷3
54688660.333333
n÷3
41016495.25
n÷5
32813196.2
n2
26917646121492361
n3
4.4162700171335E+24
n4
7.2455967272189E+32
n5
1.1887559349816E+41
2 √n
12808.824341055
3 √n
547.44376423159
4 √n
113.17607671701
5 √n
43.954536818129
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
-164065980
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 164065981 can be divided by 4 positive divisors.
The sum of these divisors (counting 164065981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001110111001010111101
3
Ternary
102102201102012211
4
Quaternary
21301313022331
5
Quinary
314000102411
6
Senary
24140300421
8
Octal
1161671275
10
Decimal
164065981
12
Duodecimal
46b41711
16
Hexadecimal
9c772bd
20
Vigesimal
2b584j1
36
Base36
2poi4d
md5
58994001f3f78b49b8026da81c8cbcc9
sha1
9b2b581c664cae7291cb055b831950715e99f883
sha256
dabd7eb699f10bcb305647174ce5f1762c8135ced15d32cb4590dd9e36c5ec6b
sha512
10e1975cc8d26fd6b93e07111f48c9330e3c01a04957aca775f76112193a9b8447c637782049cc1f2fe51bf199d588c58599e5c519b09c4e6bc9b0ddc4f63bc1
ripemd-160
81d99f73e1d7135cb24b52299c12dea06df39a87
Diameter
328131962
Circumference
1030856961.2272
Area
8.456427930721E+16
Volume
1.8498828589461E+25
Surface area
3.3825711722884E+17
Circumference
1030856961.2272
Perimeter
656263924
Area
26917646121492361
Diagonal
232024335.45425
Surface area
161505876728954166
Volume
4.4162700171335E+24
Space diagonal
284170614.88563
Perimeter
492197943
Area
1.1655682675646E+16
Altitude
142085307.44282
Surface area
1.1655682675646E+16
Volume
5.2046241277765E+23
Height
77341445.151416