164065981 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred sixty-four million sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.64065981 × 10^8
Engineering notation 1.64065981 × 10^6

Prime Factorization of 164065981

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.

Most popular turbo-numbers

Basic calculations (n = 164065981)

Multiplication

n×y
n×2 328131962
n×3 492197943
n×4 656263924
n×5 820329905

Division

n÷y
n÷2 82032990.5
n÷3 54688660.333333
n÷3 41016495.25
n÷5 32813196.2

Exponentiation

ny
n2 26917646121492361
n3 4.4162700171335E+24
n4 7.2455967272189E+32
n5 1.1887559349816E+41

Nth Root

y√n
2√n 12808.824341055
3√n 547.44376423159
4√n 113.17607671701
5√n 43.954536818129

Divisors of 164065981

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 conversion 164065981

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

Cryptographic Hash Functions

md5 58994001f3f78b49b8026da81c8cbcc9
sha1 9b2b581c664cae7291cb055b831950715e99f883
sha256 dabd7eb699f10bcb305647174ce5f1762c8135ced15d32cb4590dd9e36c5ec6b
sha512 10e1975cc8d26fd6b93e07111f48c9330e3c01a04957aca775f76112193a9b8447c637782049cc1f2fe51bf199d588c58599e5c519b09c4e6bc9b0ddc4f63bc1
ripemd-160 81d99f73e1d7135cb24b52299c12dea06df39a87

164065981 as geometric shapes

Circle

Radius = n
Diameter 328131962
Circumference 1030856961.2272
Area 8.456427930721E+16

Sphere

Radius = n
Volume 1.8498828589461E+25
Surface area 3.3825711722884E+17
Circumference 1030856961.2272

Square

Length = n
Perimeter 656263924
Area 26917646121492361
Diagonal 232024335.45425

Cube

Length = n
Surface area 161505876728954166
Volume 4.4162700171335E+24
Space diagonal 284170614.88563

Equilateral Triangle

Length = n
Perimeter 492197943
Area 1.1655682675646E+16
Altitude 142085307.44282

Triangular Pyramid

Length = n
Surface area 1.1655682675646E+16
Volume 5.2046241277765E+23
Height 77341445.151416