164038781 (number)

164038781 is an odd 9-digits composite number following 164038780 and preceding 164038782. In scientific notation, it is written as 1.64038781 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 162993792 positive integers (up to 164038781) that are relatively prime to 164038781.

Interesting facts

Basic properties

Name

Name one hundred sixty-four million thirty-eight thousand seven hundred eighty-one

Notation

Scientific notation 1.64038781 × 10^8
Engineering notation 1.64038781 × 10^6

Prime Factorization of 164038781

Prime Factorization 157 × 1044833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 164038781
Product of the distinct prime numbers

The prime factorization of 164038781 is 157 × 1044833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 87, 4, 702, 655, 7152, 5427, 95204, 89172, 686061, 223901, 5476873, 6961101, 53450372, 36868461, 991425832, 301177302, 8607127340, 4285001431

Basic calculations (n = 164038781)

Multiplication

n×y
n×2 328077562
n×3 492116343
n×4 656155124
n×5 820193905

Division

n÷y
n÷2 82019390.5
n÷3 54679593.666667
n÷3 41009695.25
n÷5 32807756.2

Exponentiation

ny
n2 26908721671965961
n3 4.4140739013376E+24
n4 7.2407930201933E+32
n5 1.1877708605058E+41

Nth Root

y√n
2√n 12807.762529029
3√n 547.41350954736
4√n 113.17138564597
5√n 43.953079303676

Divisors of 164038781

1, 157, 1044833, 164038781

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 -164038780
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 164038781 can be divided by 4 positive divisors. The sum of these divisors (counting 164038781) is 1, the average is 0.25.

Base conversion 164038781

Base System Value
2 Binary 1001110001110000100001111101
3 Ternary 102102200000220102
4 Quaternary 21301300201331
5 Quinary 313443220111
6 Senary 24135530445
8 Octal 1161604175
10 Decimal 164038781
12 Duodecimal 46b29a25
16 Hexadecimal 9c7087d
20 Vigesimal 2b54gj1
36 Base36 2pnx4t

Cryptographic Hash Functions

md5 05b154bafc9843f058ffd2391222c29c
sha1 906cf3027caf2d768c14573023f5cc875836a89a
sha256 48aa5ad81e23fed22470966e1fd25c52b82fd23d20569a4d86ee580fed039bb1
sha512 024ee372be1db5bde416a2ecd598651678f72902a42b7f504a849ffd3ca7a9cdd92ba0796a5624b00f88946efa1c9f7be108dfb80d715cf861e249717e411815
ripemd-160 8a9b42c3a25143d942b1678975ae4949c2320984

164038781 as geometric shapes

Circle

Radius = n
Diameter 328077562
Circumference 1030686058.5868
Area 8.4536242322141E+16

Sphere

Radius = n
Volume 1.8489629521126E+25
Surface area 3.3814496928856E+17
Circumference 1030686058.5868

Square

Length = n
Perimeter 656155124
Area 26908721671965961
Diagonal 231985868.84535

Cube

Length = n
Surface area 161452330031795766
Volume 4.4140739013376E+24
Space diagonal 284123503.10366

Equilateral Triangle

Length = n
Perimeter 492116343
Area 1.1651818275644E+16
Altitude 142061751.55183

Triangular Pyramid

Length = n
Surface area 1.1651818275644E+16
Volume 5.2020359804906E+23
Height 77328622.94845