168438081 (number)

168438081 is an odd 9-digits composite number following 168438080 and preceding 168438082. In scientific notation, it is written as 1.68438081 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 94433664 positive integers (up to 168438081) that are relatively prime to 168438081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.68438081 × 10^8
Engineering notation 1.68438081 × 10^6

Prime Factorization of 168438081

Prime Factorization 3 × 7 × 53 × 151337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 168438081
Product of the distinct prime numbers

The prime factorization of 168438081 is 3 × 7 × 53 × 151337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 20, 12, 649, 296, 997, 4682, 91292, 4429, 225473, 394403, 4236307, 6265771, 10820323, 46902526, 517707195, 297750035, 8664833019, 8284406286

Basic calculations (n = 168438081)

Multiplication

n×y
n×2 336876162
n×3 505314243
n×4 673752324
n×5 842190405

Division

n÷y
n÷2 84219040.5
n÷3 56146027
n÷3 42109520.25
n÷5 33687616.2

Exponentiation

ny
n2 28371387130962561
n3 4.7788220036474E+24
n4 8.0493560773495E+32
n5 1.3558180909544E+41

Nth Root

y√n
2√n 12978.369735834
3√n 552.26403496994
4√n 113.92264803731
5√n 44.186342745663

Divisors of 168438081

1, 3, 7, 21, 53, 159, 371, 1113, 151337, 454011, 1059359, 3178077, 8020861, 24062583, 56146027, 168438081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168438080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168438081 can be divided by 16 positive divisors. The sum of these divisors (counting 168438081) is 1, the average is 0.0625.

Base conversion 168438081

Base System Value
2 Binary 1010000010100010100101000001
3 Ternary 102201221112121110
4 Quaternary 22002202211001
5 Quinary 321110004311
6 Senary 24414113533
8 Octal 1202424501
10 Decimal 168438081
12 Duodecimal 484ab8a9
16 Hexadecimal a0a2941
20 Vigesimal 2ccef41
36 Base36 2sa7nl

Cryptographic Hash Functions

md5 2c18d78bb6dcf9ac5b60bdf35dc23e20
sha1 3547c869970a0b24a2ce3cdf1c1c8d0a110b7aea
sha256 792e8bb9f6a0cfad2129cb8fe64167e2d53ba454a37d939fa097ffcd965ccc0d
sha512 a762ee94240ccef85bf32985613545cfbd74fb48cbf45314973a7bcd38b6046745eb6d631fb613144ca858ad0fe0a5f582cf657f6de9da6ec1f5ab3afe1ed3d3
ripemd-160 15b04450d5167fda699d3a9cd7e899f07aa166ba

168438081 as geometric shapes

Circle

Radius = n
Diameter 336876162
Circumference 1058327675.7087
Area 8.9131341382784E+16

Sphere

Radius = n
Volume 2.0017482799296E+25
Surface area 3.5652536553114E+17
Circumference 1058327675.7087

Square

Length = n
Perimeter 673752324
Area 28371387130962561
Diagonal 238207418.5703

Cube

Length = n
Surface area 170228322785775366
Volume 4.7788220036474E+24
Space diagonal 291743314.2214

Equilateral Triangle

Length = n
Perimeter 505314243
Area 1.2285170998008E+16
Altitude 145871657.1107

Triangular Pyramid

Length = n
Surface area 1.2285170998008E+16
Volume 5.6318957414376E+23
Height 79402472.856766