168408081 (number)

168408081 is an odd 9-digits composite number following 168408080 and preceding 168408082. In scientific notation, it is written as 1.68408081 × 10^8. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 108662400 positive integers (up to 168408081) that are relatively prime to 168408081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.68408081 × 10^8
Engineering notation 1.68408081 × 10^6

Prime Factorization of 168408081

Prime Factorization 3 × 3 × 43 × 113 × 3851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 56136027
Product of the distinct prime numbers

The prime factorization of 168408081 is 3 × 3 × 43 × 113 × 3851. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 168408081)

Multiplication

n×y
n×2 336816162
n×3 505224243
n×4 673632324
n×5 842040405

Division

n÷y
n÷2 84204040.5
n÷3 56136027
n÷3 42102020.25
n÷5 33681616.2

Exponentiation

ny
n2 28361281746102561
n3 4.7762690335615E+24
n4 8.0436230228181E+32
n5 1.3546111175602E+41

Nth Root

y√n
2√n 12977.213915167
3√n 552.23124566111
4√n 113.91757509343
5√n 44.184768654195

Divisors of 168408081

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168408080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168408081 can be divided by 24 positive divisors. The sum of these divisors (counting 168408081) is 1, the average is 0.041666666666667.

Base conversion 168408081

Base System Value
2 Binary 1010000010011011010000010001
3 Ternary 102201220000110100
4 Quaternary 22002123100101
5 Quinary 321103024311
6 Senary 24413323013
8 Octal 1202332021
10 Decimal 168408081
12 Duodecimal 48496469
16 Hexadecimal a09b411
20 Vigesimal 2ccb041
36 Base36 2s9ki9

Cryptographic Hash Functions

md5 9915e25304f1d7269842f976157b8d7b
sha1 08e81df18640e15e3ab6ae0ed500d18aee6f6d20
sha256 43b8795777aa8cb633f12b0736702c876c5418ff3bdece2b86b245b1fac42261
sha512 4e37eb3b0b0d131bb90e6a4d531342777e5389be18e5e9ebefe1358a4418871b5e6672d9446f22a5c7d91ec198ccc68d4eb5c8f6ba115e4a8a7cd9950c1c9a8b
ripemd-160 4a22590da053df186726ad65e2f4851d1ac8bd93

168408081 as geometric shapes

Circle

Radius = n
Diameter 336816162
Circumference 1058139180.1495
Area 8.9099594379946E+16

Sphere

Radius = n
Volume 2.0006788943207E+25
Surface area 3.5639837751978E+17
Circumference 1058139180.1495

Square

Length = n
Perimeter 673632324
Area 28361281746102561
Diagonal 238164992.16343

Cube

Length = n
Surface area 170167690476615366
Volume 4.7762690335615E+24
Space diagonal 291691352.69717

Equilateral Triangle

Length = n
Perimeter 505224243
Area 1.2280795238006E+16
Altitude 145845676.34859

Triangular Pyramid

Length = n
Surface area 1.2280795238006E+16
Volume 5.6288870373377E+23
Height 79388330.721142