68018081 (number)

68018081 is an odd 8-digits composite number following 68018080 and preceding 68018082. In scientific notation, it is written as 6.8018081 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 63834048 positive integers (up to 68018081) that are relatively prime to 68018081.

Interesting facts

Basic properties

Name

Name sixty-eight million eighteen thousand eighty-one

Notation

Scientific notation 6.8018081 × 10^7
Engineering notation 6.8018081 × 10^6

Prime Factorization of 68018081

Prime Factorization 2033 × 33457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68018081
Product of the distinct prime numbers

The prime factorization of 68018081 is 2033 × 33457. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68018081)

Multiplication

n×y
n×2 136036162
n×3 204054243
n×4 272072324
n×5 340090405

Division

n÷y
n÷2 34009040.5
n÷3 22672693.666667
n÷3 17004520.25
n÷5 13603616.2

Exponentiation

ny
n2 4626459342922561
n3 3.1468288633011E+23
n4 2.1404126051715E+31
n5 1.4558675795198E+39

Nth Root

y√n
2√n 8247.3075000269
3√n 408.20168365534
4√n 90.814687688869
5√n 36.857415199435

Divisors of 68018081

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 -68018080
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 68018081 can be divided by 4 positive divisors. The sum of these divisors (counting 68018081) is 1, the average is 0.25.

Base conversion 68018081

Base System Value
2 Binary 100000011011101111110100001
3 Ternary 11201222200021012
4 Quaternary 10003131332201
5 Quinary 114403034311
6 Senary 10425510305
8 Octal 403357641
10 Decimal 68018081
12 Duodecimal 1a942395
16 Hexadecimal 40ddfa1
20 Vigesimal 1152541
36 Base36 14hv35

Cryptographic Hash Functions

md5 6639210b71eecb2ce57cb4b32d8a9668
sha1 4998c32f82e485a9f1b258b87b690f9969a3ffd5
sha256 ce47d9acdbcf0795ba066154ef2a8b3fb4c6927f6aff00049052edf5c8388675
sha512 103ae380f42b0c116e3a60517d21418000852af8bbe9ffb4ec2898198ddbbe48d3b2768b184de7a7eae65e758f12b28760ac749752b8b3d87e8f0e0304a9da28
ripemd-160 d55c596e5f66b10c9f66e15fa782435d36ca85c4

68018081 as geometric shapes

Circle

Radius = n
Diameter 136036162
Circumference 427370207.16175
Area 1.4534450683857E+16

Sphere

Radius = n
Volume 1.3181405918735E+24
Surface area 5.813780273543E+16
Circumference 427370207.16175

Square

Length = n
Perimeter 272072324
Area 4626459342922561
Diagonal 96192092.636792

Cube

Length = n
Surface area 27758756057535366
Volume 3.1468288633011E+23
Space diagonal 117810772.12534

Equilateral Triangle

Length = n
Perimeter 204054243
Area 2.0033156602734E+15
Altitude 58905386.062668

Triangular Pyramid

Length = n
Surface area 2.0033156602734E+15
Volume 3.7085733807896E+22
Height 32064030.878931