67818981 (number)

67818981 is an odd 8-digits composite number following 67818980 and preceding 67818982. In scientific notation, it is written as 6.7818981 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 45212652 positive integers (up to 67818981) that are relatively prime to 67818981.

Interesting facts

Basic properties

Name

Name sixty-seven million eight hundred eighteen thousand nine hundred eighty-one

Notation

Scientific notation 6.7818981 × 10^7
Engineering notation 6.7818981 × 10^6

Prime Factorization of 67818981

Prime Factorization 3 × 22606327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 67818981
Product of the distinct prime numbers

The prime factorization of 67818981 is 3 × 22606327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 67818981)

Multiplication

n×y
n×2 135637962
n×3 203456943
n×4 271275924
n×5 339094905

Division

n÷y
n÷2 33909490.5
n÷3 22606327
n÷3 16954745.25
n÷5 13563796.2

Exponentiation

ny
n2 4599414183878361
n3 3.1192758314758E+23
n4 2.1154610834861E+31
n5 1.4346841502719E+39

Nth Root

y√n
2√n 8235.2280478442
3√n 407.80300346642
4√n 90.748157269689
5√n 36.835812359271

Divisors of 67818981

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 -67818980
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 67818981 can be divided by 4 positive divisors. The sum of these divisors (counting 67818981) is 1, the average is 0.25.

Base conversion 67818981

Base System Value
2 Binary 100000010101101010111100101
3 Ternary 11201121120011010
4 Quaternary 10002231113211
5 Quinary 114330201411
6 Senary 10421332433
8 Octal 402552745
10 Decimal 67818981
12 Duodecimal 1a867119
16 Hexadecimal 40ad5e5
20 Vigesimal 113h791
36 Base36 14dlgl

Cryptographic Hash Functions

md5 4955891392be49e5ba5adc686941861f
sha1 b9deab6fd94ce5730553abfc484448be5dd25c8c
sha256 2c999f789257719ce0d671f251656ff5f0b220ef0c12a60f6ebdfea6e5985693
sha512 6387712f6024161cbdd5c74e93733ff766be9cd38338000e7c9322d4d133883fcc3b6a798e7c91659cb52811a117e00d44cff521ef7931ffe7d7d3a476eb859a
ripemd-160 3d8bcd5f53d6474e7bbe99ca09bdad15f0b3ccfc

67818981 as geometric shapes

Circle

Radius = n
Diameter 135637962
Circumference 426119224.96709
Area 1.4449485810889E+16

Sphere

Radius = n
Volume 1.3065992048913E+24
Surface area 5.7797943243556E+16
Circumference 426119224.96709

Square

Length = n
Perimeter 271275924
Area 4599414183878361
Diagonal 95910522.716523

Cube

Length = n
Surface area 27596485103270166
Volume 3.1192758314758E+23
Space diagonal 117465920.80955

Equilateral Triangle

Length = n
Perimeter 203456943
Area 1.9916047628826E+15
Altitude 58732960.404774

Triangular Pyramid

Length = n
Surface area 1.9916047628826E+15
Volume 3.6761018213797E+22
Height 31970174.238841