66389968 (number)

66389968 is an even 8-digits composite number following 66389967 and preceding 66389969. In scientific notation, it is written as 6.6389968 × 10^7. The sum of its digits is 55. It has a total of 5 prime factors and 10 positive divisors. There are 33194976 positive integers (up to 66389968) that are relatively prime to 66389968.

Interesting facts

Basic properties

Name

Name sixty-six million three hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 6.6389968 × 10^7
Engineering notation 6.6389968 × 10^6

Prime Factorization of 66389968

Prime Factorization 2 × 2 × 2 × 2 × 4149373

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 8298746
Product of the distinct prime numbers

The prime factorization of 66389968 is 2 × 2 × 2 × 2 × 4149373. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66389968)

Multiplication

n×y
n×2 132779936
n×3 199169904
n×4 265559872
n×5 331949840

Division

n÷y
n÷2 33194984
n÷3 22129989.333333
n÷3 16597492
n÷5 13277993.6

Exponentiation

ny
n2 4407627851041024
n3 2.9262227198652E+23
n4 1.9427183273273E+31
n5 1.2897700758427E+39

Nth Root

y√n
2√n 8148.0039273432
3√n 404.91837607204
4√n 90.266294525383
5√n 36.679253802535

Divisors of 66389968

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66389967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66389968 can be divided by 10 positive divisors. The sum of these divisors (counting 66389968) is 1, the average is 0.1.

Base conversion 66389968

Base System Value
2 Binary 11111101010000011111010000
3 Ternary 11121220221220201
4 Quaternary 3331100133100
5 Quinary 113443434333
6 Senary 10330544544
8 Octal 375203720
10 Decimal 66389968
12 Duodecimal 1a298154
16 Hexadecimal 3f507d0
20 Vigesimal 10eiei8
36 Base36 13iyts

Cryptographic Hash Functions

md5 16aa5e1a28d66cf168e20d014d1b7f66
sha1 89638cd98883b1acbea76d1d3adfd61f0eeaed34
sha256 ad45bf955156f4cd9c0394263c236399773217351809c28d0276b1cced00b2df
sha512 9f208bdd863ccd29d90efcb2acd642be6171ed5ce5de9543413487195dc1e6e13813e51ffe570765b4116ee15f487ed31b036046cc9b6453e65ef148eb1f4c71
ripemd-160 9ad5825076e8eb12229e07c581cb9764ccdc733a

66389968 as geometric shapes

Circle

Radius = n
Diameter 132779936
Circumference 417140471.48172
Area 1.3846971276588E+16

Sphere

Radius = n
Volume 1.2257333065995E+24
Surface area 5.5387885106353E+16
Circumference 417140471.48172

Square

Length = n
Perimeter 265559872
Area 4407627851041024
Diagonal 93889593.151116

Cube

Length = n
Surface area 26445767106246144
Volume 2.9262227198652E+23
Space diagonal 114990797.68887

Equilateral Triangle

Length = n
Perimeter 199169904
Area 1.9085588447147E+15
Altitude 57495398.844436

Triangular Pyramid

Length = n
Surface area 1.9085588447147E+15
Volume 3.4485865474647E+22
Height 31296531.050372