67681728 (number)

67681728 is an even 8-digits composite number following 67681727 and preceding 67681729. In scientific notation, it is written as 6.7681728 × 10^7. The sum of its digits is 45. It has a total of 8 prime factors and 28 positive divisors. There are 22560384 positive integers (up to 67681728) that are relatively prime to 67681728.

Interesting facts

Basic properties

Name

Name sixty-seven million six hundred eighty-one thousand seven hundred twenty-eight

Notation

Scientific notation 6.7681728 × 10^7
Engineering notation 6.7681728 × 10^6

Prime Factorization of 67681728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 117503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2115054
Product of the distinct prime numbers

The prime factorization of 67681728 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 117503. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 67681728)

Multiplication

n×y
n×2 135363456
n×3 203045184
n×4 270726912
n×5 338408640

Division

n÷y
n÷2 33840864
n÷3 22560576
n÷3 16920432
n÷5 13536345.6

Exponentiation

ny
n2 4580816305065984
n3 3.1003756317744E+23
n4 2.0983878020758E+31
n5 1.4202251245861E+39

Nth Root

y√n
2√n 8226.8905426048
3√n 407.52771186704
4√n 90.702208035994
5√n 36.820890508555

Divisors of 67681728

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -67681727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 67681728 can be divided by 28 positive divisors. The sum of these divisors (counting 67681728) is 1, the average is 0.035714285714286.

Base conversion 67681728

Base System Value
2 Binary 100000010001011110111000000
3 Ternary 11201100120212200
4 Quaternary 10002023313000
5 Quinary 114311303403
6 Senary 10414353200
8 Octal 402136700
10 Decimal 67681728
12 Duodecimal 1a7bb800
16 Hexadecimal 408bdc0
20 Vigesimal 1130468
36 Base36 14ank0

Cryptographic Hash Functions

md5 b51633b80cfe0f6c721b8a160801b94a
sha1 3ef96209f78f30d3cbd552ab060c42e7bd251991
sha256 646b72cdbdeb1dba03ee987705ae69e494924fece7e160df37cea32cedf9a658
sha512 0be0770be15843f8e84a7fe907f78cb5c0b2557561ed6a21722f2594a8c9ebe4ea02350383fc2fed930290985523c1c58713e2749f2939540968fccf38a2b3b3
ripemd-160 03e922cbb550d9bea56f54f726f13223df9cee01

67681728 as geometric shapes

Circle

Radius = n
Diameter 135363456
Circumference 425256838.93413
Area 1.439105885144E+16

Sphere

Radius = n
Volume 1.2986823077535E+24
Surface area 5.7564235405759E+16
Circumference 425256838.93413

Square

Length = n
Perimeter 270726912
Area 4580816305065984
Diagonal 95716417.662447

Cube

Length = n
Surface area 27484897830395904
Volume 3.1003756317744E+23
Space diagonal 117228191.64006

Equilateral Triangle

Length = n
Perimeter 203045184
Area 1.9835516451286E+15
Altitude 58614095.820029

Triangular Pyramid

Length = n
Surface area 1.9835516451286E+15
Volume 3.653827722422E+22
Height 31905472.554149