68387515 (number)

68387515 is an odd 8-digits composite number following 68387514 and preceding 68387516. In scientific notation, it is written as 6.8387515 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 44129280 positive integers (up to 68387515) that are relatively prime to 68387515.

Interesting facts

Basic properties

Name

Name sixty-eight million three hundred eighty-seven thousand five hundred fifteen

Notation

Scientific notation 6.8387515 × 10^7
Engineering notation 6.8387515 × 10^6

Prime Factorization of 68387515

Prime Factorization 5 × 7 × 17 × 17 × 6761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4022795
Product of the distinct prime numbers

The prime factorization of 68387515 is 5 × 7 × 17 × 17 × 6761. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68387515)

Multiplication

n×y
n×2 136775030
n×3 205162545
n×4 273550060
n×5 341937575

Division

n÷y
n÷2 34193757.5
n÷3 22795838.333333
n÷3 17096878.75
n÷5 13677503

Exponentiation

ny
n2 4676852207875225
n3 3.1983830051885E+23
n4 2.1872946574307E+31
n5 1.4958364619446E+39

Nth Root

y√n
2√n 8269.6744192259
3√n 408.93938640614
4√n 90.937750242822
5√n 36.897366035188

Divisors of 68387515

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 -68387514
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 68387515 can be divided by 24 positive divisors. The sum of these divisors (counting 68387515) is 1, the average is 0.041666666666667.

Base conversion 68387515

Base System Value
2 Binary 100000100111000001010111011
3 Ternary 11202200110000221
4 Quaternary 10010320022323
5 Quinary 120001400030
6 Senary 10441440511
8 Octal 404701273
10 Decimal 68387515
12 Duodecimal 1aaa0137
16 Hexadecimal 41382bb
20 Vigesimal 11788ff
36 Base36 14ps57

Cryptographic Hash Functions

md5 4695bc92665d4a1b4a220169dda1a89f
sha1 898ea38c01bd933f07d39ab6d680b60078b46f94
sha256 27c9209bdbd57e29c82e1ec7d4798f0326da9e6411c28cdbbd704072863b4263
sha512 0c574f9ab2954b292c7378ffb4a1e5a9787d6031309ed3968d81005760d84f55609b1fe45d43e54d8e173bf917f95e766cf9c38f111c275f881c0061fd97b35c
ripemd-160 69e844971cad2974f0de2b2aa1caaabbe9bdd880

68387515 as geometric shapes

Circle

Radius = n
Diameter 136775030
Circumference 429691429.44252
Area 1.4692764538186E+16

Sphere

Radius = n
Volume 1.3397355403289E+24
Surface area 5.8771058152744E+16
Circumference 429691429.44252

Square

Length = n
Perimeter 273550060
Area 4676852207875225
Diagonal 96714551.209993

Cube

Length = n
Surface area 28061113247251350
Volume 3.1983830051885E+23
Space diagonal 118450650.58338

Equilateral Triangle

Length = n
Perimeter 205162545
Area 2.0251364108826E+15
Altitude 59225325.291689

Triangular Pyramid

Length = n
Surface area 2.0251364108826E+15
Volume 3.7693305196677E+22
Height 32238183.736664