68615280 (number)

68615280 is an even 8-digits composite number following 68615279 and preceding 68615281. In scientific notation, it is written as 6.8615280 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 80 positive divisors. There are 18150912 positive integers (up to 68615280) that are relatively prime to 68615280.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred fifteen thousand two hundred eighty

Notation

Scientific notation 6.8615280 × 10^7
Engineering notation 6.8615280 × 10^6

Prime Factorization of 68615280

Prime Factorization 2 × 2 × 2 × 2 × 15 × 3 × 607 × 157

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8576910
Product of the distinct prime numbers

The prime factorization of 68615280 is 2 × 2 × 2 × 2 × 15 × 3 × 607 × 157. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68615280)

Multiplication

n×y
n×2 137230560
n×3 205845840
n×4 274461120
n×5 343076400

Division

n÷y
n÷2 34307640
n÷3 22871760
n÷3 17153820
n÷5 13723056

Exponentiation

ny
n2 4708056649478400
n3 3.2304462525982E+23
n4 2.2165797414698E+31
n5 1.5209123960328E+39

Nth Root

y√n
2√n 8283.4340704807
3√n 409.39287496489
4√n 91.013373031004
5√n 36.921910735088

Divisors of 68615280

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68615279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68615280 can be divided by 80 positive divisors. The sum of these divisors (counting 68615280) is 1, the average is 0.0125.

Base conversion 68615280

Base System Value
2 Binary 100000101101111110001110000
3 Ternary 11210010000110200
4 Quaternary 10011233301300
5 Quinary 120031142110
6 Senary 10450355200
8 Octal 405576160
10 Decimal 68615280
12 Duodecimal 1ab8bb00
16 Hexadecimal 416fc70
20 Vigesimal 118gi40
36 Base36 14unw0

Cryptographic Hash Functions

md5 a9468b22449a51daf3b74a95f9b72639
sha1 bf463870e1351f6b935ed2c160735c5e8f936b60
sha256 89b6cc578b9d59c3aafe242b8276ae76beb09c78eb06afc1cc51c78d408ee361
sha512 7a2ae650e34c671e12f6046a9147e3c2cb92f6cfb10d4e9a03254e963ff0e94349d3aa3b165b00d3452b25830dc8d59e9f4cedbbfbf5278afcd362276fcb794b
ripemd-160 608effcf14b2baf8f3bee10034d5fc4794314f25

68615280 as geometric shapes

Circle

Radius = n
Diameter 137230560
Circumference 431122519.14401
Area 1.4790796182686E+16

Sphere

Radius = n
Volume 1.3531661619972E+24
Surface area 5.9163184730744E+16
Circumference 431122519.14401

Square

Length = n
Perimeter 274461120
Area 4708056649478400
Diagonal 97036659.562027

Cube

Length = n
Surface area 28248339896870400
Volume 3.2304462525982E+23
Space diagonal 118845151.13556

Equilateral Triangle

Length = n
Perimeter 205845840
Area 2.0386483304523E+15
Altitude 59422575.567782

Triangular Pyramid

Length = n
Surface area 2.0386483304523E+15
Volume 3.8071174191181E+22
Height 32345553.187342