68616639 (number)

68616639 is an odd 8-digits composite number following 68616638 and preceding 68616640. In scientific notation, it is written as 6.8616639 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 34618752 positive integers (up to 68616639) that are relatively prime to 68616639.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred sixteen thousand six hundred thirty-nine

Notation

Scientific notation 6.8616639 × 10^7
Engineering notation 6.8616639 × 10^6

Prime Factorization of 68616639

Prime Factorization 261 × 189 × 13 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68616639
Product of the distinct prime numbers

The prime factorization of 68616639 is 261 × 189 × 13 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 52, 79, 115, 435, 4356, 7045, 33177, 2350, 897110, 803658, 9018661, 5994705, 56997097, 44501083, 785863, 285454309, 5363960482, 9449287206

Basic calculations (n = 68616639)

Multiplication

n×y
n×2 137233278
n×3 205849917
n×4 274466556
n×5 343083195

Division

n÷y
n÷2 34308319.5
n÷3 22872213
n÷3 17154159.75
n÷5 13723327.8

Exponentiation

ny
n2 4708243147656321
n3 3.2306382038696E+23
n4 2.2167553537453E+31
n5 1.5210630185926E+39

Nth Root

y√n
2√n 8283.51610127
3√n 409.39557777027
4√n 91.013823682285
5√n 36.922056989623

Divisors of 68616639

1, 13, 107, 189, 261, 1391, 2457, 3393, 20223, 27927, 49329, 262899, 363051, 641277, 5278203, 68616639

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68616638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68616639 can be divided by 16 positive divisors. The sum of these divisors (counting 68616639) is 1, the average is 0.0625.

Base conversion 68616639

Base System Value
2 Binary 100000101110000000110111111
3 Ternary 11210010002100000
4 Quaternary 10011300012333
5 Quinary 120031213024
6 Senary 10450405343
8 Octal 405600677
10 Decimal 68616639
12 Duodecimal 1ab90853
16 Hexadecimal 41701bf
20 Vigesimal 118h1bj
36 Base36 14uoxr

Cryptographic Hash Functions

md5 8670f3261903f1ed31539c30d515e32a
sha1 e772ed553efe7f6ba5f979b0d9f5df98e940abf5
sha256 53e388b8d90a11edd4bf88400a8a4ef2d6844166d96a131e6d9987707f9a0ed6
sha512 bfb42ffa453df1644d23fa916ed5a5485b190df897b70629df6a504dc236645fa5ca18e81994d67572409516ad58f9da5261603bdce38d520976cb4abbc5f4ea
ripemd-160 dca64c2a3b67c8e87dc31dc5f9c0fca379d221d3

68616639 as geometric shapes

Circle

Radius = n
Diameter 137233278
Circumference 431131057.99285
Area 1.4791382083992E+16

Sphere

Radius = n
Volume 1.3532465663578E+24
Surface area 5.9165528335966E+16
Circumference 431131057.99285

Square

Length = n
Perimeter 274466556
Area 4708243147656321
Diagonal 97038581.478259

Cube

Length = n
Surface area 28249458885937926
Volume 3.2306382038696E+23
Space diagonal 118847504.99261

Equilateral Triangle

Length = n
Perimeter 205849917
Area 2.0387290865322E+15
Altitude 59423752.496306

Triangular Pyramid

Length = n
Surface area 2.0387290865322E+15
Volume 3.8073436358608E+22
Height 32346193.826086