68691821 (number)

68691821 is an odd 8-digits composite number following 68691820 and preceding 68691822. In scientific notation, it is written as 6.8691821 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 59158440 positive integers (up to 68691821) that are relatively prime to 68691821.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred ninety-one thousand eight hundred twenty-one

Notation

Scientific notation 6.8691821 × 10^7
Engineering notation 6.8691821 × 10^6

Prime Factorization of 68691821

Prime Factorization 209 × 11 × 29879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68691821
Product of the distinct prime numbers

The prime factorization of 68691821 is 209 × 11 × 29879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68691821)

Multiplication

n×y
n×2 137383642
n×3 206075463
n×4 274767284
n×5 343459105

Division

n÷y
n÷2 34345910.5
n÷3 22897273.666667
n÷3 17172955.25
n÷5 13738364.2

Exponentiation

ny
n2 4718566272296041
n3 3.241269097532E+23
n4 2.226486766605E+31
n5 1.529414304305E+39

Nth Root

y√n
2√n 8288.0529076497
3√n 409.54504561665
4√n 91.038743992048
5√n 36.930144410803

Divisors of 68691821

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68691820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68691821 can be divided by 8 positive divisors. The sum of these divisors (counting 68691821) is 1, the average is 0.125.

Base conversion 68691821

Base System Value
2 Binary 100000110000010011101101101
3 Ternary 11210020220110112
4 Quaternary 10012002131231
5 Quinary 120041114241
6 Senary 10452145405
8 Octal 406023555
10 Decimal 68691821
12 Duodecimal 1b008265
16 Hexadecimal 418276d
20 Vigesimal 11969b1
36 Base36 14way5

Cryptographic Hash Functions

md5 3994927ba6cde0b3ec42eb04fd61f6e1
sha1 9281d3b4380d97d886ecc64153c72657ac80fed9
sha256 26cca1d0c0304121143979de3bca18268c91ebba8c2e83b55f7f218dceef5f75
sha512 55e924a5ffd53c7cf8a4baa95888cc86be03fbde9317d3106fcd75b21318a9687a2e09e4594b48553b8a0f52103a56eb82130a14f2bd2e9c758385e6d99f33e3
ripemd-160 3bd5507fcd355538556e3b858f9fac3505f68f9e

68691821 as geometric shapes

Circle

Radius = n
Diameter 137383642
Circumference 431603440.43061
Area 1.4823813136522E+16

Sphere

Radius = n
Volume 1.3576996246819E+24
Surface area 5.9295252546087E+16
Circumference 431603440.43061

Square

Length = n
Perimeter 274767284
Area 4718566272296041
Diagonal 97144904.882305

Cube

Length = n
Surface area 28311397633776246
Volume 3.241269097532E+23
Space diagonal 118977724.03643

Equilateral Triangle

Length = n
Perimeter 206075463
Area 2.0431991306244E+15
Altitude 59488862.018213

Triangular Pyramid

Length = n
Surface area 2.0431991306244E+15
Volume 3.8198722641921E+22
Height 32381634.960768