68742721 (number)

68742721 is an odd 8-digits composite number following 68742720 and preceding 68742722. In scientific notation, it is written as 6.8742721 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 67897200 positive integers (up to 68742721) that are relatively prime to 68742721.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 6.8742721 × 10^7
Engineering notation 6.8742721 × 10^6

Prime Factorization of 68742721

Prime Factorization 101 × 823 × 827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68742721
Product of the distinct prime numbers

The prime factorization of 68742721 is 101 × 823 × 827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68742721)

Multiplication

n×y
n×2 137485442
n×3 206228163
n×4 274970884
n×5 343713605

Division

n÷y
n÷2 34371360.5
n÷3 22914240.333333
n÷3 17185680.25
n÷5 13748544.2

Exponentiation

ny
n2 4725561690483841
n3 3.2484796885722E+23
n4 2.2330933290568E+31
n5 1.5350891168632E+39

Nth Root

y√n
2√n 8291.1230240541
3√n 409.64617699725
4√n 91.055604023333
5√n 36.935615768009

Divisors of 68742721

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 -68742720
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 68742721 can be divided by 8 positive divisors. The sum of these divisors (counting 68742721) is 1, the average is 0.125.

Base conversion 68742721

Base System Value
2 Binary 100000110001110111001000001
3 Ternary 11210100111021201
4 Quaternary 10012032321001
5 Quinary 120044231341
6 Senary 10453221201
8 Octal 406167101
10 Decimal 68742721
12 Duodecimal 1b031801
16 Hexadecimal 418ee41
20 Vigesimal 119cgg1
36 Base36 14xe81

Cryptographic Hash Functions

md5 5c3e9857f0a94f750e8314074d39accd
sha1 fe2f2d466ea52e243538819ea505fc5dcdc0bee8
sha256 df5ad1e528cdfd49afffab83d210ab398859f7610d6e1efe038bc37dc2a9109e
sha512 f496d0f98bc87d8e42b97932aaa13b56198764e2c853ebc817f9e5929e5028e34f927d0c1faf51c8ae6063dad27b86bd83d09215bbf697828e0d4842e1b36761
ripemd-160 8ec418e55930c1b84db52318dd83e2e673c31e03

68742721 as geometric shapes

Circle

Radius = n
Diameter 137485442
Circumference 431923254.56275
Area 1.4845789890909E+16

Sphere

Radius = n
Volume 1.3607199899939E+24
Surface area 5.9383159563638E+16
Circumference 431923254.56275

Square

Length = n
Perimeter 274970884
Area 4725561690483841
Diagonal 97216888.35263

Cube

Length = n
Surface area 28353370142903046
Volume 3.2484796885722E+23
Space diagonal 119065885.42253

Equilateral Triangle

Length = n
Perimeter 206228163
Area 2.0462282355548E+15
Altitude 59532942.711266

Triangular Pyramid

Length = n
Surface area 2.0462282355548E+15
Volume 3.8283700272269E+22
Height 32405629.450877