68605721 (number)

68605721 is an odd 8-digits composite number following 68605720 and preceding 68605722. In scientific notation, it is written as 6.8605721 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 68530944 positive integers (up to 68605721) that are relatively prime to 68605721.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred five thousand seven hundred twenty-one

Notation

Scientific notation 6.8605721 × 10^7
Engineering notation 6.8605721 × 10^6

Prime Factorization of 68605721

Prime Factorization 929 × 73849

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68605721
Product of the distinct prime numbers

The prime factorization of 68605721 is 929 × 73849. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68605721)

Multiplication

n×y
n×2 137211442
n×3 205817163
n×4 274422884
n×5 343028605

Division

n÷y
n÷2 34302860.5
n÷3 22868573.666667
n÷3 17151430.25
n÷5 13721144.2

Exponentiation

ny
n2 4706744953929841
n3 3.2290963112747E+23
n4 2.2153448061344E+31
n5 1.5198532768846E+39

Nth Root

y√n
2√n 8282.8570553886
3√n 409.37386283312
4√n 91.010203029048
5√n 36.920881937381

Divisors of 68605721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68605720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68605721 can be divided by 4 positive divisors. The sum of these divisors (counting 68605721) is 1, the average is 0.25.

Base conversion 68605721

Base System Value
2 Binary 100000101101101011100011001
3 Ternary 11210002112100122
4 Quaternary 10011231130121
5 Quinary 120030340341
6 Senary 10450243025
8 Octal 405553431
10 Decimal 68605721
12 Duodecimal 1ab86475
16 Hexadecimal 416d719
20 Vigesimal 118fe61
36 Base36 14ugih

Cryptographic Hash Functions

md5 5588de7c391e714ae21f464e044a84e8
sha1 5802675c11ba89d2d2a049d0fd1c28c17219a67e
sha256 d9f91748a46b84d12025afac3d4432550facc3236081ea9ee9911fee19f5b6d3
sha512 9d7c08a72f7b297066d09d2b6f068b568ea294c94700a28185693d593d257fd2c93c40be3aff659d8d763afbdd5b74e643c1a36ad15d6058586ca6bb3bbb4a9d
ripemd-160 f5e6c828894a7a9831d1b4f5d440854260d70c5b

68605721 as geometric shapes

Circle

Radius = n
Diameter 137211442
Circumference 431062458.17566
Area 1.4786675369587E+16

Sphere

Radius = n
Volume 1.3526006998979E+24
Surface area 5.9146701478347E+16
Circumference 431062458.17566

Square

Length = n
Perimeter 274422884
Area 4706744953929841
Diagonal 97023141.094585

Cube

Length = n
Surface area 28240469723579046
Volume 3.2290963112747E+23
Space diagonal 118828594.4619

Equilateral Triangle

Length = n
Perimeter 205817163
Area 2.0380803496187E+15
Altitude 59414297.230948

Triangular Pyramid

Length = n
Surface area 2.0380803496187E+15
Volume 3.8055264980113E+22
Height 32341047.031528