68742021 (number)

68742021 is an odd 8-digits composite number following 68742020 and preceding 68742022. In scientific notation, it is written as 6.8742021 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 45051152 positive integers (up to 68742021) that are relatively prime to 68742021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8742021 × 10^7
Engineering notation 6.8742021 × 10^6

Prime Factorization of 68742021

Prime Factorization 3 × 59 × 388373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68742021
Product of the distinct prime numbers

The prime factorization of 68742021 is 3 × 59 × 388373. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68742021)

Multiplication

n×y
n×2 137484042
n×3 206226063
n×4 274968084
n×5 343710105

Division

n÷y
n÷2 34371010.5
n÷3 22914007
n÷3 17185505.25
n÷5 13748404.2

Exponentiation

ny
n2 4725465451164441
n3 3.2483804527872E+23
n4 2.2330023730149E+31
n5 1.5350109601884E+39

Nth Root

y√n
2√n 8291.0808101236
3√n 409.64478653102
4√n 91.055372220005
5√n 36.935540545393

Divisors of 68742021

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 -68742020
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 68742021 can be divided by 8 positive divisors. The sum of these divisors (counting 68742021) is 1, the average is 0.125.

Base conversion 68742021

Base System Value
2 Binary 100000110001110101110000101
3 Ternary 11210100110022210
4 Quaternary 10012032232011
5 Quinary 120044221041
6 Senary 10453214033
8 Octal 406165605
10 Decimal 68742021
12 Duodecimal 1b031319
16 Hexadecimal 418eb85
20 Vigesimal 119cf11
36 Base36 14xdol

Cryptographic Hash Functions

md5 98b67689e881727e2544f999740f2fa8
sha1 8e595187cd1222278167a981ca7d03c5a3cb7080
sha256 01572b53fa07dfc95c026e467d1d206c8b829a4778254b697e6bdcc929318345
sha512 37ef9bc3c04714e79028ca99ac773d40e3bcbc1e8e09619a90140c074ad90a24b6b94fbf1b23fb6c725082836d86e276afda384c85a335cdcc28fb35500215c5
ripemd-160 1b26c9afe5590d742cd9f6eb3fe261764c3dc190

68742021 as geometric shapes

Circle

Radius = n
Diameter 137484042
Circumference 431918856.33303
Area 1.4845487546171E+16

Sphere

Radius = n
Volume 1.3606784222055E+24
Surface area 5.9381950184682E+16
Circumference 431918856.33303

Square

Length = n
Perimeter 274968084
Area 4725465451164441
Diagonal 97215898.403136

Cube

Length = n
Surface area 28352792706986646
Volume 3.2483804527872E+23
Space diagonal 119064672.98697

Equilateral Triangle

Length = n
Perimeter 206226063
Area 2.046186562707E+15
Altitude 59532336.493483

Triangular Pyramid

Length = n
Surface area 2.046186562707E+15
Volume 3.8282530767328E+22
Height 32405299.467712