68742731 (number)

68742731 is an odd 8-digits composite number following 68742730 and preceding 68742732. In scientific notation, it is written as 6.8742731 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 66283168 positive integers (up to 68742731) that are relatively prime to 68742731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8742731 × 10^7
Engineering notation 6.8742731 × 10^6

Prime Factorization of 68742731

Prime Factorization 29 × 1187 × 1997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68742731
Product of the distinct prime numbers

The prime factorization of 68742731 is 29 × 1187 × 1997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68742731)

Multiplication

n×y
n×2 137485462
n×3 206228193
n×4 274970924
n×5 343713655

Division

n÷y
n÷2 34371365.5
n÷3 22914243.666667
n÷3 17185682.75
n÷5 13748546.2

Exponentiation

ny
n2 4725563065338361
n3 3.2484811062409E+23
n4 2.233094628449E+31
n5 1.5350902334102E+39

Nth Root

y√n
2√n 8291.1236271087
3√n 409.64619686098
4√n 91.055607334797
5√n 36.935616842613

Divisors of 68742731

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 -68742730
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 68742731 can be divided by 8 positive divisors. The sum of these divisors (counting 68742731) is 1, the average is 0.125.

Base conversion 68742731

Base System Value
2 Binary 100000110001110111001001011
3 Ternary 11210100111022002
4 Quaternary 10012032321023
5 Quinary 120044231411
6 Senary 10453221215
8 Octal 406167113
10 Decimal 68742731
12 Duodecimal 1b03180b
16 Hexadecimal 418ee4b
20 Vigesimal 119cggb
36 Base36 14xe8b

Cryptographic Hash Functions

md5 ac647737299cda2925c42f6468c8380d
sha1 a12e5d3c5704452254a1c7d4ac4732df6775fa72
sha256 690a0a239344cac532993529a8ecfc76dfa52d66c61ba037480dccbc5b20d845
sha512 2cd83ab0a087c8c4d0978b46f95b59aaa93351061094ee94ae83b56d7886c3d3bd0cadf18f844b2adf5aee4dccbc856e3dd8fea420e889e31c54cbebbc43643e
ripemd-160 fd412ab705726168311e7ea288ee6c909c4ee423

68742731 as geometric shapes

Circle

Radius = n
Diameter 137485462
Circumference 431923317.3946
Area 1.4845794210142E+16

Sphere

Radius = n
Volume 1.3607205838256E+24
Surface area 5.9383176840569E+16
Circumference 431923317.3946

Square

Length = n
Perimeter 274970924
Area 4725563065338361
Diagonal 97216902.494765

Cube

Length = n
Surface area 28353378392030166
Volume 3.2484811062409E+23
Space diagonal 119065902.74304

Equilateral Triangle

Length = n
Perimeter 206228193
Area 2.0462288308842E+15
Altitude 59532951.37152

Triangular Pyramid

Length = n
Surface area 2.0462288308842E+15
Volume 3.8283716979655E+22
Height 32405634.164922