68645 (number)

68645 is an odd 5-digits composite number following 68644 and preceding 68646. In scientific notation, it is written as 6.8645 × 10^4. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 54912 positive integers (up to 68645) that are relatively prime to 68645.

Interesting facts

Basic properties

Name

Name sixty-eight thousand six hundred forty-five

Notation

Scientific notation 6.8645 × 10^4
Engineering notation 6.8645 × 10^3

Prime Factorization of 68645

Prime Factorization 5 × 13729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68645
Product of the distinct prime numbers

The prime factorization of 68645 is 5 × 13729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68645)

Multiplication

n×y
n×2 137290
n×3 205935
n×4 274580
n×5 343225

Division

n÷y
n÷2 34322.5
n÷3 22881.666666667
n÷3 17161.25
n÷5 13729

Exponentiation

ny
n2 4712136025
n3 323464577436125
n4 2.2204225918103E+19
n5 1.5242090881482E+24

Nth Root

y√n
2√n 262.00190839
3√n 40.94519745317
4√n 16.186473006495
5√n 9.2751679399835

Divisors of 68645

1, 5, 13729, 68645

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 -68644
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 68645 can be divided by 4 positive divisors. The sum of these divisors (counting 68645) is 1, the average is 0.25.

Base conversion 68645

Base System Value
2 Binary 10000110000100101
3 Ternary 10111011102
4 Quaternary 100300211
5 Quinary 4144040
6 Senary 1245445
8 Octal 206045
10 Decimal 68645
12 Duodecimal 33885
16 Hexadecimal 10c25
20 Vigesimal 8bc5
36 Base36 1gyt

Cryptographic Hash Functions

md5 b28edfff2e95646d396b275666bd458b
sha1 08cb038aaec0e89846aef037238a9663f1b929a9
sha256 4d61bb5e281357114d0b7647d589db3003a7ee0061d84b37dda657cde2be1b1c
sha512 0a8a44f4e061b046d76758b01ff9b67d8d2f2f5881e858a30cb1cd07ea7ead493b7c87586d33eca6eb64da7c26acb52c0ee178d90f81a08b95a05421e4fda378
ripemd-160 9378a84f1570d23641dbaaa7152638da70145c75

68645 as geometric shapes

Circle

Radius = n
Diameter 137290
Circumference 431309.25541134
Area 14803611918.856

Sphere

Radius = n
Volume 1.3549252535598E+15
Surface area 59214447675.423
Circumference 431309.25541134

Square

Length = n
Perimeter 274580
Area 4712136025
Diagonal 97078.689989101

Cube

Length = n
Surface area 28272816150
Volume 323464577436125
Space diagonal 118896.62768557

Equilateral Triangle

Length = n
Perimeter 205935
Area 2040414751.8689
Altitude 59448.313842783

Triangular Pyramid

Length = n
Surface area 2040414751.8689
Volume 38120666029788
Height 32359.5633297