68644 (number)

68644 is an even 5-digits composite number following 68643 and preceding 68645. In scientific notation, it is written as 6.8644 × 10^4. The sum of its digits is 28. It has a total of 4 prime factors and 9 positive divisors. There are 34060 positive integers (up to 68644) that are relatively prime to 68644.

Interesting facts

Basic properties

Name

Name sixty-eight thousand six hundred forty-four

Notation

Scientific notation 6.8644 × 10^4
Engineering notation 6.8644 × 10^3

Prime Factorization of 68644

Prime Factorization 2 × 2 × 131 × 131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 262
Product of the distinct prime numbers

The prime factorization of 68644 is 2 × 2 × 131 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 51, 27, 339, 27, 858, 6583, 40171, 48536, 881397, 827453, 9811176, 3788237, 61000064, 96879855, 780616717, 410806041, 1801517537, 6667621762

Basic calculations (n = 68644)

Multiplication

n×y
n×2 137288
n×3 205932
n×4 274576
n×5 343220

Division

n÷y
n÷2 34322
n÷3 22881.333333333
n÷3 17161
n÷5 13728.8

Exponentiation

ny
n2 4711998736
n3 323450441233984
n4 2.2202932088066E+19
n5 1.5240980702532E+24

Nth Root

y√n
2√n 262
3√n 40.944998626374
4√n 16.186414056239
5√n 9.2751409162469

Divisors of 68644

1, 2, 4, 131, 262, 524, 17161, 34322, 68644

9 divisors

τ Total Divisors 9
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.11111111111111
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 9
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68644 can be divided by 9 positive divisors. The sum of these divisors (counting 68644) is 1, the average is 0.11111111111111.

Base conversion 68644

Base System Value
2 Binary 10000110000100100
3 Ternary 10111011101
4 Quaternary 100300210
5 Quinary 4144034
6 Senary 1245444
8 Octal 206044
10 Decimal 68644
12 Duodecimal 33884
16 Hexadecimal 10c24
20 Vigesimal 8bc4
36 Base36 1gys

Cryptographic Hash Functions

md5 d7921bb0ad9baa9c69bc55e6fc3375f3
sha1 43f7b73e8df76bbbaead74657ffdadc113935aa0
sha256 afd042e66b0863cbd42a546306214e69b1e8dd6518cc0ad08994f9fe3a71ced9
sha512 943c49362c1c900945dcd369031e5b829ec5f282270dcce3fa995d8c479a9beae87eda5574097fa16ce840008a11c4eb2856f5f1d2d154f01ccf362a4e3197eb
ripemd-160 1574df5c7bd4877bc6f70f4dc2d6c11c33db0658

68644 as geometric shapes

Circle

Radius = n
Diameter 137288
Circumference 431302.97222604
Area 14803180612.742

Sphere

Radius = n
Volume 1.3548660399747E+15
Surface area 59212722450.968
Circumference 431302.97222604

Square

Length = n
Perimeter 274576
Area 4711998736
Diagonal 97077.275775539

Cube

Length = n
Surface area 28271992416
Volume 323450441233984
Space diagonal 118894.89563476

Equilateral Triangle

Length = n
Perimeter 205932
Area 2040355303.9881
Altitude 59447.447817379

Triangular Pyramid

Length = n
Surface area 2040355303.9881
Volume 38119000062388
Height 32359.09192518