68638 (number)

68638 is an even 5-digits composite number following 68637 and preceding 68639. In scientific notation, it is written as 6.8638 × 10^4. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 34318 positive integers (up to 68638) that are relatively prime to 68638.

Interesting facts

Basic properties

Name

Name sixty-eight thousand six hundred thirty-eight

Notation

Scientific notation 6.8638 × 10^4
Engineering notation 6.8638 × 10^3

Prime Factorization of 68638

Prime Factorization 2 × 34319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68638
Product of the distinct prime numbers

The prime factorization of 68638 is 2 × 34319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68638)

Multiplication

n×y
n×2 137276
n×3 205914
n×4 274552
n×5 343190

Division

n÷y
n÷2 34319
n÷3 22879.333333333
n÷3 17159.5
n÷5 13727.6

Exponentiation

ny
n2 4711175044
n3 323365632670072
n4 2.2195170295208E+19
n5 1.5234320987225E+24

Nth Root

y√n
2√n 261.9885493681
3√n 40.943805625044
4√n 16.186060341173
5√n 9.2749787672133

Divisors of 68638

1, 2, 34319, 68638

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 -68637
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 68638 can be divided by 4 positive divisors. The sum of these divisors (counting 68638) is 1, the average is 0.25.

Base conversion 68638

Base System Value
2 Binary 10000110000011110
3 Ternary 10111011011
4 Quaternary 100300132
5 Quinary 4144023
6 Senary 1245434
8 Octal 206036
10 Decimal 68638
12 Duodecimal 3387a
16 Hexadecimal 10c1e
20 Vigesimal 8bbi
36 Base36 1gym

Cryptographic Hash Functions

md5 002adf8f5f06972a827c24d742250a54
sha1 33ad13d825c4576cbfc4f564a5b0453ee6eecf44
sha256 ff19174f2266feb19933ed645b21cf4253841f2e43ffd6098a114cf75833e961
sha512 6f2e2c05e1d131220401215288b19a2f3dc7eecc674041d3ee439aec76f70b40b829b82a7f10588b4c4d0e42016d1feb3df587b1e0d1821773bb8c717881b12c
ripemd-160 699461184dd8f5d26163edf00087adfedf7f56e3

68638 as geometric shapes

Circle

Radius = n
Diameter 137276
Circumference 431265.27311419
Area 14800592908.006

Sphere

Radius = n
Volume 1.354510794693E+15
Surface area 59202371632.024
Circumference 431265.27311419

Square

Length = n
Perimeter 274552
Area 4711175044
Diagonal 97068.790494165

Cube

Length = n
Surface area 28267050264
Volume 323365632670072
Space diagonal 118884.50332991

Equilateral Triangle

Length = n
Perimeter 205914
Area 2039998634.8896
Altitude 59442.251664956

Triangular Pyramid

Length = n
Surface area 2039998634.8896
Volume 38109005277281
Height 32356.263498055