72642 (number)

72642 is an even 5-digits composite number following 72641 and preceding 72643. In scientific notation, it is written as 7.2642 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 24212 positive integers (up to 72642) that are relatively prime to 72642.

Interesting facts

Basic properties

Name

Name seventy-two thousand six hundred forty-two

Notation

Scientific notation 7.2642 × 10^4
Engineering notation 7.2642 × 10^3

Prime Factorization of 72642

Prime Factorization 2 × 3 × 12107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72642
Product of the distinct prime numbers

The prime factorization of 72642 is 2 × 3 × 12107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72642)

Multiplication

n×y
n×2 145284
n×3 217926
n×4 290568
n×5 363210

Division

n÷y
n÷2 36321
n÷3 24214
n÷3 18160.5
n÷5 14528.4

Exponentiation

ny
n2 5276860164
n3 383321676033288
n4 2.784525319041E+19
n5 2.0227348822578E+24

Nth Root

y√n
2√n 269.52179874734
3√n 41.724960184523
4√n 16.417119075749
5√n 9.3807499250419

Divisors of 72642

1, 2, 3, 6, 12107, 24214, 36321, 72642

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 -72641
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 72642 can be divided by 8 positive divisors. The sum of these divisors (counting 72642) is 1, the average is 0.125.

Base conversion 72642

Base System Value
2 Binary 10001101111000010
3 Ternary 10200122110
4 Quaternary 101233002
5 Quinary 4311032
6 Senary 1320150
8 Octal 215702
10 Decimal 72642
12 Duodecimal 36056
16 Hexadecimal 11bc2
20 Vigesimal 91c2
36 Base36 1k1u

Cryptographic Hash Functions

md5 921891b9a8f434816795b7fcc10155cd
sha1 2a68249f8ac5440b8d0c36a134f1779dedb129fb
sha256 4ff7ee6c03374a30dcab04f2a1542390dbf0e9889fd259b58eeed9b4b0e4485a
sha512 c9d42e445320b310ab8ab6aa2d2f6696d93cfa269264bdbc55f38abb29965199776fa310cbf4d467e0860677fbfba0025b7a9a12235add03424d7840d7ed51ff
ripemd-160 f53262ac8436b959ed9a5864d8b739caee576289

72642 as geometric shapes

Circle

Radius = n
Diameter 145284
Circumference 456423.14708414
Area 16577745125.243

Sphere

Radius = n
Volume 1.6056540818505E+15
Surface area 66310980500.972
Circumference 456423.14708414

Square

Length = n
Perimeter 290568
Area 5276860164
Diagonal 102731.30159791

Cube

Length = n
Surface area 31661160984
Volume 383321676033288
Space diagonal 125819.63476342

Equilateral Triangle

Length = n
Perimeter 217926
Area 2284947477.1211
Altitude 62909.817381709

Triangular Pyramid

Length = n
Surface area 2284947477.1211
Volume 45174892749822
Height 34243.767199302