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.
72642 has 8 divisors, whose sum is 145296
The reverse of 72642 is 24627
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 21
Digital Root 3
Name
seventy-two thousand six hundred forty-two
Scientific notation
7.2642 × 10^4
Engineering notation
7.2642 × 10^3
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.
3 , 10 , 80 , 35 , 388 , 228 , 9268 , 3743 , 854 , 75050 , 814168 , 347627 , 7860861 , 5965293 , 85799044 , 8097409 , 291551700 , 921539549 , 6841432068 , 516114890
n×2
145284
n×3
217926
n×4
290568
n×5
363210
n÷2
36321
n÷3
24214
n÷3
18160.5
n÷5
14528.4
n2
5276860164
n3
383321676033288
n4
2.784525319041E+19
n5
2.0227348822578E+24
2 √n
269.52179874734
3 √n
41.724960184523
4 √n
16.417119075749
5 √n
9.3807499250419
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
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
md5
921891b9a8f434816795b7fcc10155cd
sha1
2a68249f8ac5440b8d0c36a134f1779dedb129fb
sha256
4ff7ee6c03374a30dcab04f2a1542390dbf0e9889fd259b58eeed9b4b0e4485a
sha512
c9d42e445320b310ab8ab6aa2d2f6696d93cfa269264bdbc55f38abb29965199776fa310cbf4d467e0860677fbfba0025b7a9a12235add03424d7840d7ed51ff
ripemd-160
f53262ac8436b959ed9a5864d8b739caee576289
Diameter
145284
Circumference
456423.14708414
Area
16577745125.243
Volume
1.6056540818505E+15
Surface area
66310980500.972
Circumference
456423.14708414
Perimeter
290568
Area
5276860164
Diagonal
102731.30159791
Surface area
31661160984
Volume
383321676033288
Space diagonal
125819.63476342
Perimeter
217926
Area
2284947477.1211
Altitude
62909.817381709
Surface area
2284947477.1211
Volume
45174892749822
Height
34243.767199302